Instruction/ maintenance manual of the product 8355 MiTAC
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BY: Rain Li Rain Li Repai r Technol ogy Rese arch Department /E DVD Repai r Technol ogy Rese arch Department /E DVD Nov.20 03 SERVICE MANUAL FOR 8355 8355 8355 8355 SERVICE MANUAL FOR SERVICE MANUAL F.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 1 Contents 1. Hardware En gineerin g Specificat ion ………………… …………… ………… …………………… … 1.1 Introduction ………………………………………………………………………………………………………….
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 2 Contents 5.3 VT8235 Sout h Bridge ………………………………………………………………………………………………. 6. System Block Diagram ……………… ………………… …………… …………………… ………….
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 3 Contents 8.13 Audio Failure ………….…………………………………………………………………………………………… 9. Spare Parts List ………………… …………… ………… ………………… …………………… …….
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 4 1.1 I ntro ducti on 1. Hardware Engineering Specification The 8355 motherboa rd would suppo rt the AMD ClawHammer K8 p rocessor with uPGA Pa ckage, 2700+/3000+/3300 +/3600+/39 00+/4200+, F SB 800MHz This system is based on PCI architectu re, which have standard ha rdware peripheral i nterface.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 5 The RADEON MOB ILITY 960 0 provi des the fastest and most advanced 2D, 3D, and multi media graphics performance f or the la test applications in f ull 32-bit color.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 6 1.2 System Hardware Part CPU AMD ClawHammer K8 processor with uPGA Package 2700+/3000+/3300+/3600+/3900+/4200+ FSB 800MHz Core logic VIA K8T800 + VT8235 VGA Control ATI M10P with 64MB External VRAM (Reserve for 128MB VRAM) Sy stem BIOS Insy de 256 KB Flash EPROM (Include Sy stem BIOS and VGA BIOS) ACPI 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 7 1.2.1 CPU_ Claw Hammer PROCESSOR The ClawHammer processor family is designed to support performance desktop and workstation applications . It provides a h igh-perf ormance H yperTransport. link to I/O, as well as a single 64 -bit high-perf ormance DDR memory contr oller.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 8 HyperTransport. Technology to I/O Devices Two 8-bit lin ks each support 1600 mega-transf ers (MT) per second or 1.6 Gb ytes/s in each direction Can be configured as single 16-bit link su pporting 1600 MT/s o r 3.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 9 ACPI 2.0 complian t, including suppo rt for processor perf ormance states Power Supplies VDD (core): 1.50 -V at 52 A mps (max) VDDIO: 2.5-V at 3 .0 Amps (max) f or DDR I/O VLDT: 1.2-V a t 0.5 A mps for HyperTran sport VTT: 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 10 1.2.2 Sy stem frequenc y 1.2.2.1 Syst em frequency synthesizer_ICS9504 02 Programmable Ti ming Control H ub™ AM D-K8™ processor General Description The ICS950403 is a main sy stem clock solution for desktop designs using the AMD K8 CPU.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 11 1 - 48MHz, @3.3V fi xed. 1 - 24/48MHz @ 3.3V 3 - REF @3.3 V, 14.318MHz. Features: Programma ble output f requency. Programma ble output divide r ratios. Programma ble output rise/f all time. Programma ble output skew.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 12 1.2.3 VIA K8T800+VT8235 1.2.3. 1 K8T800 Defines Highly Integr ated Solutions for Perfor mance PC Desktop Designs The K8T800 is a high perfor mance, cost-ef.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 13 8 or 16-bit cont rol / address / data transf er both directions 800 / 600 / 400 / 200 MHz Double Data Rate operation b oth directions Default 8-bit / 200 MHz operation on star tup for high reliability with speedup to dual 16-bit, 8 00 MHz operation (3.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 14 LRU replace ment scheme Independent GART l ookup control for host / AGP / PCI master accesses Windows 95 OSR-2 VXD and integ rated Windows 98 / 2 000 / XP .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 15 1.2.3. 2 VT8235 The VT8235 S outh Br idge is a high integ ration, high perf ormance, power-ef ficient, an d high compatibilit y devic e that supports Intel and non-Intel based processor to V-Link bus br idge f unctionality to make a complete Microsof t PC2001-compliant PC I/LPC s ystem.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 16 f) Notebook-class pow er management f unctionalit y compliant with ACPI and legac y APM requirements. Mu ltiple sleep states (power-on suspend, suspend-to-DRAM, and suspend-to- Disk) are supported w ith hardware au tomatic wake-up.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 17 1.2.4 RADEON MOBILITY 9600 General Descrip tion The RADEON MOBI LITY 9 600 provides the fastest and most advanced 2D, 3D, and multimedia graphics performance f or the lat est applications in full 32-bit colo r.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 18 SMOOTHVISION™ — Flexible A nti-Aliasing an d Anisotropic F iltering The most flexible an d eff icient anti-aliasing implementation ava ilable to date. Eliminates “jaggies” on the edges of objects, shimmeri ng pixels on distant surf aces, and other visual artif acts for smoother-l ooking i mages.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 19 Comprehensive AGP support i ncluding 1.5 Volt (AG P 4X) and 0.8 Volt (AGP8X) mode operation, sideba nd addressing, AGP texturin g (direct memory execution), and suppo rt for AGP reads and writes, including f ast write capability.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 20 1.2.4.1 General and Int erfacing Features 32-bit PCI bus (Rev 2.2), 3.3 V with bus mastering support. Comprehensive AGP support i ncluding 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 21 Independent DDC lin es for DAC and TMDS connections. Also full AppleSense suppo rt on DAC connection. Static and d ynamic Power Management su pport (APM as well as ACPI) with full VE SA DPMS and Ener g y Star compliance.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 22 DDC1 and DDC2ci for plug a nd pla y monitors. Hydravision for dual monitor suppo rt. Hardware I2C. Integrated hardware diagnostic tests perfor med automaticall y upon initial ization. High qualit y components through at-speed te sting, built-in Scan, I ddq, CRC, chip diagnostics, and XOR tree.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 23 1.2.5 AC’97 AUDIO SYSTEM: C-MEDIA ELECTRONICS INC., CMI9738-S The CMI9738-S is an 1 8-bit, full duplex AC'97 2.2 co mpatible stereo audio CODEC designe d for PC multi media systems,including host/sof t audio and AMR/CNR based designs.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 24 +30dB boost preampl ifier f or MIC input Stereo output with 6-bit volu me control Mono output with 5- bit volume cont rol Headphone output wi th 50mW/8.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 25 1.2.6 MDC: PC Tel MODEM DAUGHTER CARD PCT2303W The PCT2303W chipse t is designed to meet th e demand of this emerg ing worldwide AMR/MDC market.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 26 Operating System Compa tibility Windows 98 / NT4.0 /Win 2K /Win XP Com patibil ity ITU-T V.90 56000,54667,53333,52 000,50667,49333, 48000,46667,45333, 4266.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 27 Bell 212A 1200 bps Bell 103 300 bps Modulation 56000bps(V90&K56 Flex) PCM 33600 bps (V.34Ann ex) TCM 28800 bps (V.34) TCM 14400 bps (V.32bis) TCM 12000 bps (V.32bis) TCM 9600 bps (V.32bis) TCM 7200 bps (V.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 28 1200/75bps (V.23) FSK 1200bps(V.22/Bell 212A) DPSK 300bps(V.21/Bell 10 3) FSK Data Compression V.42bis, MNP5 Error Correction V.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 29 2.6.1.1 High group -10+/-2dBm 2.6.1.2 Low group -12+/-2dBm Dialing Type Tone or pulse dialing Telephone Line interf ace RJ-11 Return Loss 300HZ - 3400H Z &.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 30 Transmit Level >-15 dBm Specification and featu res subject to change without n otice! 2.6 MDC: PCTel MODEM DAUGH TER CARD PCT23 03W.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 31 1.2.7 VT6307L PCI 1394a Integrated Host Co ntroller 1.2.7.1 O verview The VT6307L IEEE 1394 OHCI Host Controller provides high pe rfor mance serial connectivity. It implements the Link and Phy layers for IEEE 1394-1 995 High Performance Ser ial Bus a specification relea se 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 32 • Arbitrated shor t reset • Enhanced priorit y arbitration • Connection debou nce • Multispeed packet concatenation • Ack accelerated a rbitratio.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 33 Automatic configurat ion to single-po rt, two-port, and three-port ap plications; unused ports power down automaticall y Dedicated power suppl y pins separate from l ink core 2KV ESD protectio n 1.2.8 EMBEDDED CONTROLLER-H8 I.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 34 • Instruction length : 2 or 4 b ytes • Register-register arithmetic and logic op erations • MOV instruction for data transf er between registers and .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 35 One I 2 C bus interface Host Interface • 8-bit host inte rface port • Three host interru pt requests (HIRQ1, H IRQ11, HIRQ12) • Regular and f ast A20.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 36 Interrupts – 9 external interrupt lines: NMI, IRQ0, to IRQ7 26 on-chip interr upt sources Wait control – Three selectable wait modes Operating modes .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 37 1.2.8. 2 Features Operating voltage : 2.4V~5.5V 32/34 bidirectional I/O lines One 8-bit progra mmable ti mer counter with overf low interrupts Crystal or R.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 38 1.2.9 System Flash Memory (BIOS) 2 M bit Flash memor y Flashed by 5V onl y User can upgrade the s ystem BIOS in the fut ure just running f lash program.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 39 Four internal device banks for concur rent operation Selectable burst lengt hs: 2, 4, or 8 Auto precharge optio n Auto Refresh and Self Refresh Modes 15.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 40 Dual Speed – 100 / 1 0 Mbps Half and Full Duplex MII Interface to Ethernet Controlle r MII Interface to Conf iguratio n & Status Optional Repeater Int erface Auto Negotiation: 10 / 100, Full / Half Duplex Meet All Applicable IE EE 802.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 41 208-pin LQF P / 209-ball LFBG A package f or CB710 PCI Interface Compliant with PCI Local Bus Specificatio n, Revision 2.2 PCI Bus Power Manageme nt Interface Speci fication, Revision 1.1 PCI Mobile Design Guide, Version 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 42 Secure Digital Interfa ce Compliant with SD Memor y Card Specific ation Version 1.0 Support 4 parallel data lines Has an optional refer ence clock source t.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 43 Stick interface One Traff ic LED pin One power enable pin SmartMedia Interfac e Compliant with S martMedia Standa rd 2000.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 44 Supports SUSP END# Supports PCI PME # f rom D3, D2, D1 and D0 Supports PCI PME # f rom D3Cold Supports D3STA TE# Supports Zoomed V ideo por t.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 45 1.2.13 SuperI/O-PC87393 General Description National Semiconduc tor’s PC87393 of LPC SuperI/O devices is targeted for a wide ran ge of portable applica tions.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 46 PPM for exte rnal FDD signal suppor t MIDI interface co mpatible with MPU-401 UART mode Game port inpu ts for up to two joysticks Protection f eatures, inc.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 47 1.3 O ther Functi ons 1.3.1 Hot Key Function System sleep bu tton f unctio n. System sleep Fn + F12 Toggle LCD panel on o r off.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 48 1.3.2 Powe r ON/OFF/Suspend/Resume Button APM mode At APM mode, Power button is on/of f system power. ACPI mode System automaticall y provides power saving b y monit oring Cover Sw itch. It will save batter y power and prolong th e usage time when user closes the notebook cov er.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 49 1.3.4 LED Indicators System has eight status LE D indicators at f ront side which t o display system activit y . From l eft to right that indicate, AC P OWER, BATTER Y POWER , BATTER Y ST ATUS , WI RELES S LAN , CD -R OM, HA RD D ISK, NU M LOCK, CAPS LOCK a nd SCROLL LOCK.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 50 1.3.6 CMOS Ba ttery CR2032 3V 220mAh lithiu m batter y When AC in or s y stem main bat tery inside, CMOS batter y will consume no power . AC or main batte ry not exists, CMOS batter y lif e at less (220mAh/ 5.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 51 IEEE1394a x 1 1.3.8 Mini PCI (type III B)Battery current limit and learning Implanted H/W current limit and batte ry learning circuit to enhance protection of batter y .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 52 1.4 Peripheral Components ROM Drive - 12.7m m Heig ht - 24X CD R OM Drive - 8X DVD ROM Dri ve - 24X10X8X24 Com bo or above - Super Com bo DVD-R W modu le HDD - 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 53 1.5 Power Management The 8355 system has built in several power saving modes to prolon g the batter y usage for mobile purpose. User can enable and configure d iff erent degrees of power management modes via ROM CMOS setup (booting by pressin g F2 key).
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 54 HDD: spin down Suspend to DRAM The most chipset of the system is ente ring power dow n mode for more power saving .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 55 1.5.2 Other Po wer Management Functions HDD & Video Ac cess System has the ability to monitor video and hard disk activity. User can enable monitoring f unction for vid eo and/or hard disk individuall y.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 56 1.6 Append ix 1: VT 8235 G PIO De fini tio n Signal Name MUX Functio n Mitac Definition Buf fer Type Pow er Plane Default Value Type GPI 0 RESERV E I RTC H.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 57 GPIO8 PCR EQA / VGATE M B_ID0 I/O MAIN Hi- Z TTL GPIO9 P CREQB MB_ID1 I/O MAIN Hi-Z T TL GPIO1 0 KBD_CS0 I/O MAIN Hi-Z TTL GPIO1 1 KBD_CS1 I/O MAIN Hi-Z TT.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 58 1.7 Append ix 2: H8 Pins De finiti on Hitachi H8 3437S to VT8235 pin function definitions for Insyde code the shadowed block is the selected function Name .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 59 Charging 1 PCI reset gate Name Pin H8 Pi n Definit ions Durin g RESE T Aft er RESET/O FF ON STANDBY Function Port B TTL input voltage (input hi gh m i n=2v, input low max=0.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 60 Continued to the previ ous table Port 2 TT L input voltage (input high min=2v, input low max=0.8v) P20/A8 67 KB OUT8 L O L O LH O Ke ep L Key mat rix scan .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 61 Continued to the previ ous table Port 5 T TL input vo ltage (input high min=2v, input lo w max=0.8v) P50/ TXD0 14 LED DA TA T O O O Keep LED indi cator sh .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 62 Continued to the previ ous table Port 9 T TL input vo ltage (input high min=2v, i nput low max=0. 8v) P90/I RQ2/ESC2 25 PORT90 T ↑ I/O I/ O I/ O Kee p P9.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 63 1.8 Ap pendix 3: 8 355 pr oduct spec. CPU - AMD Claw Hammer K8 proces sor w ith uPGA Package - 2700+/3000+/3300+/ 3600+/3900+/4200+ - FS B 800MHz Core Logic - VIA K8T800 + VT8235 L2 Cache - 512KB OD System BIOS - Insy de 256 KB Flash EPROM (In clude Sy stem BIOS an d VGA BIOS) - ACPI 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 64 Continued to the previ ous table Indictor - 3 LEDs for Pow er/Battery s tatus (on display h ous ing ) - 1 LED fo r Radi o wave status P ower LE D (with sw itch b utton) - 5 LEDs for HDD Access, ODD A ccess , Num lock, Cap lock and Scroll Lock .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 65 Continued to the previ ous table Agency - FCC, CE , UL, T UV, CB, BSMI Architecture - Support PC 2001 Specif ication , Desig ned f or Window s XP(driver re.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 66 2. System View and Disassembly 2.1 S yste m Vi ew 2.1.1 Front View 2.1.2 Left-side View Hold Switch Volume Control Audio Output Microphone Input 1394 port .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 67 2.1.3 Right-side View 2.1.4 Rear View USB Port*2 VGA Port S-Video Output Conne ctor Parallel Port Power Connector 1 2 3 4 Kensington Lock Ventilation Openi.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 68 2.1.5 Bottom View CPU Cover Hard Disk Drive Cover Stereo Speaker Touch Pad Power Button Keyboard Device Indicators LCD Screen 1 2 1 2 3 4 5 6 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 69 2.2 Syste m Disassem bly The section discusses at length each major component f or disassembl y /reassembl y and show corresponding illustrations. Use the chart below to determine the disassembly sequence for re moving components f rom the notebook.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 70 Modular Compone nts LCD Assembly Componen ts Base Unit Componen ts NOTEBOOK 2.2.1 Battery Pack 2.2.2 Keyboard 2.2.3 CPU 2.2.4 HDD Disk Drive 2.2.5 CD/DVD-ROM Drive 2.2.6 DDR SDRAM 2.2.7 LCD Assembly 2.2.8 Inverter Board 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 71 1. Replace the batter y pack into the compart ment. The batter y pack should be correctl y connected when you hear a clicking sound. 2. Slide the release lever to the “l ock” ( ) p osition. 2.2.1 Battery Pack Disassembly 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 72 1. Remove the batter y pack. (See section 2.2.1 Disassembly) 2. Remove three screws that f astening the ke yboard cover on the botto m of the notebook. (F igure 2-2) 3. Insert a small rod, such as a straightened p aper clip, into the e ject hole near the USB po rts of the notebook.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 73 4. Open the top cover. Slide out the ke yboard cover. (Figu re 2-4) 5. Remove two screws fa stening the keyboard.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 74 5. Disconnect the cable f rom system board. (F igure 2-6) Reassembly 1. Reconnect the keyboard cable. 2. Replace the keyboar d and secure with two screws. 3. Replace the keyboar d cover and secure with three screws.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 75 2.2.3 CPU Disassembly Figu re 2-7 Remove four screw s 1. Carefull y put the notebook upside down. 2. Remove the batter y pack. (See section 2.2.1 Disassembly) 3. Remove four screws that f asten the heatsink co mpartment covers.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 76 5. Disconnect the fan’s power co rd to detach t he heatsink from the CPU co mpartment. (Fig ure 2-9) 6. To remove the existi ng CPU, lift t he socket arm up to the ve rtical position. (Figu re 2-10) Figu re 2-10 Remove the C PU Figu re 2-9 Disconn ect the fan’s cord Reassembly 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 77 2.2.4 HDD Mod ule Disassembly Figure 2-11 Rem ove HD D compartment cover 1. Carefull y put the notebook upside down. 2. Remove the batter y pack. (See section 2.2.1 Disassembly) 3. Remove one screw fastening the HDD co mpart ment cover.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 78 Figure 2-14 Free the hard disk 5. Unscrew two screws to slide out the hard disk drive fro m the compart ment. (Figure 2-13 ) Reassembly 1. Fit the hard disk dr ive into the h olding and secure with t wo screws.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 79 1. Push the CD/DVD-ROM drive int o the compart ment and secure with three screws. 2. Replace the batter y pack. (Refer to section 2.2.1 reasse mbly) 2.2.5 CD/DVD- ROM Drive Disassembly Disassembly Reassembly 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 80 2.2.6 SO-DIMM Disassembly 1. Carefull y put the notebook upside down. A nd remove the batter y pack and the keyboard. (See sections 2.2. 1and 2.2.2 disassembl y) 2. Pull the retain ing clips outwards ( ) and remove the SO -DIMM ( ).
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 81 2.2.7 LCD Assembly Disassembly Figure 2-18 Free the antenna Figu re 2-17 Rem ove two screws 1. Carefull y put the notebook upside down. A nd remove the batter y pack and the keyboard. (See sections 2.2. 1and 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 82 6. Then remove the tw o hinge covers. (F igure 2-19) 7. Remove two screws of the hinges and disco nnect the two LCD wi res from the s y stem board.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 83 8. Carefull y put the notebook upside down,re move two screws of the hinges,Now you can separate the LCD assembl y from the base unit. ( Figure 2-21 ) 1. Attach the LCD assembl y to the base unit and secure with fou r screws of the hinges.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 84 2.2.8 Inverter B oard Disassembly Figu re 2-22 Unscrew four screws Figu re 2-23 Disconnect one cable 1. Carefull y put the notebook upside down. A nd remove the batter y pack and the keyboard. (See sections 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 85 Reassembly 1. Fit the inverter b oard back into p lace and secure with two screws, and reconnect the wire to the inve rter board. . 2. Fit the LCD top cov er back into the housin g and secure with four screws and four rubber pads 3.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 86 2.2.9 LCD Panel Disassembly Figu re 2-25 Unscrew eight s crews 1. Carefull y put the notebook upside down. 2. Remove the batter y pack. (See section 2.2.1 Disassembly) 3. Remove the LCD Assembl y. (See section 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 87 Reassembly 1. Attach the LCD panel holding to panel and secure with eight screws. 2. Fit the LCD panel in to place and secure with eight screws. 3. Replace the inverter board. ( See section 2.2. 8 Reassembly) 4.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 88 2.2.10 System B oard Disassembly 1. Carefull y put the notebook upside down. 2. Remove the batter y pack. (See section 2.2.1 Disassembly) 3. Remove the keyboar d, CPU, hard disk drive , CD/DVD-ROM drive, DDR-SDRAM and LCD Assembly.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 89 6. Disconnect the touch pad’s cable. T hen lift up the system top cover. (F igure 2-28) Figu re 2-28 Rem ove the top cover 7.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 90 8. Unscrew one screw and disconnect fan’s co rd. (Figu re 2-30) 9. Remove four hex nu ts beside the VGA port .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 91 Reassembly 1. Fit the system board back into housing and secure with o ne screw and f our hex nuts. 2. Reconnect the fan’s cord. 3. Reconnect the modem ca rd’s wire. Fit the modem card and secure with two screws.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 92 2.2.11 Modem Card Disassembly Reassembly 1. Reconnect the cord. Then f it the mode m card and secure with two s crews. 2. Reassemble the notebook. (See the p revious sections Reassembly) 1. Carefull y put the notebook upside down.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 93 2.2.12 Touch Pad Disassembly 1. Carefull y put the notebook upside down. 2. Remove the batter y pack. (See section 2.2.1 Disassembly) 3. Remove the keyboar d, CPU, hard disk drive , CD/DVD-ROM drive, DDR-SDRAM and LCD Assembly.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 94 Reassembly 1. Fit the touch pad pan el and click holder 2. Then fit the touch pad bracket and secure with two screws.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 95 J6 3.1 Main B oar d (Si de A ) – 1 3. Definition & Location of Connecto rs / Switches J2,J3 : LCD Connector J4 : Right In ternal Speaker Connec tor J.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 96 3.1 Main B oar d (Si de A ) – 2 3. Definition & Location of Connecto rs/ Switches ------ C ontinue d to previ ous p age ------ J16 : IEEE1394 Connect.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 97 3.1 Main B oar d (Si de B ) 3. Definition & Location of Connecto rs/ Switches PJ501 : AC Power Jack PJ502 : Bat tery Connector J501 : S -Video Connecto.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 98 4.1 Main B oar d (Si de A ) 4. Definition & Location of Major Components U9 : ICS950403 Clock Generator U12 : VT6103 LAN Cont roll er U16 : VGA Control.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 99 4.1 Main B oar d (Si de B ) 4. Definition & Location of Major Components U503 : CPU Socket U506 : North Bridge VT8385 U509 : PC87393 Super I /O Control.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 100 DDR SDRAM M emory Interface Signa l Name T y pe Descri ption MEMCLK_ H/L[7] O-I OD Differenti al DDR SDRAM clock to th e top of DIMM 0 for unbuffe re d DI MMs. 1 MEMCLK_ H/L[6] O-I OD Differenti al DDR SDRAM clock to th e top of DIMM 0 for unbuffe re d DI MMs.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 101 Miscella neous Signa l Name T y pe Descriptio n RESET_L I-IO S S ys t em R es e t PWROK I -I OS Indicate s that voltag es and cl ocks have re ached spe ci.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 102 “Hyper Trans port” transm it Interface Signa l Name T ype I/O Descri ption TCAD 15/TCAD 15# E20,D21 O T ransmit Dif ferential Contr ol/A ddress/D ata .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 103 “Hyper Trans port” Control HTRST# B11 O Hyper T ranspor t Res et.Co nnect to RE SET # pin of K 8 CPU.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 104 AGP Bus Interfa ce (Continued) Signal Name T ype I/O Description GIRDY (GIRDY# for 4x ) AC10 I O Initiator Re ady.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 105 5.2 K8T8 00M(VT838 5) Nort h Bridge-4 Clock, Reset, Pow er Control and T est Signal Name T ype I/ O Descri ption GCLK A11 I AGP Cloc k . 66 MHz cl ock fo r AG P l ogi c. RESET# A D25 I Rese t. I nput fro m the south Bridg e chip.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 106 V-Link Interface Signal N ame Pin # I/O Signal D escrip tion VAD[15:0 ] K22, J22,G24,H2 2, G22 , G23 ,F2 3, D2 5 , K26,K 24,E24,E26, J25,J26,F 26,F 25 I O Addres s /Data Bus. Bits 0-7 are impl eme nted and bits 8-15 are reserved for future u se.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 107 CPU Interface Signal Name Pin # I/O Signa l Descri ption A20M# T25 OD A20 Mask. Co nnect to A 20 mask input of he CPU to co ntrol addres s bi -20 ge ner ation. L ogical combination o f the A20G ATE input (from int ernal or external keyboard c ontroller) an d Port 9 2 bit -1 (Fast_ A20).
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 108 PCI Bu s Interfa ce Signal N ame P in # I/O Signal Descrip tion AD [31:0] s ee pin list) I O Addre ss /Data Bus. Multipl ex ed addre ss and data. T he addr ess is drive n with F RAME# asse rtion and data is dr ive n or r eceiv ed in fol low ing cycle s.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 109 Universal Serial Bus 2.0 Interface Signa l Name Pin # I/ O Signa l Descri ption USBP0+ A21 I O USB 2.0 Port 0 D ata + USBP0 – B21 I O USB 2.0 Po rt 0 Data – USBP1+ E21 IO USB 2.0 Por t 1 Data + USBP1 – D21 I O USB 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 110 UltraDMA-133 /100 /66 /33 E nhanced I DE In terface Signal N ame P in # I/O Signal Descrip tion PDRDY / PDDMARDY / PDST ROBE Y26 I EID E Mode: Prim ary I/ O Chan nel Re ady. De vice read indicato r Ultr aDMA Mode : Prim ary Device D MA R eady .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 111 General Purpose Inputs Signal N ame Pin # I/O Signal D escript ion GPI0 (VBAT) AE3 I General Pur pose Input 0 .Status on PMI O Rx20[0] GPI1 (VSUS33) AC3 I General Pur pose Input 1 .Status on PMI O Rx20[1] GP I2 / E XT SM I# (VSUS33) AA1 I General Pur pose Input 2 .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 112 Power M anagem ent and Event Detection Signal N am e Pin # I/O Signal Descript ion PW RBTN# A D2 I Power Butt on. Use d by the Po we r Managem ent subsy stem to monitor an exte rnal sys tem o n/of f but on or sw itch.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 113 AC97 Audio /Modem I nterface Signal Name Pin # I /O Signal Descriptio n ACRS T# R3 O AC97 Rese t. ACBT CK T3 I AC97 Bit Clo ck. ACSYNC T1 O AC97 Sync. ACSDO U1 O AC97 Serial Da ta Out . ACSDI N0 (VSUS33) T2 I AC97 Seria l Data In 0.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 114 System Manage m ent Bus (SM B)Interface ( I 2 CBus) Signal Name Pin # I/O Signal De scriptio n SMBCK 1 AB3 I O SMB /I 2 C Channel 1 Clo ck. SMBCK2 /GP I 27/GPO27 AE1 IO S MB /I 2 C Channel 2 Cl ock.Rx 95[2]=0 SMBDT1 AC2 I O SMB /I 2 C Channel 1 Data.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 115 MINI_P CI HDD CD-ROM U20 VT8235 6. System Block Diagram U9 CLOCK GEN ICS950403 LPC IDE LAN AC’97 PCI U506 VT8385 AGP V - LINK HyperTransport U23 SYS BIOS DDR SDRAM Memory Bus 20 0/266/3 33MHz U518 AC97 CODEC AL C202 DDR DIM M USB2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 116 7. Maintena nce Diagnostics 7.1 I ntro ducti on Each time the compute r is turned on, t he system bios runs a series of internal checks on the hardware. This po wer- on self test (post) allow s the computer to detec t problems as earl y as the power-on stage.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 117 7.2 Error Codes Following is a list o f error codes in seque nt display on t he PIO debug b oard. Test 8237A page re gisters 1Fh Initialize monochrome ada.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 118 7.2 Error Codes Following is a list o f error codes in seque nt display on t he PIO debug b oard. Special init of COMM and LPT ports 3Fh Update NUM L OCK status 3Eh Search and init th e mouse 3Dh Initialize the har dware vectors 3Ch Test for RTC tickin g 3Bh Test if 18.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 119 7.3 De bug To ol 7.3.1 Diagnostic Tool for Mini PCI Slot : P/N:411906900001 Description: PWA; PWA-MPDOG/MINI PCI DOGKI LLER CARD Note: Order it f rom MIC/.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 120 7.3.2 Diagnostic Tool for PIO Port : P/N:411904800001 Description: PWA; PWA-378Port Debug BD Note: Order it f rom MIC/TS SC.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 121 8. Trouble Shooting 8.1 No Po wer 8.3 No Display 8.2 Battery Can not Be Charged 8.4 AGP Controll er Failure LCD No Display 8.5 External Monitor No Display 8.6 Memory Test Error 8.7 Keyboard and Touch Pad Test Error 8.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 122 8.1 N o Pow er When the pow er button is pressed, nothing happens, no fa n activity is heard and pow er indicator is not light up . ADINP PD1 D_VM AIN PL 1 PL 2 PL 3 PF1 VCC_CORE P32 P30 P31 P30 PD3 +VMAIN_2951 F503 U508 H8_AVREF1 VDD5 P30 Q32 P26 P26 PU502 PU505 PU507 PU508 +2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 123 PGUP +3VS U529 +3V U8 VSUSNB P5 L 528 +3VS_USB P12 U4 +2.5VS P12 L6 0 +3VS_LAN P19 L7 1 L7 5 +PHYV DD +P HYAV DD P18 P18 P26 PU8 +1.2VLDTA U15 +1.5VAGP P27 P26 PU503 +1.8V_ P P25 +1.8 V JL523 P2 3 L 513 VDD_CORE1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 124 When the p ower button is pressed, n o thing h appens ,p ower indicator does n ot light up. +VMAIN_2951 8 2 7 6 1 VDD5_SW From H8 VDD5_SW# To H8 Q513 DTC144WK D24 RLZ5 .6B C322 10U Q32 SI2301DS H8_AV REF1 VDD5 C314 4.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 125 Whe re Fro m Pow er So urce Problem(First u se AC to pow er it) Check foll owing parts and s ignals : PARTS: SI GNAL : Board-level Troublesh ooting Repla ce Motherboard No power Connect AC adaptor or battery Replace the faulty AC adaptor , or Batter y .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 126 Sy mpto m: When the b attery is installed b ut the b attery status indicate LED display abn o rm al. 8.2 Ba tter y Can no t Be Ch arged PL508 33UH VDD5 ADINP BATT To P28 PL 10 PR33 23.2K PR36 10K PR32 787K PR551 23.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 127 Batt ery c an not Charge Board-level Troublesh ooting Connect AC adaptor. Yes No Yes BATT BAT _ C BAT _ D CHA RGI NG LI_OVP ADIN P L EARNI NG I_ C TR BAT _ T BAT _ V Is the Notebook con nected to power (AC adaptor)? 1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 128 8.3 No D ispl ay ******System Clock Check ****** 26 25 U506 NB VT 8385 37 R88 15 R92 22 U20 SB VT 8235 R73 22 R78 22 CPUCK+ GCLK_NB PCI_SB_C LK USB_CLK PC.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 129 U506 North Bridge VT 8385 U513 MAX809 8.3 No D ispl ay (S ystem Fail ure) ******Reset Circuit Checking(1) ****** SW2 R522 1K C742 1U SB_PWRBTN# U503 AMD-K.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 130 ******Reset Circuit Checking(2) ****** 8.3 No D ispl ay (S ystem Fail ure) +3V +5V R827 10K Q534 DTC144TKA 14 7 3 4 +3V U510B 74AHC14_V PCIRS T# D27 BAW5 6 R282 4.7K HDD_RST# CDROM_RST# P 15 J529 HDD CONNECTOR J530 CDROM CONNECTOR 1 5 +3V 9 8 14 7 U510D 74AHC14_V P 12 X5 32.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 131 8.3 No D ispl ay (S ystem Fail ure) Replace LCD. Board-lev el Trouble shoo ting Yes NO LCD module OK? Make sur e that CPU m odule, D IMM memo r y ar e inst al led Properly . Displa y OK? Yes No Correct it .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 132 8.4 AGP Controller Failure LCD No Displ ay Sy mpto m: There is no disp lay on LCD alth ough power-on- self-test is p assed.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 133 Connect the I/O dev ice & cab le to the M/B one at a tim e to find out which part is caus ing the problem . 1. Confirm LCD panel or m onitor is good and check the cab le are connec ted prope rly . 2. Try ano ther known g ood moni tor or LCD module.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 134 8.5 Ex ternal Monitor No D ispl ay Sy mpto m: The CRT monito r shows no thing or abnormal co lor, but it is OK fo r LCD.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 135 Connect the I/O dev ice & cab le to the M/B one at a tim e to find out which part is caus ing the problem . Rem ove all t he I /O device & cable from mothe rboard exc ept monit or. 1. Confirm m onitor is good and check the cab le a re connec ted proper ly.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 136 8.6 Mem ory Test Error Symptom: T he extend DDR RAM is failur e or system hangs up. MEMAD D _A[ 0 . . 13 ] DDR_CASA# DDR_BA A[ 0 , 1 ] DDR_RASA# DDR_WEA# +2.5VS_DIMM J6 DIMM0 CPU_MD [ 0 : 63 ] CPU_DQM [ 0 .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 137 Replace Mot herbo ard If y our syst em hos t bus c lock running at 800MHZ then m ake su re th at DI MM modu le meet requ ire of PC- 2100/2700/ 3200. Replace th e faulty DDR module. 1.If y our sys tem in stal led with expansion DIMM m odule then ch eck them for p roper installati on.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 138 8.7 Ke yboar d (K/ B) Touch -Pad (T/ P) Tes t Error Sy mpto m: Error message o f k eyboard or t ouch-pad fai lure is sho wn or an y k ey does not work .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 139 Correct it . Try ano ther known g ood Keyboard or Touch-pad. Keyboard or Touch-Pad Test Error Tes t Ok? Replace th e faulty Keyboard o r Touch-Pad Yes No .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 140 8.8 Hard Disk Driver Test Error Sy mpto m: Either an error m essage is shown, or the drive m otor spins n on-stop, while reading d ata from or writing data to hard-d isk.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 141 Board-lev el Trouble shoo ting Hard Dri ver Test Error One of th e fol lowing par ts or sign als on t he mot herboard m ay be d efecti ve, use an os cillosco pe to check t he sign als or r eplace the pa rts one at a t ime a nd t est af ter ea ch rep lacem ent.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 142 RP534 RP537 RP544 RP543 22* 4 RP13 22* 4 1 2 8 7 J530 36 31 34 35 29 24 25 28 22 27 37 U20 South Br idge VT 8235 P 13 +5V C654 10U C659 1U CDROM_LED# 9 J1.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 143 Board-lev el Trouble shoo ting CD-ROM Driver Test Error One of th e fol lowing par ts or sign als on t he mot herboard m ay be d efecti ve, use an os cillosco pe to check t he sign als or r eplace the pa rts one at a t ime a nd t est af ter ea ch rep lacem ent.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 144 8.10 USB Test Error (1) Sympt om: An error occurs when a USB I/O device is inst alled. U20 South Br idge VT 8235 +5VS J522 U3 3 4 1 5 C33 0.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 145 8.10 USB Test Error (2) Sympt om: An error occurs when a USB I/O device is inst alled. U20 South Br idge VT 8235 +5VS J524 U501 3 4 1 5 C504 0.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 146 Correct it Correct it USB Test Error Check i f the US B devic e is in stalled properly . (Including charg e boa rd.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 147 R365 0 8.11 PC -Card Socket Fail ure U20 South Br idge VT 8235 PCI_ AD [0:31] C/BE# [0:3] PCIINTB# PCIINTC# PCICARDBUS_REQ0# PCICARD BUS_GNT0# PCI_CLKRUN#.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 148 Cha nge t he fault y part then end. Correct it 1. Check if the PC CARD device is insta lled p rope rly. 2.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 149 SD_CMD SD_DATA[0,3] SM_LVD SD_CD# SD_WP# SD_CLK SM_WP# SM_WE# SM_ALE SM_RE# SM_CLE SM_SD[0,7] SM_CE# SM_WPD# MS_BS MS_INS# MS_SDIO MS_SCLK SM CARD SD CARD.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 150 Cha nge t he fault y part then end. Correct it 1. Check if the m emory C ARD device is insta lled p rope rly.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 151 8.13 IEEE1394 Test Erro r U20 South Br idge VT 8235 P 12 PCI_AD[0,31] PCI_C/BE[0,3]# PCI_1394CLK 93 From page 6 PCI1394_GNT#3 PCI1394_REQ#3 95 96 +3VS +PHYVDD L75 120Z/100M C385 2.2U 39,49 +PHYAVDD C372 0.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 152 Correct it . 1394 Test Error 1.Check if t he driver i s install ed properl y 2.Check if the device connect with the 1394IEEE properl y Yes No Tes t OK? NO.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 153 C112 1000P 8.14 L AN Tes t Error Symptom: An error occurs w hen LAN device is installed. RP527 22*4 RP19 33*4 LAN_DADAIO LAN_MRXD0 LAN_MRXD1 LAN_MRXD2 LAN.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 154 Correct it . LAN Test Error 1.Check if t he driver i s install ed properl y 2.Check if the connect with the LAN properl y Yes No Tes t OK? Correct it.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 155 C782 0.1U 8.15 Aud io Fa ilure AC97_RST# AC97_SDOUT AC97_SDIN0 AC97_SYNC AC97_BITCLK R741 33K R738 33K CDROM_L CDROM_R CDROM_GND CDROM_LEFT CDROM_RIGHT CD_COMM C786 0.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 156 C370 100U C365 100U R314 22 J17 Head Ph one R748 15K +AMP_5V J5 L Internal Speaker L508 L536 R312 1K R313 1K 3 10 1 2 1 L81 3 5 4 U517 Sy mpto m: No sound from speak er after aud io driver is installe d.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 157 Board-lev el Trouble shoo ting Correct it . 1. Check i f speak er cables ar e connec ted prope rly . 2. Make sure al l the driv ers are ins talled prope rly . Tes t OK? Audio Drive Failure 1.Try ano ther known g ood speak er, CD-ROM.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 158 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 4226754000 21 AC A DPT AS S Y ; 19V ,7.9A ,S P I,150W,S 3614000030 30 AD HE S IV E; AB S + P C P A C K .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 159 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2720211065 01 C AP; 10U , 10V ,20% ,1210, X 7R ,S MT P C 32,PC 42,P C 563 2720111067 01 C AP; 10U , 10V.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 160 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2720755603 01 C AP; 56P , 50V ,5% , 0603,N P O,S MT P C 522 2720300503 01 C A P ;5P,3K V ,5% ,1808,N P O, S MT ,onl y 2720300503 02 C A P ;5P,3K V ,5% ,1808,N P O, S MT ,onl y C 17 2720750603 01 C AP; 6.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 161 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 3318400050 13 C ON ; S T ER EO J A C K, 5P ,R /A ,28M F 60-07 J 18 3310000040 29 C O N; US B ,M A ,R /A.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 162 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 3446723000 25 D UM MY C AR D; P C MC IA ,M A NG US T A 5234086100 80 D V D C OM B O DR IV E; 8X24X 10X24X ,S B W- 2726021075 01 EC ; 100U, 16V ,M, 6.3*5.5, - 55+ 85'C ,S C 365,C 3 70, C 383 3122710063 58 EC ; 100U, 25V ,R A ,M, D 6.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 163 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 4516754001 11 H DD ME KI T ; 8355 3406754000 25 H EA T S IN K AS S Y; C P U, AM D K 8 D T M,M P T 34067.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 164 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2845000860 01 IC ; LM 86,T EM P ER AT U R E MT R ,S O 8 U5 2861003930 04 IC ; LM V 393,D U A L C OM P A.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 165 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2426000003 85 LA B EL ;27*10,L AN ID B A R C O DE 2426000003 78 LA B EL ;27*7M M, H I-T EM P 260'C.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 166 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2226688200 03 P E B U B B LE B A G ; 160X270M M, AN T I-S T A 2225032200 01 P E B U B B LE B A G ; B A .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 167 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2710711690 11 R ES ; 16 9 ,1/ 16 W,1% ,0603,S MT R 531 2710711743 11 R ES ; 17 4K ,1/ 16 W,1% ,0603,S M.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 168 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2710714028 11 R ES ; 40 .2 , 1 / 16W , 1% ,0603,S MT R 794 2710714333 01 R ES ; 43 K ,1/ 16W ,5% ,0603,S MT R 246,R 247,R 249,R 250,R 252,R 25 4 2710714428 12 R ES ; 44 .
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 169 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2716112203 01 R P ; 22*4 ,8P ,1/ 16 W,5% , 0612,S MT R P10 ,R P11,R P 13,R P 2 7, R P 28,R P 2 27161124.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 170 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 2971201010 07 S W;D IP,S P S T ,4P,24V DC ,. 0 25A ,S MT S W 3 2970401050 10 S W ; P US H B UT T O M ,5.
8355 N/B MAINTENANCE 8355 N/B MAINTENANCE 171 Pa r t Num b e r De s cr ip ti o n Loc a tion( S ) 4216754000 04 WIR E AS S Y; LC D ,A U -B 150 P G 01,8355 4216754000 09 WIR E AS S Y; LED B D, T OP,8355.
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5 5 4 4 3 3 2 2 1 1 D D C C B B A A MODEL : 8355 Revision 01 C o nt ex ts Tit le DIMM-SLOT & Ter m ination CLOCK GENERATOR AND LED INDICATOR VT8235 (3/3) VLINK & LAN CARD READER & MINI PCI.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A resistor must no more than 1000mil from processor and 5mils trace and 10mil spacing ClawHammer-HT&DDR(1/2) HDT USE E13-RESERVE MEMADDA15 C12-RESERVE MEMADDA14 width:20/8/5/8/20 E14-RESERVE MEMADDB15 D12-RESERVE MEMADDB14 width:20/5/5/5/20 NPO 須用 R 8 CP U 0.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A ClawHammer-Power plane(2/2) Place thease capacitors in uPGA socket cavity Place these capacitors near socket EM I Place thease decoupling capacitors on solder layer.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A DI MM-SLOT & Ter mination Place between the processor and nearest SO-DIMM, and Net length to the processor should be 500-1000mil Locae close to DIMMs Net lengths tothe SO-DIMM should be 200-500mils DIMM1 DIMM0 Place alternating caps to GND and +2.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A Around NB BOT side The voltage level is:0.625V Decoupling capacitors 100U 用 VSUSNB=2.5V for K8T400M R76=102,R79=100 K8T400M- VT8385 P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 5 32 Friday, September 19, 2003 <Core Design> Title Size Document Number Rev Date: Sheet of V AD[0.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CLOCK GENERATOR(ICS95 0403) 1% 須用 AGP Clock Signal 2. Series resistors less than 1 3. GCLK_NB & SB_VCLK is 4 longer than 66M_AGP AGP Clock Signal 2. Series resistors less than 1 1. 6 : 24 3. PCI_SB_CLK is 3 more than the longest PCI clock 1.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CONNECT BLON WITH 0 R for M10 R777 100 1.02K LVDS CH1 Bus configuration straps 1.5V, AGP4X, ID=16 AGP MODE R779 1.02K AGP MODE CONNECT BLON WITH DTC144WK and pullup +5V for M9 324 49.9R FOR M10 AGP3.0(8X).35V R794 715 ohm is recommanded for R2SET.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CONNECT LVDDR_25 TO 1.8V FOR M9 , TO 2.5V FOR M10 1.8V for M9 , 1.5V for M10 ATI M10-P(2/4) P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 8 32 Friday, September 19, 2003 <Core Design> Title Size Document Number Rev Date: Sheet of GND V DD_CORE GND +3V GND A V DD_1.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CONNECT VREFG TO VOLTAGE DIVIDER FOR M10 , TO VGA_1.2/1.0 FOR M9 MEMVMODE=1.8V MEMVMODE1=GND MEMVMODE1=1.8V FOR 2.5V VDDR1 MEMVMODE=GND FOR 1.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A A TI M 10- P (4 / 4) Y5V Y5V Y5V PCB316675400001/ A SSY411675400001 R01 8355 M /D B/D Custom 10 32 Friday, September 19, 2003 <Core Design> Title Size Documen.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A M o nit o r ID bit 3 S y nc. r e turn LCD C O NNECT OR Proximity to CRT port Proximity to Chipset Blu e v id eo 3 11 4 M o nit o r ID bit 0 13 M o nit o r ID bit 1 T e st (gr o und) 1 N o c o nn e cti o n (m e ch a nic a l k ey) 8 H o riz o nt a l s y nc.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A VT8235 (1/3)- PCI & USB 30MIL 30MIL GPIO8~11 for input GPIO12~15 for output 30MIL 30MIL Y5V Y5V Y5V Y5V P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 12 .
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CLOSE TO CHIP VT8235 (2/3)- IDE & AC97 15MIL 15MIL 1 - Ensable 0 - Disable (Default) 1 - Ensable SDA2 ==> ROMSIP Select SDA1 ==> Extermal loop test mode 0.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A VT8235 (3/3)- VLINK&LAN Y5V Y5V Y5V Y5V Y5V Y5V Y5V P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 14 32 Friday, September 19, 2003 <Core Design> Ti.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A CDROM CONN E C T OR HDD CONN E C T OR new sha pe new sha pe . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 5 4 4 3 3 2 2 1 1 D D C C B B A A MF4:OUTPUT/NC MF6:CLKRUN# O NEXT TIME REMOVE MF1: INTC ENE CP2211:286302211002 MF3:OUTPUT/NC MF0: INTB No support ring wake up MF5:CARD_ACT MF2:OUTPUT/NC GPIO5~11:O.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A On l y suppo r t 3.3V m e mo ry card CARD READER CONNEC TOR When MS card insert pin34 : insertion detect pin30 : power pin32: data pin36: clock pin31: state When SD.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A default low 10 link test default low 00 normal default low default high pin47: 1 card bus mode , 0 disable 01 phy test ALL Capacator must close to power pin pin52: .
5 5 4 4 3 3 2 2 1 1 D D C C B B A A see spec p18 Capacator must close to power pin CLOSE TO PIN (BYPOSC) INTERNAL PULL LOW AC-Link MDC JUMP W I RE CONNECTOR D M C LAN PHY- VT6103 RJ-45/RJ11 close to t.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A 4700P RT9167 NA ALC202 RT9167 C788 R309 2.2U 2.2K C880 R308 180K R731 470K 470P C758 8.2K AUDIO CODEC(CMI9738) CMI9738 0.01U 4.7U R736 NA Use Crystal 6.8K R834 4.7K Enable external 14.318MHZ clock source NA MIC5205BM 2.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A AUDIO AMPLIFIER - TPA0202 DEVICE_DECT# DECT_HP#/OPT REMARK 0 0 1 1 0 1 0 1 HP in OPT in no this condition on device AOUT_R/L Cap x2 - SIZE0805 Y5V Y5V P CB316675400.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A XCNF0 LPC SUPER IO- PC87393 F IR IR Mode Select FIR Mo dule GND _F IR GND _F IR 1 0 INDEX REGIS T ER X MOUNT ED 0 1 1 4 EH 1 0 F UN CTIONALITY R7 24 OPEN NOR MAL M .
5 5 4 4 3 3 2 2 1 1 D D C C B B A A External Pull Up/Down Close to H8-3437F Come From Battery H8 Mode Select Table ensure low status when vdd5 below 1V Close to H8-3437F EMBEDED CONTROLLER- H8/F3437 FAN_SPD0/1# HIGH CHOOSE F AN 1_ SPD LO W CHOOSE FAN0_ SPD ON B OARD FLASH CIRCUIT STR worked at cpu power off and others do not.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A USB CONN E C T OR BACKLITE CONNECTOR TO INVERT ER OPTION FOR W ITHOUT HT82 K68E P CB 316672210001/ASSY 411672210001 R01 835 5 M/ D B/D C 24 32 Friday, September 19,.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A PCI PULL H I GH PULL HIGH AND BIOS GPIO9 GPIO8 SB X -BUS PULL H I GH SB G PI O PULL H I GH GPIO24 GPIO25 GPIO30 GPIO23 GPIO22 GPO6 GPO5 GPIO31 GPI19 GPI2 GPI3 GPI4 .
5 5 4 4 3 3 2 2 1 1 D D C C B B A A AUX switch to MAIN VDD5 POWER PERPHERIAL RTC BATT ERY +1.5V P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 26 32 Friday, September 19, 2003 <Core Design>.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A +2 . 5V S &+1 . 25V S &+1. 8V&+1.2V +1. 2V +1. 8V P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 27 32 Friday, September 19, 2003 <Core Design> Title Size Document Number Rev Date: Sheet of 1.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A +3V S / + 5VS P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 28 32 Friday, September 19, 2003 <Core Design> Title Size Document Number Rev Date: Sheet o.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A FOR M10 +1.2V&+1.0V FOR M10, PR53=3.16K/4.02K FOR M10, PR52=1.78K/4.02K FOR M10 +2.5V(Backup) P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 29 32 Friday, September 19, 2003 <Core Design> Title Size Document Number Rev Date: Sheet of S W _1.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A ADINP_D/D BATTERY CONN ECTOR P C B 316675400001/ ASSY 41167540 0001 R01 8355 M/D B /D Custom 30 32 Friday, S eptember 19, 2003 <Core Design > Title Size Docum.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A 17.5V LI_OVP=17.3V I_CTR=2V,2A 1V,1A CH ARGER BATT_DEAD=11V P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 31 32 Friday, September 19, 2003 <Core Design> Title Size Document Number Rev Date: Sheet of 2IN+ L3 REF 2IN+ L5 L6 1.
5 5 4 4 3 3 2 2 1 1 D D C C B B A A VCC_CORE CLOSE TO CPU P CB316675400001/ASSY411675400001 R01 8355 M/D B/D C 32 32 Friday, September 19, 2003 <Core Design> Title Size Document Number Rev Date:.
Reference Material Reference Material AMD Athlon TM 64 VIA K8T800M VT8385 North Bridge VIA VT8235 South Bridge AMD. INC VIA. INC VIA. INC Frequency Generator ICS950403 ICS. INC ENE CB710 PC Card Interface Controller TI. INC 8355 Engineer Hardware Specification Technology.
SERVICE MANUAL FOR 8 355 SERVICE MANUAL FOR SERVICE MANUAL FOR 835 5 8355 Sponsoring Editor : Jesse Jan Author : Rain Li Assistant Editor : Janne Liu Publisher : MiTAC International Corp. Address : 1, R&D Road 2, Hsinchu Scien ce-Based Industrial, Hsinchu, Taiwan, R .
An important point after buying a device MiTAC 8355 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought MiTAC 8355 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data MiTAC 8355 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, MiTAC 8355 you will learn all the available features of the product, as well as information on its operation. The information that you get MiTAC 8355 will certainly help you make a decision on the purchase.
If you already are a holder of MiTAC 8355, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime MiTAC 8355.
However, one of the most important roles played by the user manual is to help in solving problems with MiTAC 8355. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device MiTAC 8355 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
