Instruction/ maintenance manual of the product PCM-6890B IBM
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PCM-6890B All-in-One FC/Socket 370 Celeron Single Board Computer with LCD, Ethernet, Audio, & 4 COMs.
FCC ST A TEMENT THIS DEVICE COMPLIES WITH P AR T 15 FCC RULES. OPERA TION IS SUBJECT T O THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MA Y NOT CAUSE HARM- FUL INTERFERENCE. (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THA T MA Y CAUSE UNDESIRED OPERA TION.
Copyright Notice This document is copyrighted, 2000. All rights are reserved. The original manufacturer reserves the right to make improvements to the products described in this manual at any time without notice.
A Message to the Customer AAEON Customer Services Each and every AAEON product is built to the most exacting specifications to ensure reliable performance in the harsh and demanding conditions typical of industrial environments.
Product Warranty AAEON warrants to you, the original purchaser , that each of its products will be free from defects in materials and workmanship for two years from the date of purchase.
Packing list Before you begin installing your card, please make sure that the following materials have been shipped: • 1 PCM-6890B All-in-One Single Board Computer • 1 Quick Installation Guide •.
Notice Dear Customer , Thank you for purchasing the PCM-6890B board. This user ’ s manual is designed to help you to get the most out of the PCM- 6890B, please read it thoroughly before you install and use the board.
Contents Chapter 1: General Information.......................1 Introduction ... ................................................................. 2 Features .................................................................................. 3 Specifications .
Parallel port connector (CN14) ......................................... 3 2 100Base-T Ethernet connector (CN15) .......................... 3 3 Serial ports (CN16) ............................................................. 3 4 Floppy drive connector (CN17) .
Driver installation .................................................................... 8 0 Windows 3.1 ......................................................................... 8 8 Driver installation ................................................
Chapter 1 General Information 1 1 General Information This chapter gives background informa- tion on the mainboard. Sections include: • Board specifications • Layout and dimensions CHAPTER.
2 PCM-6890B User Manual Introduction The PCM-6890B is an all-in-one multi-media Celeron Pentium III processor based single board computer (SBC) with a 32-bit PCI audio controller , a PCI Flat Panel controller, a PCI 100Base-Tx Ethernet interface, and one PCI expansion slot.
Chapter 1 General Information 3 Features • Supports Intel Pentium III, Celeron CPUs, and compatible CPUs • C&T69000 LCD controller supports 36-bit TFT Panels • 10/100Base-T Fast Ethernet • Integrated AC-97 2.0 (meets PC98™ Basic Audio spec.
4 PCM-6890B User Manual Specifications Standard SBC Functions • CPU : Pentium III / Celeron supported (W ith system bus frequencies of 66/100MHz) • CPU socket : Intel 370-pin socket • BIOS : A ward 256KB Flash BIOS • Chipset : Intel 440BX • I/O Chipset : ITE IT8661F/W inbond W83977EF .
Chapter 1 General Information 5 • DMA : 7 DMA channels (8237 equivalent) • Interrupt : 15 interrupt levels (8259 equivalent) • Power management : Supports A TX power supply . Supports PC97, LAN wake up, and modem ring-in functions. I/O peripheral devices support power saving and doze/standby/suspend modes.
6 PCM-6890B User Manual SSD Interface One 32-pin DIP socket supports M-systems DiskOnChip 2000 Series up to 288MB Expansion Slots • PC/104 connector : One 16-bit 104-pin connector onboard • PCI slot : One 32-bit PCI slot onboard Mechanical and environmental • Power supply voltage : +5V (4.
Chapter 1 General Information 7 Board layout.
8 PCM-6890B User Manual Board dimensions AAEO N PCM-68 90B R ev B1 .0 Mec hanic al Dra wing UNIT: mm 0.00 0.00 0.00 0.00.
Chapter 2 Installation 9 2 Installation This chapter describes how to set up the main board hardware, including instruc- tions on setting jumpers and connecting peripherals, switches, and indicators. Be sure to read all the safety precautions before you begin the installation proce- dure.
10 PCM-6890B User Manual Jumpers and connectors Connectors on the board link it to external devices such as hard disk drives, a keyboard, or floppy drives. In addition, the board has a number of jumpers that allow you to configure your system to suit your application.
Chapter 2 Installation 1 1 Connectors Label Function C N 1 CPU fan power connector C N 2 PC/104 connector C N 3 USB ports connector C N 4 CD-ROM signal input connector C N 6 IDE drive connector C N 7 .
12 PCM-6890B User Manual Locating jumpers & connectors PCI1 DIM1 CN4 CN11 J5 CN9 CN10 J8 LED2 CN15 CN16 CN12 CN13 CN17 CN14 J7 J10 J6 CN8 CN6 CN7 CN3 J3 J4 CPU1 CN1 CN2 CN5 JP11 J12 J13 J1 J9 SW1 .
Chapter 2 Installation 1 3 1 3 2 Open Closed Closed 2-3 Open Closed Closed 2-3 1 2 3 Setting jumpers Y ou can configure your card to match the needs of your application by setting jumpers.
14 PCM-6890B User Manual CPU installing and upgrading Y ou can upgrade to a more powerful Pentium II/III CPU at any time. Simply remove the old CPU, install the new one, and set the jumpers for the new CPU speed. Warning! Always disconnect the power cord from your chassis when you are working on it.
Chapter 2 Installation 1 5 Installing DRAM (DIMMs) System Memory The left edge of the PCM-6890B contains a socket for 168-pin dual inline memory module (DIMM). The socket uses 3.3 V unbuffered synchronous DRAM (SDRAM). DIMM is available in capacities of 16, 32, 64, 128, or 256 MB.
16 PCM-6890B User Manual Cache memory Since the second level cache has been embedded into the Celeron / Pentium III CPUs, you do not have to take care of either SRAM chips or SRAM modules. The built-in second level cache in the Celeron yields much higher performance than the external cache memories.
Chapter 2 Installation 1 7 1 2 3 4 5 6 System temperature thermal sensor (J2) J2 is a thermal sensor component. This temperature detector works primarily with the BIOS to offer clients the ability to monitor the temperature. BIOS offers an ICON on screen for customers to select followed by the temperature information.
18 PCM-6890B User Manual COM3/COM4 RI pin voltage select (J3, J4) The 9th pin of COM3 and COM4 (9-pin D-sub connector) can be selected as RI, +5V , or +12V by setting J3 & J4.
Chapter 2 Installation 1 9 ATX Soft-Power Switch connector (J6) The A TX Soft-Power switch connector is a 2-pin header . Locate the power switch cable from your system. Plug this connector to the Soft-Power switch connector marked J6. Audio output select (J5) Y ou can select the output mode of onboard audio connector (CN14) by setting J5.
20 PCM-6890B User Manual COM2 RS-232/422/485 select (J10, J7) The PCM-6890B COM2 serial port can be selected as RS-232, RS- 422, or RS-485 by setting J10 & J7.
Chapter 2 Installation 2 1 J8 LCD clock signal select (J8) Y ou can select the LCD control signal by setting J8. The following charts show the available option.
22 PCM-6890B User Manual Power connectors (CN9, CN1) ATX power connector (CN9) The A TX power supply uses a 20-pin connector shown below . Make sure you plug in the right direction.
Chapter 2 Installation 2 3 USB connector (CN3) The PCM-6890B provides two USB (Universal Serial Bus) interfac- es, which give complete plug and play , hot attach/detach for up to 127 external devices. The USB interfaces comply with USB specification Rev .
24 PCM-6890B User Manual IDE hard drive connector (CN6) Y ou can attach one or two Enhanced Integrated Device Electronics hard disk drives to the mainboard's internal controller . The mainboard's IDE controller uses a PCI local-bus interface.
Chapter 2 Installation 2 5 IDE hard drive connector (CN6) IDE hard drive connector (CN6) Pi n Signal Pin Signal 1 IDE RESET 2 G N D 3D A T A 7 4 D A T A 8 5D A T A 6 6 D A T A 9 7D A T A 5 8 D A T A 1.
26 PCM-6890B User Manual Front panel connector (CN7) Next you may want to install external LEDs and switches to monitor and control the mainboard. These features are completely optional.
Chapter 2 Installation 2 7 IrDA connector (CN8) The IrDA connector (CN8) can be configured to support wireless infrared module, with this module and application software such as laplink or W in95 Direct Cable connection, user can transfer files to or from laptops, notebooks, PDA and printers.
28 PCM-6890B User Manual Display connectors (CN10, CN12) The mainboard's PCI SVGA interface can drive conventional CR T displays and is capable of driving a wide range of flat panel displays, including electroluminescent (EL), gas plasma, passive LCD, and active LCD displays.
Chapter 2 Installation 2 9 LCD connector (CN10) CN10 is a 50-pin, dual-in-line header used for flat panel displays. When the mainboard's power is applied, the control signal is low until just after the relevant flat panel signals are present. Configuration of the VGA interface is done completely via the software utility .
30 PCM-6890B User Manual Keyboard and mouse connector (CN11) The mainboard provides a keyboard connector which supports both a keyboard and a PS/2 style mouse.
Chapter 2 Installation 3 1 Audio connector (CN13) The PCM-6890B provides all major audio signals on a 14-pin flat- cable connector , CN13. Attach the Mic In, Line In, and Audio Out to the corresponding pins as shown in the following table.
32 PCM-6890B User Manual Parallel port connector (CN14) Normally , the parallel port is used to connect the board to a printer . The mainboard includes an onboard parallel port, accessed through PC1, a 26-pin flat-cable connector . Y ou need an adapter cable if you use a traditional DB-25 connector .
Chapter 2 Installation 3 3 100Base-T Ethernet connector (CN15) This 100Base-T Ethernet connector is a standard RJ-45 connector . The onboard Realtek Intel 82559GD fast Ethernet controller supports 10Mb/s and 100 Mb/s N-way auto-negotiation operation.
34 PCM-6890B User Manual Serial ports (CN16) The PCM-6890B offers four serial ports, three RS-232 and one RS- 232/422/485. These ports allow you to connect them to serial devices (mouse, printers, etc.
Chapter 2 Installation 3 5 Floppy drive connector (CN17) Y ou can attach up to two floppy drives to the mainboard control- ler . Y ou can use any combination of 5¼" (360 KB and 1.2 MB) and/or 3½" (720 KB, 1.44 MB, and 2.88 MB) drives. A 34-pin daisy-chain drive connector cable is required for a dual- drive system.
36 PCM-6890B User Manual Floppy drive connector (CN17) Floppy drive connector (CN17) Pin Signal Pin Signal 1 GND 2 DENSITY SELECT 3 GND 4 N/C 5 GND 6 DRIVE TYPE 7 G ND 8 INDEX 9 GN D 10 MOTOR 0 1 1 GN.
Chapter 2 Installation 3 7 SW1 (2~3) DOC address select The DiskOnChip 2000 occupies an 8 Kbyte window in the upper memory address range of D400 to D800. Y ou should ensure this does not conflict with any other device's memory address. SW1 controls the memory address of the Flash disk.
38 PCM-6890B User Manual Ethernet LED signal connectors (LED2) The PCM-6890B supports three sets of LED connector for external LED indicators. Ethernet active signal LED (J14)(J15) Flashing Tx or Rx LEDs indicate that the PCM-6890B is transmitting or receiving data.
Chapter 2 Installation 3 9 DiskOnChip socket (U18) The DiskOnChip 2000 family of products provides a single chip solid-state flash disk in a standard 32-pin DIP package. The DiskOnChip 2000 is a solid-state disk with no moving parts, resulting in a significant reduction in power consumption and an increase in reliability .
40 PCM-6890B User Manual DiskOnChip (DOC) 2000 Installation When the DOC is installed correctly , a DOC will work like an HDD or an FDD. T o install the DOC on the mainboard, follow the instructions below: 1 . Plug the DOC into the socket. Make sure pin 1 of the DOC is aligned with pin 1 of the socket.
Chapter 3 Award BIOS Setup 41 3 Award BIOS Setup This chapter describes how to configure the BIOS for the PCM-6890B. CHAPTER.
42 PCM-6890B User Manual Starting setup The A ward BIOS is immediately activated when you first turn on the computer . The BIOS reads system configuration information in CMOS RAM and begins the process of checking out the system and configuring it through the power-on self test (POST).
Chapter 3 Award BIOS Setup 43 Setup keys These keys helps you navigate in Setup: Up arrow Move to previous item Down arrow Move to next item Left arrow Move to the item in the left hand Right arrow Mo.
44 PCM-6890B User Manual Getting help Press F1 to pop up a small help window that describes the appro- priate keys to use and the possible selections for the highlighted item.
Chapter 3 Award BIOS Setup 45 Main setup Menu Standard CMOS Options in the original PC A T-compatible BIOS. BIOS Features Award Software enhanced BIOS options. Chipset Features Options specific to your system chipset. Power Advanced Power Management (APM) Management options.
46 PCM-6890B User Manual Load BIOS BIOS defaults are factory settings for the Defaults most stable, minimal-performance system operations. Load Setup Setup defaults are factory settings for Defaults optimal-performance system operations. Save & Exit Save settings in nonvolatile CMOS Setup RAM and exit Setup.
Chapter 3 Award BIOS Setup 47 Standard CMOS setup When you choose the ST ANDARD CMOS SETUP option from the INITIAL SETUP SCREEN menu , the screen below is displayed.
48 PCM-6890B User Manual This standard setup menu allows users to configure system components such as the date, time, hard disk drive, floppy drive, display , and memory . Online help for each field can be accessed by pressing F1. Date and Time Configuration The BIOS determines the day of the week from the other date information.
Chapter 3 Award BIOS Setup 49 selecting the drive type are available: 1.Match the specifications of your installed IDE hard drive(s) with the preprogrammed values for drive types 1 through 45. 2.Select USER and enter values into each drive parameter field.
50 PCM-6890B User Manual Pannel: This selection item allows user to select LCD BIOS to match the LCD types. - LBA (Logical Block Addressing): During drive accesses, the IDE controller transforms the data address described by sector , head, and cylinder number into a physical block address, significantly improving data transfer rates.
Chapter 3 Award BIOS Setup 51 Halt On During the power-on-self-test (POST), the computer stops if the BIOS detects a hardware error . Y ou can tell the BIOS to ignore certain errors during POST and continue the boot-up process. These are the selections: • No errors: POST does not stop for any errors.
52 PCM-6890B User Manual • Extended Memory Above the 1-MB boundary . Early IBM personal computers could not use memory above 1 MB, but current PCs and their software can use extended memory . • Other Memory Between 640 KB and 1 MB; often called High memory .
Chapter 3 Award BIOS Setup 53 BIOS features setup By choosing the BIOS FEA TURES SETUP option from the INITIAL SETUP SCREEN menu, the screen below is displayed.
54 PCM-6890B User Manual The displayed configuration is based on the manufacturer's SETUP DEF AUL TS settings. Virus Warning When enabled, you receive a warning message if a program (specifically , a virus) attempts to write to the boot sector or the partition table of the hard disk drive.
Chapter 3 Award BIOS Setup 55 Boot Sequence The original IBM PCs loaded the DOS operating system from drive A (floppy disk), so IBM PC-compatible systems are designed to search for an operating system first on drive A, and then on drive C (hard disk).
56 PCM-6890B User Manual Shadow Software that resides in a read-only memory (ROM) chip on a device is called firmware. The A wardBIOS permits shadowing of firmware such as the system BIOS, video BIOS, and similar operat- ing instructions that come with some expansion peripherals, such as, for example, a SCSI adaptor .
Chapter 3 Award BIOS Setup 57 CHIPSET features setup By choosing the CHIPSET FEA TURES SETUP option from the INITIAL SETUP SCREEN menu, the screen below is displayed.
58 PCM-6890B User Manual The displayed configuration is based on the manufacturer's SETUP DEF AUL TS settings. This section allows you to configure the system based on the specific features of the installed chipset. This chipset manages bus speeds and access to system memory resources, such as SDRAM.
Chapter 3 Award BIOS Setup 59 SDRAM Precharge Control When Enabled, all CPU cycles to SDRAM result in an All Banks Precharge Command on the SDRAM interface. DRAM Data Integrity Mode Select Non-ECC or ECC (error-correcting code), according to the type of installed DRAM.
60 PCM-6890B User Manual Memory Hole at 15M-16M Y ou can reserve this area of system memory for ISA adapter ROM. When this area is reserved, it cannot be cached. The user informa- tion of peripherals that need to use this area of system memory usually discusses their memory requirements.
Chapter 3 Award BIOS Setup 61 Power management setup By choosing the POWER MANAGEMENT option from the INITIAL SETUP SCREEN menu, the screen below is displayed.
62 PCM-6890B User Manual The displayed configuration is based on the manufacturer's SETUP DEF AUL TS settings. Power Management This option allows you to select the type (or degree) of power saving for Doze, Standby , and Suspend modes. This table describes each power management mode: Max Saving Maximum power savings.
Chapter 3 Award BIOS Setup 63 PM Control by APM If Advanced Power Management (APM) is installed on your system, selecting Y es gives better power savings. Video Off Method Determines the manner in which the monitor is blanked. V/H SYNC+Blank System turns off vertical and horizontal synchronization ports and writes blanks to the video buffer .
64 PCM-6890B User Manual Standby Mode After the selected period of system inactivity , the CPU clock stops, the hard drive enters an idle state, and the L2 cache enters a power- save mode.
Chapter 3 Award BIOS Setup 65 IRQ8 Break [Event From] Suspend Y ou can select Enabled or Disabled for monitoring of IRQ8 (the Real Time Clock) so it does not awaken the system from Suspend mode. Reload Global Timer Events When Enabled, an event occurring on each device listed below restarts the global timer for Standby mode.
66 PCM-6890B User Manual PNP/PCI configuration setup By choosing the PNP/PCI CONFIGURA TION SETUP option from the initial SETUP SCREEN menu, the screen below is displayed.
Chapter 3 Award BIOS Setup 67 The displayed configuration is based on the manufacturer's SETUP DEF AUL TS settings. PNP OS Installed Select Y es if the system operating environment is Plug-and-Play aware (e.
68 PCM-6890B User Manual Legacy ISA Devices compliant with the original PC A T bus specification, requiring a specific DMA channel PCI/ISA PnP Devices compliant with the Plug and Play standard, whether designed for PCI or ISA bus architecture.
Chapter 3 Award BIOS Setup 69 Load BIOS defaults/Load setup defaults LOAD BIOS DEF AUL TS loads the default system values directly from ROM. The BIOS DEF AUL TS provides the most stable settings, though they do not provide optimal performance. LOAD SETUP DEF AUL TS, on the other hand, provides for maximum system performance.
70 PCM-6890B User Manual Integrated peripherals setup By choosing the INTEGRA TD PERIPHERALS option from the initial SETUP SCREEN menu, the screen below is displayed.
Chapter 3 Award BIOS Setup 71 The displayed configuration is based on the manufacturer's SETUP DEF AULSTS settings. IDE HDD Block Mode Select Enabled only if your hard drives support block mode.
72 PCM-6890B User Manual Onboard FDC Controller Select Enabled if your system has a floppy disk controller (FDC) installed on the system board and you wish to use it. If you install an add-in FDC or the system has no floppy drive, select Disabled in this field.
Chapter 3 Award BIOS Setup 73 Supervisor/User password setting Y ou can set either SUPER VISOR or USER P ASSWORD, or both of them. The difference between the two is that the supervisor password allows.
74 PCM-6890B User Manual When you select this function, a message appears at the center of the screen: ENTER P ASSWORD: T ype the password, up to eight characters, and press Enter . T yping a password clears any previously entered password from CMOS memory .
Chapter 3 Award BIOS Setup 75 IDE HDD auto detection The IDE HDD AUTO DETECTION utility can automatically detect the IDE hard disk installed in your system.
76 PCM-6890B User Manual Save & exit setup If you select this option and press <ENTER>, the values entered in the setup utility will be recorded in the chipset's CMOS memory . The microprocessor will check this every time you turn your system on and compare this to what it finds as it checks the system.
Chapter 4 Driver Installation 77 4 Flat Panel/CRT Controller Display Drivers and Utilities This chapter provides information about: • Driver types and installation CHAPTER.
78 PCM-6890B User Manual Software drivers This chapter describes the operation and installation of the display drivers supplied on the Supporting CD-ROM that are shipped with your product. The onboard VGA adapter is based on the CHIPS VGA Flat Panel/CR T controller and is fully IBM VGA compatible.
Chapter 4 Driver Installation 79 Necessary prerequisites The instructions in this manual assume that you understand elementa- ry concepts of MS-DOS and the IBM Personal Computer .
80 PCM-6890B User Manual Windows® 98 These drivers are designed to work with Microsoft W indows . Y ou just install these drivers through the W indows operating system. Driver installation 1 . Install W indows 98 as you normally would for a VGA display .
Chapter 4 Driver Installation 81 Click the setting buttom, then click the Advanced Properties icon into the Advanced Display properties windows, show as figure2: figure 2.
82 PCM-6890B User Manual click on Change Display T ype . In the Change Display T ype window , click on the Change button under Adapter T ype into the select Device window show as figure 3: This will bring up the Select Device window .
Chapter 4 Driver Installation 83 2 . Place the Supporting CD-ROM in your CD-ROM drive. In the Select Device window , click on Have Disk , Select Browse , and find the W in98 driver "chips98.inf" in the Supporting CD- ROM : cd-rom: CD ROMmodel namedrivervga driver win98chips98.
84 PCM-6890B User Manual The name of the Chips And T ech "69000 PCI " driver will appear highlighted in the Models list boxfhow as figure. Click OK to start the driver installation show as f.
Chapter 4 Driver Installation 85 3 . Once the installation is complete, the Advanced display Properties window will reappear . Show as figure 6: figure 6.
86 PCM-6890B User Manual Click on close to close the window . Then the Display Properties window will reappear . Show as figure 7: figure 7.
Chapter 4 Driver Installation 87 Click on Apply . Restart the system for the new settings to take effect, show as figure 8: figure 8.
88 PCM-6890B User Manual Windows® 3.1 These drivers are designed to work with Microsoft W indows V ersion 3.1. Y ou should install these drivers through Windows. Driver installation 1 . Install Windows as you normally would for a VGA display . Run W indows to make sure that it is working correctly .
Chapter 4 Driver Installation 89 OS/2 These drivers are designed to function with the OS/2 V ersion 4.0, 3.0 and 2.11 operating systems. T o install this driver, do the following steps: 1 . Open an OS/2 full screen or windowed session. 2 . Place the Supporting CD-ROM into your CD-ROM drive.
90 PCM-6890B User Manual 6. When the installation is complete, you will need to shut down and then restart the system for the changes to take effect. Make sure to remove the installation diskette before restarting the system.
Chapter 4 Driver Installation 91 Windows® NT 3.51 These drivers are designed to work with Microsoft W indows . Driver installation 1. Install W indows NT 3.51 as you normally would for a VGA display . Click the Star buttom, go to Settings and click on Control Panel icon.
92 PCM-6890B User Manual Windows® NT 4.0 Driver installation 1. Install W indows NT 4.0 as you normally would for a VGA display . Click the Star buttom, go to Settings and click on Control Panel icon. Then choose the Display and double click on the icon.
Chapter 5 Software Configuration 93 5 Ethernet Software Configuration This chapter describes how to configure the Etherent Card to match your applica- tion requirements.
94 PCM-6890B User Manual Ethernet software configuration The onboard Ethernet interface supports all major network operating systems. I/O addresses and interrupts are easily configured via the A ward BIOS Setup. T o configure the medium type, to view the current configuration, or to run diagnostics, please refer to the following instruction: 1 .
Chapter 6 Software Configuration 95 6 Audio Setup This PCM-6890B is equipped with an audio interface that records and playback CD-quality audio. This chapter provides instructions for installing the software drivers on the included CDROM.
96 PCM-6890B User Manual Introduction The PCM-6890B on board audio interface provides high-quality stereo sound and FM music synthesis (ESFM) by using the ESS Solo-1 audio controller from ESS Labs, Inc. The audio interface can record, com- press, and play back voice, sound, and music with built-in mixer control.
Chapter 6 Software Configuration 97 Installing the Drivers and the Application After turning on the system, W indows 98 begins loading and starts detecting new hardware installed on the system. 1 . When W indows 98 detects the presence of the onboard audio chip, it begins to build the ESS Solo-1 driver database.
98 PCM-6890B User Manual 4 . W indows 98 makes changes to the system settings and begins detecting the following new hardware components: · ESS Gameport Joystick · SB Audio PCI 64V Legacy Device · Sound Blaster AudioPCI 64V 5 . Upon initial installation, the setup process begins setting up the software.
Chapter 6 Software Configuration 99 Setting Up in NT4.0 Installing the Audio Drivers Follow these steps to install the audio drivers: Driver installation 1.
100 PCM-6890B User Manual.
Appendix A Programming the Watchdog Timer 101 A Programming the Watchdog Timer The mainboard is equipped with a watchdog timer that resets the CPU or generates an interrupt if processing comes to a standstill for whatever reason. This feature ensures system reliability in industrial stand-alone and unmanned environments.
102 PCM-6890B User Manual Programming the watchdog timer Watchdog timer The watchdog timer uses a 8-bit counter . The time range is from 32 seconds to 254.5 min with a resolution of 1 min. When timer times out, a system reset will happen. Configuration register The watchdog timer of PCM-6890B is located on the chipset – W inbond W83977.
Appendix A Programming the Watchdog Timer 103 How to set the watchdog timer 1 . Set register 30h of logical device 7 to 1 to activate the timer . 2 . W rite the desired counter value to register F2h of logical deivice 8.
104 PCM-6890B User Manual Example Following is an example of programming 32 sec period for watch- dog timer in assembly language. When timer times out, it will generate signal of system reset.
Appendix A Programming the Watchdog Timer 105 ;; Enter to I/O Chip Program Configuration Register Mode Enterv Config proc push a x push d x m o v al,87h ; ; Specific value to enter Config ;; Mode m o .
106 PCM-6890B User Manual ExitConfig endp ;; Select The I/O Chip Program Configuration Register Logical Device ;; Input : bl = logical device number SelectDevice proc push a x push d x m o v al,07h ;;.
Appendix A Programming the Watchdog Timer 107 W977W rite PROC push d x call EnterConfig ;; Enter Config Mode call SelectDevice ;; Select logical device m o v dx,cs:CONFIG_POR T o u t dx,al ; ; Select .
108 PCM-6890B User Manual.
Appendix B Installing PC/104 Modules 109 B Installing PC/104 Modules This appendix provides instructions for installing PC/104 modules. APPENDIX.
110 PCM-6890B User Manual Installing PC/104 modules The PCM-6890B's PC/104 connectors give you the flexibility to attach PC/104 expansion modules. These modules perform the functions of traditional plug-in expansion cards, but save space and valuable slots.
Appendix B Installing PC/104 Modules 111 PC/104 Module Mounting Diagram PC/104 Mounting Support Female Male PC/104 Module Main board 0.200 0 0 0.200 3.
112 PCM-6890B User Manual.
An important point after buying a device IBM PCM-6890B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought IBM PCM-6890B 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 IBM PCM-6890B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, IBM PCM-6890B you will learn all the available features of the product, as well as information on its operation. The information that you get IBM PCM-6890B will certainly help you make a decision on the purchase.
If you already are a holder of IBM PCM-6890B, 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 IBM PCM-6890B.
However, one of the most important roles played by the user manual is to help in solving problems with IBM PCM-6890B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device IBM PCM-6890B 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
