Instruction/ maintenance manual of the product AIMB-221 Advantech
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User Manual AIMB-221 Socket S1g1 AMD 64X2 T urion / Mobile Sempron Processor HyperT ransport S peed 800 MHz Industrial Mini-ITX Motherboard with DDR2/Dual GbE/PCI.
AIMB-221 Us er Manual ii Copyright This document is copyrighted, 20 08, by Advantech Co., Lt d. All right s are reserved. Advantech Co., Ltd. reserves the right to make improvement s to the product s described in this manual at any time without notice.
iii AIMB-221 User Manual Declaration of Conformity This device complies with the requirement s in p art 15 of the FCC rules: Operation is subject to the following two conditio ns: ! This device may no.
AIMB-221 Us er Manual iv Memory Comp atibility AIMB-221 Memory T ested for Comp atibility Brand Size Speed T ype ECC V endor PN Advantech PN Memory Result A-DA T A 256 MB DDR2 533 SODIMM DDR2 N M20SS2.
v AIMB-221 User Manual Product warranty Advantech warrant s to you, the original purchaser , that each of it s products will be free from defects in mate rials and workmanship for two years from the date of pur- chase.
AIMB-221 Us er Manual vi Initial Inspection Before you begin installing you r motherboard, please make sure that the following materials have been shipped: If any of these items are missing or damaged, contact your distribu tor or sales repre- sentative immediately .
vii AIMB-221 User Manual Content s Chapter 1 Hardware Configuration ......................1 1.1 Introduction .............. ............. ................ ............. ................ ............. .......... 2 1.2 Features ......... ............. .
AIMB-221 User Manual viii Table 2.1: ATX power supply L ED status (No support for AT pow- er) .............. ............. ................ ............. ................ ..... 23 2.5 ATX/AT Mode Selector (JPSON1) .............. ............. ........
ix AIMB-2 21 User Manual 3.4.17 APIC Mode......... ............. ............. ................ ............. ................ .. 57 3.5 Advanced Chipset Features ........ ................ ............. ................ ............. .. 58 Figure 3.4 Advanced Chipset Feat ures screen .
AIMB-221 Us er Manual x 3.10.1 Spread Spectrum ............... ............. ................ ................ ............ 67 3.11 Password Setting ........... ................ ................ ............. ................ ............ 68 3.12 Save & Exit Setup .
Chapter 1 1 Hardware Configuration.
AMB-221 User Manual 2 1.1 Introduction The AIMB-221 is the most advanced AMD M690T/M690E series industrial mother- board for industrial applications that require high-p erformance computing.
3 AIMB-221 User Manual Chapter 1 Hardware Configuration 1.3 S pecifications 1.3.1 System ! CPU: AMD S1g1 T urion 64X2 Dual Core and Mobile Sempron processor up to 2.1/2.0 GHz, HT 800 MHz. Advantech also certifies several o ptional high-perfor- mance CPU coolers for high-speed CPUs in 2U chassis or in high-temperature environments.
AMB-221 User Manual 4 1.3.3 Input/Output ! PCI Bus: 1 PCI slots, 32-b it, 33 MHz PCI 2.2 compliant ! Enhanced p arallel port: Configured to L PT1 or disabled .
5 AIMB-221 User Manual Chapter 1 Hardware Configuration 1.5 Board Layout: Jumper and Connector Locations Figure 1.1 Jumper and Connector location s Figure 1.
AMB-221 User Manual 6 1.6 AIMB-221 Block Diagram Figure 1.3 AIMB-221 Block Diagram AMD M690E AMD Socket S1g1 Dual Core Mobile Turion/ Sempron Processor BIOS Super IO Winbond W83627UHG SB 600 TFP 410 3.
7 AIMB-221 User Manual Chapter 1 Hardware Configuration 1.7 Jumpers and Connectors Label Function Page JCMOS1 Clear CMOS jumper 9 JWDT1 W atchdog timer output 9 JPSON1 Power A TX/A T mode selector 10,.
AMB-221 User Manual 8 1.8 Safety Precautions 1.9 Jumper Settings This section provides instructions on how to con figure your motherboa rd by setting the jumpers. It also includes the motherboa rd default settings and your options for each jumper . 1.
9 AIMB-221 User Manual Chapter 1 Hardware Configuration 1.9.2 CMOS clear (JCMOS1) The AIMB-221 motherboard cont ains a jumper that can era se CMOS data an d reset the system BIOS information.
AMB-221 User Manu al 10 Figure 1.4 COM2 RS-232/422/485 jumper setting T a ble 1.3: A TX/A T mode selector (JPSON1) Function Jumper Setting AT M o d e AT X M o d e * *Default setting T a ble 1.4: COM1 RS-2 32 with 5V or 12V selector (JSE TCOM1) Use jumper to se lect the 5V or 12V m ode for COM1.
11 AIMB-221 User Manual Chapter 1 Hardware Configuration 1.10 System Memory The AIMB-221 has two sockets for 200-p in dual inline memory modules (SODIMMs) in two memory channels. All these socket s use 1.8 V unbuf fered double data rate syn chronous DRAMs (DDR SDRAM).
AMB-221 User Manu al 12 1.14 PCI Bus Routing T able T a ble 1.6: PCI Bus Routing T able PCI Slot ID SEL PCI Interrupt PCI1 AD31 INT B, C, D, A Mini PCI1 AD28 INT C, D, A, B T a ble 1.7: PCI1 (Routing: AD31 / PCI_#INTF , #INTG , #INTH, #INTE) pin.A1 NC pin.
13 AIMB-221 User Manual Chapter 1 Hardware Configuration pin.A39 VCC3 pin.B39 PCI_#LOCK pin.A40 NC pin.B40 PCI_#PERR pin.A41 NC pin.B41 VCC3 pin.A42 GND pin.B42 PCI_#SERR pin.A43 PCI_P AR pin.B43 VCC3 pin.A44 PCI_AD15 pin.B44 PCI_#C/BE1 pin.A45 VCC3 pin.
AMB-221 User Manu al 14 pin.41 PCI_AD25 pin.42 PCI_AD28 pin.43 NC pin.44 PCI _AD26 pin.45 PCI_#C/BE3 pin.46 PCI_AD24 pin.47 PCI_AD23 pin.48 PCI_#IDSEL(AD28) pin.49 GND pin .50 GND pin.51 PCI_AD21 pin.52 PCI_AD22 pin.53 PCI_AD19 pin.54 PCI_AD20 pin.55 GND pin .
Chapter 2 2 Connecting Peripherals.
AIMB-221 Us er Manual 16 2.1 Introduction Y ou can access most of the connectors from the top of the boa rd as it is being installed in the chassis. If you have a number of cards inst alled, you may need to par- tially remove a card to make all the connections.
17 AIMB-221 User Manual Chapter 2 Connecting Peripherals Y ou can attach up to one IDE (Integrated Drive Electronics) drive to the AI MB-221's built-in controller . Wire number 1 on the cable is red o r blue and the other wires are gray . Connect one end to connector IDE1 on the motherboard.
AIMB-221 Us er Manual 18 2.3 DVI2 (Optional) Signal PIN PIN Signal VCC 2 1 DVI2_Tx0- DVI2_TxC- 4 3 DVI2_Tx0+ DVI2_TxC+ 6 5 GND GND 8 7 DVI2_Tx1- DVI2_DDCCLK 10 9 DVI2_Tx1+ DVI2_DDCA T 12 1 1 GND PLUG_.
19 AIMB-221 User Manual Chapter 2 Connecting Peripherals The TFP410 is a DVI-compliant digit al transmitte r that is used in digit al host monitor systems to T .M.D.S. encode and serialize RGB pixel data streams. TFP410 supports resolutions from VGA to UXGA and can be controlled in two ways: 1.
AIMB-221 Us er Manual 20 2.4 Front Panel Connectors (JFP1, JFP2, JFP3).
21 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.4.1 A TX Sof t Power Switch (JFP1) If your computer case is equipped with an A TX power supply , you should connect t he power on/of f button on your compute r case to JFP1 PIN1 , 2. This connection en ables you to turn your computer on and of f.
AIMB-221 Us er Manual 22 2.4.4 HDD LED Connector (JFP2) Y ou can connect an LED to co nnector JFP2 to indicate when the HDD is active. 2.4.5 SM Bus Connector (JFP2 PIN6,8) This connector is reserved for Advantec h's SNMP-1000 HTT P/SNMP Remote Sys- tem Manager .
23 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.4.6 Power LED and keyboard lock connector (JFP3 / PWR_LED&KEY LOCK) (JFP3 / PWR_LED&KEY LOCK) is a 5-pin connector for the power on LED and Key Lock function. The Power LED cable should be connected to pin 1-3.
AIMB-221 Us er Manual 24 2.5 A TX/A T Mode Selector (JPSON1) T a ble 2.2: A TX/A T Mode selector (PSON1) Function Jumper Setting AT M o d e AT X M o d e JPSON1 pin.
25 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.6 Serial Port Header (COM 3/4/5/6) Com # Define Pin Pin Define Com # COM3 COM3_#DCD 1 2 COM3_#DSR COM3 COM3_SIN 3 4 COM3_#RTS COM3_SOUT 5 6 C.
AIMB-221 Us er Manual 26 2.7 CPU Fan Connector (CPU Fan1) CPUF AN1 pin.1 GND pin.2 VCC12 pin.3 SPEED.
27 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.8 System Fan (SYSF AN1, SYSF AN2) SYSF AN1 pin.1 GND pin.2 VCC12 pin.3 SPEED SYSF AN2 pin.1 GND pin.
AIMB-221 Us er Manual 28 2.9 Parallel Port (LPT1).
29 AIMB-221 User Manual Chapter 2 Connecting Peripherals The mainboard provides a 26-pin header for connection to an optiona l parallel port bracket. The parallel port is a st andard printer port that supports Enhanced Parallel Port (EPP) and Extended Capabiliti es Parallel Port (ECP) mode.
AIMB-221 Us er Manual 30 2.10 JSETCOM1 JSETCOM1 pin.1 COM1_#RI pin.2 COM1_#RI pin.3 VCC pin.4 pin.5 VCC12 pin.6.
31 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.1 1 JSETCOM2 JSETCOM2 pin.1 COM2_SIN pin.2 UART2 _RXD485 pin.3 pin.4 UART2_RXD422 pin.5 pin.6 UART2_RXD232 pin.7 COM2_#DCD pin.8 COM2_SOUT pin.9 COM2_PIN1 pin.10 COM2_PIN3 pin.1 1 COM2_TXD485N p in.
AIMB-221 Us er Manual 32 RS-422 pin.1 RS-485+ pin.2 RS-485- RS-485 pin.1 RS-422 Tx- pin.2 RS-422 Tx+ pin.3 RS-422 Rx+ pin.4 RS-422 Rx-.
33 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.12 GPIO1 General Purpose Input/Output (GPIO) is used in embedded electronics field. GPIO devices provide a set of IO ports that c an be configured for either input or outp ut, compounded by the resemblance to GP1 a nd GP0.
AIMB-221 Us er Manual 34 2.13 VGA HDMI HDMI1 VGA1 pin.1 HDMI_P2 pin.1 RED pin.2 GND pin.2 GREEN pin.3 HDMI_N2 pin.3 BLUE pin.4 HDMI_P1 pin.4 NC pin.5 GND pin .5 GND pin.6 HDMI_N1 pin. 6 GND pin.7 HDMI_P0 pin .7 GN D pin.8 GND pin .8 GN D pin.9 HDMI_N0 pin.
35 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.14 LAN1_USB12 LAN1_USB12 pin.1 NC pin.2 LAN2_MDIP0 pin.3 LAN2_MDIN0 pin.4 LAN2_MDIP2 pin.5 LAN2_MDIN2 pin.6 LAN2_MDIP2 pin.7 LAN2_MDIN2 pin.8 LAN2_MDIP3 pin.9 LAN2_MDIN3 pin.10 GND pin.1 1 LAN2_ACTLED- pin.
AIMB-221 Us er Manual 36 2.15 LAN2_USB34 LAN2_USB34 pin.1 NC pin.2 LAN1_MDIP0 pin.3 LAN1_M DIN0 pin.4 L AN1_MDIP1 pin.5 LAN1_M DIN1 pin.6 L AN1_MDIP2 pin.7 LAN1_M DIN2 pin.8 L AN1_MDIP3 pin.9 LAN1_ MDIN3 pin.10 GND pin.1 1 LAN1_ACTLED- pin.12 LAN1_ACTLED+ pin.
37 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.16 USB56 USB56 pin.1 VCC pin.2 VCC pin.3 USB_N4 pin.4 USB_N5 pin.5 USB_P4 pin.6 USB_P5 pin.7 GND pin.
AIMB-221 Us er Manual 38 2.17 USB78 USB78 pin.1 VCC pin.2 VCC pin.3 USB_N6 pin.4 USB_N7 pin.5 USB_P6 pin.6 USB_P7 pin.7 G ND pin.8 GND KEY - pin.10 GND.
39 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.18 Audio AUDIO1 pin.A1 GND pin.A2 MIC_IN2 pin.A3 NC pin.A4 NC pin.A5 MIC_IN1 pin.B2 LINEOUT _L pin.
AIMB-221 Us er Manual 40 2.19 FP AUD1 FP AUD1 pin.1 FP_MIC_IN1 pin.2 GND pin.3 MIC_VREF pin.4 VCC pin.5 REAR_LO_ R pin.6 LINEOUT_R pin.7 NC KEY pin.9 REAR_LO_ L pin.
41 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.20 SPKOUT1 SPKOUT1 pin.1 AMP_L pin.2 AMP_L# pin.3 AMP_R# pin.4 AMP_R.
AIMB-221 Us er Manual 42 2.21 Serial A T A Interface (SA T A1, SA T A2, SA T A3, SA T A4).
43 AIMB-221 User Manual Chapter 2 Connecting Peripherals SA T A2 SA T A4 SA T A1 SA T A3 SA T A1 SA T A2 SA T A3 SA T A4 pin.1 GND pin.1 GND pin.1 GND pin.1 GND pin.2 SA T A_TXP0 pin.2 SA T A_TXP1 pin.2 SA T A_TXP2 pin.2 SA T A _TXP3 pin.3 SA T A_TXN0 pin.
AIMB-221 Us er Manual 44 2.22 INV1 INV is connected to an inverter that can pro vide power to an LCD panel. The AIMB-221 can drive an L VDS display , and you can install an L VDS display with the following accessories. INV1 pin.1 VCC12 pin.2 GND pin.3 BL_EN pin.
45 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.23 VGA2 (TV -Out) (Optional) TVOUT1 pin.1 CVBS pin.2 Y pin.3 C pin.4 GND.
AIMB-221 Us er Manual 46 The TV -out feature is an optional feature that is supporte d by AMD M690T . Custom- ers who utilize the TV -out feature must have the Macrovision Licensee membership. Right click the grey TV icon and select the display mode: Signal Signal Description Y Luma / Green Output.
47 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.24 LV D S.
AIMB-221 Us er Manual 48 LV D S 1 pin.1 L VDS_VCC pin.2 L VDS_VCC pin.3 G ND pin.4 GND pin.5 L VDS_VCC pin.6 L VDS_VCC pin.7 L VDS_L0N pin.8 UVDS_U0N pin.9 L VDS_L0P pin.10 UVDS_U0P pin.1 1 GND pin.12 GND pin.13 L VDS_L1N pin.14 UVDS_U1N pin.15 L VDS_L1P pin.
49 AIMB-221 User Manual Chapter 2 Connecting Peripherals 2.25 L VDS POWER JUMPER (JL VDS1) JL VDS1 is the jumper for either 3.3 V or 5 V output when connect to LCD p anel.
AIMB-221 Us er Manual 50.
Chapter 3 3 Award BIOS Setup.
AIMB-221 Us er Manual 52 3.1 Introduction 3.1.1 BIOS Setup program This motherboard supports a pro grammable firmware chip that you can update. Use the BIOS Setup program when you are installing a motherboard , reconfiguring your system, or prompted to "Run Setup".
53 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.1.2 CMOS RAM Auto-backup and Restore The CMOS RAM is powered by an onboard button cell battery . When you finish BIOS setup, the data in CMOS RAM will be au tomatically backed up to flash memory .
AIMB-221 Us er Manual 54 3.3 S t andard CMOS Setup Figure 3.2 S t andard CMOS Features Screen 3.3.1 Date The date format is: <day of the week>, <month> <day of the month> <year>. 3.3.2 Ti m e The time format is <hour> : <minute> : <second >, based on the 24-hour clock.
55 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.3.5 Vid e o This category detects the type of adapter used for the primary system monitor that must match your video display card and monitor . ! EGA / VGA: Enhanced Graphics Adapter / Video Gr aphics Array .
AIMB-221 Us er Manual 56 3.4.1 CPU Features ! Thermal Management This feature controls the activation of the Thermal Monitor's automatic mode. It allows you to determine when t he Pentium 4's Thermal Monitor sho uld be acti- vated in automatic mode af ter the system boots.
57 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.4.10 Boot Up Floppy Seek Selection of the command "Disabled" will sp eed the boot up. Selection of "Enabled" searches for floppy disk drives during boot up. 3.4.1 1 Boot Up NumLock St atus Sets the boot up status Num Lock.
AIMB-221 Us er Manual 58 3.5 Advanced Chip set Features Choose the "Advanced Chipset Features" op tion from the "Initial Se tup Screen" menu to show the following screen.
59 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.5.4 On-Chip Frame Buffer Size The On-Chip Frame Buf fer Size can be set to 1 MB or 8 MB. This memory is shared with the system memory . 3.5.5 DVMT Mode This option shows the active system memory mode.
AIMB-221 Us er Manual 60 3.6.1 IDE HDD Block Mode If your IDE hard drive supports block m ode, select Enabled to automatically detect the optimal number of block read/writes per sector that the drive can support . 3.6.2 IDE DMA T ransfer Access Use this field to enable or disable IDE DMA transfer access.
61 AIMB-221 User Manual Chapter 3 Award BIOS Setup Set the RAID mode as JBOD, and then se lect the HDD. Save and exit. Please note that to set 2 JBODs needs to set u p twice, and so on. Enter the Hard Disk Boot Priority , the RAID HDD will be displayed.
AIMB-221 Us er Manual 62 3.6.5 Legacy mode support This allows a SA T A system to support P A T A mode. The choices are "Disabled" and "Enabled". Figure 3.7 Onboard Device 3.6.6 On board LAN1 ROM The options are "Enabled " and "Disabled".
63 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.7 Power Management Setup Power Management Setup controls the "gr een" power-saving features. The following screen shows the manufacturer's default s. Figure 3.8 Power manageme nt setup screen 3.
AIMB-221 Us er Manual 64 There are three selections for Power Manag ement, and they have fixed mode set- tings. 3.7.6 V ideo Off Method Use this to select the method t o turn of f the video. The choices are "Blank Screen", "V/H SYNC+ Blank" and "DPMS".
65 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.7.15 PowerOn by Alarm The choices are "Enabled" and "Disabled". The fields that fo llow , indicate the date and time that the alarm is set for , if enabled.
AIMB-221 Us er Manual 66 3.8.3 PCI / VGA Palette Snoop This is set to "Disabled" by default. 3.8.4 Maximum Payload Size This allows you to set the maximum TLP pa yload size fo r PCIe devices. The options are [128 bytes]. 3.9 PC Health S t atus Figure 3.
67 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.10 Frequency / V olt age Control Figure 3.1 1 Spread Spectrum F requency/V olt age Control screen 3.10.1 Spread S pectrum This setting allows you to reduce EMI by modulating the signals the CPU ge nerates so that the spikes are reduced to flatte r curves.
AIMB-221 Us er Manual 68 3.1 1 Password Setting Follow these steps t o change the p assword. 1. Choose the "Set Password" option from the "In itial Setup Screen" menu and press <Enter>. The screen displays the following messa ge: 2.
69 AIMB-221 User Manual Chapter 3 Award BIOS Setup 3.12 Save & Exit Setup If you select this and press <Ente r>, the values entered in the setup utilities will be recorded in the CMOS memory of the chip set. The processor will check this every time you turn your system on and compare this to what it finds as it checks the sys- tem.
AIMB-221 Us er Manual 70.
Chapter 4 4 Chipset Software Installation Utility and VGA Setup.
AIMB-221 Us er Manual 72 4.1 Before you begin T o facilitate the installation of the enhanced display drivers and utility sof tware, read the instructions in this chapter carefully . The drivers for the AIMB-221 are located on the softwa re installation CD.
73 AIMB-221 User Manual Chapter 4 Chipset Software Installation Utility and VGA Setup Choose "I accept the terms of the L icense Agreement" and then click "I nstall" Once the program is installe d, click "F inish" to close the installation session.
AIMB-221 Us er Manual 74 Before you begin, it is import ant to note that most display drivers ne ed to have the relevant software application already instal led in the system prior to inst alling the enhanced display drivers.
75 AIMB-221 User Manual Chapter 4 Chipset Software Installation Utility and VGA Setup 1. Insert the driver CD into your system's CD-ROM drive. Move the mo use cursor to "issetup.exe" and double click it. 2. Click "Next" when you see the following message.
AIMB-221 Us er Manual 76 3. Click "Y es" to accept the software license agreement. 4. A TI Display Driver will be installed, click "Express: Recommended" for th e auto- run instillation.
77 AIMB-221 User Manual Chapter 4 Chipset Software Installation Utility and VGA Setup 5. Select "Continue Anyway" to skip the A TI X1250 WHQL warning message.
AIMB-221 Us er Manual 78 6. A TI South Bridge driver will be installed a utomatically . 7. Once SB600 driver being installed, HDMI A udio driver installation will b e started.
79 AIMB-221 User Manual Chapter 4 Chipset Software Installation Utility and VGA Setup 8. Click "Next" to proceed the HD Audio driver inst allation. 9. Choose "I Agree" and click "Next" to accept the software license agreement.
AIMB-221 Us er Manual 80 10. Click "Finish" to complete the HD Audio Driver installatio n. 11 . Restart the system. Note! To use Graphic PCI card, please remove the ATI X1250 VGA driver first, and then install the Graphic card driver, to avo id system resource conflicts.
Chapter 5 5 LAN Configuration.
AIMB-221 Us er Manual 82 5.1 Introduction The AIMB-221 has a single/du al Gigabit Ethernet LAN interface (Realtek R TL81 1 1C) that is connected to PCIe x1 link to e liminating network bottlenecks by of fering a bandwidth of up to 500 MB/s.
83 AIMB-221 User Manual Chapter 5 LAN Configuration 2. Y ou will see a welcome window . Click "Next" to continue the insta llation. 3. Click "Install" to st art the inst allation procedure.
AIMB-221 Us er Manual 84 4. Click "Finish" to complete th e installation. Note! Due to the Windows kernal limitati on, under Win OS [Control Panel] --> [Network Connections], the LAN 1 will be shown "Local Area Connection2" and the LAN 2 will be shown "Local Area Connection".
Chapter 6 6 AC97 Audio Setup.
AIMB-221 Us er Manual 86 6.1 Introduction Realtek ALC655 is a 16-bit, full-d uplex AC'97 Rev . 2.3 compatible six-channel audio CODEC designed for PC multimedia system s, including host/sof t audio and AMR/ CNR-based designs. The ALC655 incorporates propriet ary converter technolog y to meet performance requirements f or PC99/2001 systems.
87 AIMB-221 User Manual Chapter 6 AC97 Audio Setup 2. Click "Next" to start WDM drive r installation. 3. The audio driver will be inst alled automatically .
AIMB-221 Us er Manual 88.
Appendix A A Programming the Watchdog Timer.
AIMB-221 Us er Manual 90 The AIMB-221's watchdo g timer can be used to monitor system sof tware operation and take corrective action if the sof tware fails to function wit hin the programmed period. This section describes the ope ration of the watchdog timer and how to pro- gram it.
91 AIMB-221 User Manual Appendix A Programming the Watchdog Timer Unlock W83627UHG Select register of watchdog timer Enable the function of the watchdog timer Use the function of Lock W83627UHG the wa.
AIMB-221 Us er Manual 92 A.3.1 Example Programs Enable watchdog timer and set 10 seconds as the timeout int erval ;----------------------------------------------------------- Mov dx,2eh ; Unlock W8362.
93 AIMB-221 User Manual Appendix A Programming the Watchdog Timer Dec dx ; Set second as counting unit Mov al,0f5h Out dx,al Inc dx In al,dx And al,not 08h Out dx,al ;---------------------------------.
AIMB-221 Us er Manual 94 ;----------------------------------------------------------- Dec dx ; Set timeout interval as 5 minutes and start cou nting Mov al,0f6h Out dx,al Inc dx Mov al,5 Out dx,al ;--.
95 AIMB-221 User Manual Appendix A Programming the Watchdog Timer Mov al,87h Out dx,al Out dx,al ;----------------------------------------------------------- Mov al,07h ; Select registers of watchdog .
AIMB-221 Us er Manual 96 Mov al,01h Out dx,al ;----------------------------------------------------------- Dec dx ; Generate a time-out signal Mov al,0f7h Out dx,al ;Write 1 to bit 5 of F7 register In.
97 AIMB-221 User Manual Appendix A Programming the Watchdog Timer.
www .advantech.com Please verify specifications be fore quoting. This guide is intended for reference purposes only . All product specifications are subj ect to change without notice.
An important point after buying a device Advantech AIMB-221 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Advantech AIMB-221 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 Advantech AIMB-221 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Advantech AIMB-221 you will learn all the available features of the product, as well as information on its operation. The information that you get Advantech AIMB-221 will certainly help you make a decision on the purchase.
If you already are a holder of Advantech AIMB-221, 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 Advantech AIMB-221.
However, one of the most important roles played by the user manual is to help in solving problems with Advantech AIMB-221. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Advantech AIMB-221 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