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Aaeon PCM-4894 User Manual

All-in-one 486 single board computer with flat panel / crt svga, ethernet, and 4 serial ports
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  • Page 2 This document is copyrighted, 1999, by AAEON Technology Inc. All rights are reserved. AAEON Technology Inc. reserves the right to make improvements to the products described in this manual at any time without notice. No part of this manual may be reproduced, copied, translated, or transmitted in any form or by any means without the prior written permission of AAEON Technology Inc.
  • Page 3 -- Ethernet drivers and utilities -- Latest BIOS (as of this CD-ROM was made) • PC/104 Module mounting support kit The PCM-4894 require several cables for operation. You can make them yourself or purchase an optional cable kit, PCM-10489-1 (Part No : 9969048900).

  • Page 4: Table Of Contents

    Introduction ................2 Specifications ................3 Board layout ................6 Dimensions ................7 Jumpers and connectors ............10 Locating jumpers and connectors ........11 Setting jumpers ..............12 Safety precautions ..............13 Installing DRAM (SIMMs) ..........14 Installing SIMMs ..............14 Removing SIMMs ..............
  • Page 5 DOC address setting (JP2, 1-6) ........30 COM2 RS-232/422/485 select (JP2, 7-10) ..... 30 LCD panel's voltage setting (JP4) ........31 LCD SHF/ASHF clock select (JP5) ......... 31 DiskOnChip socket (U20) ..........32 System test and initialization ..........34 System configuration verification ..........34 Award BIOS setup ..............
  • Page 6 Ethernet software configuration ........62 How to program the WATCHDOG TIMER ....64 Demo program in C ............65 Installing PC/104 modules ..........68 PCM-10489-1 Cable kit for PCM-4894 ......72...

  • Page 7: Specifications

    This chapter provides background information for the PCM-4894. Sections include: • Specifications • Board layout • Dimensions Chapter 1 General Information...
  • Page 8 The DiskOnChip is available in capacities from 2MB to 72MB and fits in a standard 32-pin DIP socket. Another feature of the PCM-4894 is the inclusion of a high speed, local bus IDE controller. This controller supports (through ATA PIO) mode 3 and mode 4 hard disks, enabling data transfer rates in excess of 11 MB/second.
  • Page 9 CPU: AMD 5X86-P75 (486DX5-133) SQFP BIOS: Award 128KB FLASH BIOS Chipset: ALI 1487/1489 Super I/O Chipset: WINBOND83877TF Level Cache: On board 128KB 2 level cache. Could be upgraded to 512KB by factory. RAM memory: 4MB to 128MB. Two 72-pin SIMM sockets on board.
  • Page 10 Resolution: Up to 1024x768@64K colors. Chipset: Realtek RTL8029AS PCI Ethernet controller. Ethernet interface: On board RJ-45 connector. Software drivers optional. Supports boot ROM function. One 32-pin DIP socket supports M-system DiskOnChip 2000 series, memory capacity from 2MB to 72MB. 4 PCM-4894 User Manual...
  • Page 11 4 TTL Digital Input bits & 4 Open Collector Digital Output bits. (Port address : 294H, Bit : 0, 1, 2, 3) PC/104 connector: 104 pin connector for a 16 bit bus expan- sion. One PCI/ISA bus slot. Power supply voltage: +5V (4.75V to 5.25V) Max.
  • Page 12 Winbond Winbond 6 PCM-4894 User Manual...

  • Page 13: Chapter 1 General Information

    5.08 3.56 40.64 97.16 100.97 119.38 174.63 177.17 193.04 198.12 203.20 Chapter 1 General Information...
  • Page 14 8 PCM-4894 User Manual...
  • Page 15 This chapter explains set up procedures for the PCM-4894 hardware, including instructions on setting jumpers and connecting peripherals, switches and indicators. Be sure to read all safety precautions before you begin the installa- tion procedure. Chapter 2 Installation...

  • Page 16: Jumpers And Connectors

    External speaker connector CN15 LCD connector CN16 VGA connector CN17 Auxiliary power connector CN18 CPU fan power connector COM3/4 RI function selection DOC address / COM2 mode setting LCD voltage selection LCD SHF/ASHF clock selection DiskOnChip socket 10 PCM-4894 User Manual...
  • Page 17 CN18 CN16 PCI/ISA Riser Card Slot CN15 CN14 CN13 CN12 CN17 Winbond CN10 Winbond Chapter 2 Installation...

  • Page 18: Setting Jumpers

    A pair of needle-nose pliers may be helpful when working with jumpers. If you have any doubts about the best hardware configuration for your application, contact your local distributor or sales represen- tative before you make any changes. 12 PCM-4894 User Manual...
  • Page 19 Warning! Always completely disconnect the power cord from your chassis whenever you are working on it. Do not make connections while the power is on because sensitive electronic components can be damaged by the sudden rush of power. Only experienced electronics personnel should open the PC chassis.

  • Page 20: Installing Simms

    The PCM-4894 CPU card provides two 72-pin SIMM (Single In- line Memory Module) sockets and supports between 4MB and 64MB. When installing SIMMs, make sure that Bank 1 is filled first. Note: that the modules can only fit into a socket one way.
  • Page 21 The Ethernet connects to the PCM-4894 via an adapter cable to a 10-pin polarized header (CN1). For 10Base-T RJ-45 operation, an adapter cable converting CN1 into a standard RJ-45 jack is required. Signal Link LED RX LED Chapter 2 Installation...
  • Page 22 DTRA N.C. COM2 DCDB DSRB (422TXD-/485DATA-) RXDB RTSB (422TXD+/485DATA+) TXDB CTSB (422RXD+) DTRB (422RXD-) N.C. COM3 DCDC DSRC RXDC RTSC TXDC CTSC DTRC RIC/+5V/+12V N.C. COM4 31 DCDD RSRD RXDD RTSD TXDD CTSD DTRD RID/+5V/+12V N.C. 16 PCM-4894 User Manual...
  • Page 23 Normally, the parallel port is used to connect the card to a printer. The PCM-4894 includes an onboard parallel port, accessed through the CN3 connector, a 26-pin flat-cable connector. The CPU card comes with an adapter cable, which lets you use a traditional DB-25 connector.
  • Page 24 You can attach two Enhanced Integrated Device Electronics hard disk drives to the PCM-4894's internal controller. The card comes with a 40-pin flat piggyback cable. This cable has one 44- pin 2.0mm pitch and two identical 40-pin flat-cable connectors. Usually, wire number 1 on the cable is red or blue, and the other wires are gray.
  • Page 25 Pin assignments The following table lists the pin numbers and their respective signals: Signal Signal Reset N.C. N.C. IORDY N.C. IRQ 14 -I/O CS16 N.C. -ACT Chapter 2 Installation...
  • Page 26 You can attach up to two floppy disks to the PCM-4894's on- board controller. You can use any combination of 5 1/4" (360 KB and 1.2 MB) and/or 3 1/2" (720 KB, 1.44 MB, and 2.88 MB) drives. The PCM-4894 CPU card comes with a 34-pin daisy-chain drive connector cable.
  • Page 27 Signal +12V Signal -12V Signal Chapter 2 Installation...
  • Page 28 "Present" or "Absent" selection. This allows no- keyboard operation in embedded system applications without the system halting under POST (power-on-self-test). Keyboard and PS/2 mouse connector Signal MS V MS DATA MS CLOCK KB V KB DATA KB CLOCK 22 PCM-4894 User Manual...
  • Page 29 You can connect an LED to indicate when the CPU card is on. Pin 1 of CN8 supplies power to the LED; Pin 3 is the ground. You can use a switch (or a lock) to disable the keyboard. In this state, the PC will not respond to any input.
  • Page 30 The digital I/O interface of PCM-4894 provides 4 TTL input bits & 4 Open-Collector output bits. The following table lists the pin assignment for CN10. Function TTL Input Bit 0 O.C. Output Bit 0 TTL Input Bit 1 O.C. Output Bit 1 TTL Input Bit 2 O.C.
  • Page 31 A continuously lit LED indicates good linkage between the PCM- 4894 and its supporting hub. A flashing LED indicates that the PCM-4894 is transmitting or receiving data. A flashing LED indicates that PCM-4894 is accessing the hard drive. The following table lists the pin assignment of CN13:...
  • Page 32 CN14. Enabling the external speaker automatically disables the internal buzzer. Buzzer External Speaker 1 2 3 4 1 2 3 4 1 2 3 4 Function Speaker output Buzzer in Speaker output 26 PCM-4894 User Manual...
  • Page 33 The board also features an LCD connector (CN15), which allows you to connect various flat panel displays. The following table lists their pin assignments: Signal Signal +12 V +12 V Vcc(+5V/+3.3V) Vcc(+5V/+3.3V) ENA VEE SHFCLK FLM (V SYS) LP (H SYS) ENABKL SHFCLK /ASHFCLK Chapter 2 Installation...
  • Page 34 The PCM-4894 CPU card's SVGA connector (CN16) with PCI bus supports monochrome display as well as high resolution color displays. Signal Signal Red video Key (no pin) Green video Sync return (GND) Blue video Monitor ID (not used) Not used...
  • Page 35 You can set the RI function mode of COM3/4 via JP1. The available configurations are as follows: 10 12 1-2* COM3 RI = RI function COM3 RI = +5V output COM3 RI = +12V output 7-8* COM4 RI = RI function 9-10 COM4 RI = +5V output 11-12...
  • Page 36 1 3 5 1 3 5 1 3 5 * default The serial port COM2 of this board can be configured as RS-232, RS-422, or RS-485. The settings are as follows: RS-232 RS-422 RS-485 * default 30 PCM-4894 User Manual...
  • Page 37 You can select the LCD connector (CN15) driving voltage by setting JP4. The configuration is as follows: 3.4 V 1 2 3 1 2 3 * default You can select the LCD control signals by setting JP5. The following charts show the available options. SHF CLK from C&T65550 ASHF CLK * default...
  • Page 38 Figure1-MD2200 Pin-out Note 1: Pins A13 through A16 are not used by the MD2200. They are kept for socket backward compatibility with ED 1100 (DiskOnChip 1000) Note 2: Pins 1 and 30 are not used by MD2200 32 PCM-4894 User Manual...
  • Page 39 This chapter describes how to configure the BIOS for the PCM-4894. Chapter 3 Award BIOS Setup...
  • Page 40 CMOS settings: 1. You are starting your system for the first time. 2. You have changed the hardware attached to your system. 3. The CMOS memory has lost power and the configuration information has been erased. 34 PCM-4894 User Manual...

  • Page 41: Award Bios Setup

    Power on the computer and press <DEL> immediately. This will allow you to enter the utility and the utility screen should appear (below). Setup Utility Initial Screen Award’s BIOS ROM has a built-in setup utility that allows users to modify the basic system configuration. This type of information is stored in a battery-backed CMOS RAM so that the information is retained when the power is turned off.

  • Page 42: Standard Cmos Setup

    Select these icons to configure the type of floppy drive that is attached to the system: 360 KB 5 1/4", 1.2 MB 5 1/4", 720 KB 3 1/2", 1.44 MB 3 1/2", and/or 2.88 MB 3 1/2". The settings have not been pre-installed. 36 PCM-4894 User Manual...
  • Page 43 LCD & CRT In the display selection item, you can use PageUp/PageDown key to select Both , LCD, CRT or Auto. Pannel: This selection item allow user to select LCD BIOS to match the LCD types. There are eight LCD types available for users to select as their LCD display modes as below: Chapter 3 Award BIOS Setup...

  • Page 44: Bios Features Setup

    ! WARNING ! Disk boot sector is to be modified Type "Y" to accept write or "N" to abort write Award Software, Inc. 38 PCM-4894 User Manual...
  • Page 45 CPU Internal Cache/External Cache These two categories, if enabled, can speed up memory access. However, it depends on the CPU/chipset design. Quick Power On Self Test This category speeds up Power On Self Test (POST) after you power up the computer. If it is set to Enabled, BIOS will shorten or skip some check items during POST.
  • Page 46 ROMs. If there are any expansion cards with ROMs installed in your system, you have to know the address range they use in order to shadow them specifically. The default setting for all of these is Disabled. 40 PCM-4894 User Manual...

  • Page 47: Chipset Features Setup

    By choosing the BIOS FEATURES SETUP option from the INITIAL SETUP SCREEN menu, the screen below is displayed. The displayed configuration is based on the manufacturer's SETUP DEFAULTS settings. CHIPSET features setup This section allows you to configure the system based on the specific features of the installed chipset.

  • Page 48: Power Management Setup

    In the power manage- ment scheme there are four system states which proceed in the following sequence: Normal Doze Standby Suspend 42 PCM-4894 User Manual...
  • Page 49 There are four selections for Power Management (PM): Disabled Turns off PM Max Saving Maximized power saving by activating maximum power saving settings after one minute of system inactivity. Min Saving Produces less power saving by activating moderate power saving settings after one hour of system inactivity.
  • Page 50 User Define mode. The default setting is Disabled. When the system goes into power saving mode, power management will skip to the next mode in the sequence if this is disabled. 44 PCM-4894 User Manual...
  • Page 51 Standby Mode This sets the period of system inactivity after which the system goes into Standby mode, the intermediate power saving state. The settings range from 10 seconds to 1 hour and can be set manually when power management is in User Define mode. The default setting is Disabled.
  • Page 52 • IRQ6 (Floppy Disk) • IRQ7 (LPT 1) • IRQ8 (RTC Alarm) • IRQ9 (IRQ2 Redir) • IRQ10 (Reserved) • IRQ11 (Reserved) • IRQ12 (PS/2 Mouse) • IRQ13 (Coprocessor) • IRQ14 (Hard Disk) • IRQ15 (Reserved) 46 PCM-4894 User Manual...

  • Page 53: Pci Configuration Setup

    By choosing the PCI CONFIGURATION SETUP option from the initial SETUP SCREEN menu, the screen below is displayed. The displayed configuration is based on the manufacturer's SETUP DEFAULTS settings. PCI configuration setup This section describes configuring the Peripheral Component Interconnect (PCI) bus system which allows I/O devices to operate at speeds nearing the speed of the CPU when communi- cating with its own special components.
  • Page 54 PCI interrupt (A, B, C, D) is associated with the connected hard drives. This setting refers to the hard disk drive itself, rather than individual partitions. Selecting PCI Auto allows the system to automatically determine how your IDE disk system is configured. 48 PCM-4894 User Manual...

  • Page 55: Load Bios Defaults / Load Setup Defaults

    SETUP DEFAULTS, on the other hand, provides for maximum system performance. If the stored record created by the setup utility becomes corrupted (and therefore unusable), BIOS defaults will load automatically when you turn the PCM-4894 on. Load BIOS default / Load setup defaults Chapter 3 Award BIOS Setup...
  • Page 56 50 PCM-4894 User Manual...
  • Page 57 This chapter provides information about: • Driver types and installation • Software utility installation and use Chapter 4 Flat Panel/CRT Controller...

  • Page 58: Software Drivers

    2. If a high-resolution mode is not supported on your system, try using a lower-resolution mode. For example, 1024 x 768 mode will not work on some systems, but 800 x 600 mode is supported on most. PCM-4894 User Manual...
  • Page 59 The instructions in this manual assume that you understand elementa- ry concepts of MS-DOS and the IBM Personal Computer. Before you attempt to install any driver or utility, you should: • Know how to copy files from a CD-ROM to a directory on the hard disk •...
  • Page 60 3. Once the installation is complete, the Change Display Type window will reappear. Click on Close to close the window. Then the Display Properties window will reappear. Click on Apply. Restart the system for the new settings to take effect. PCM-4894 User Manual...
  • Page 61 These drivers are designed to work with Microsoft Windows Version 3.1. You should install these drivers through Windows. 1. Install Windows as you normally would for a VGA display. Run Windows to make sure that it is working correctly. 2. Place the Supporting CD-ROM into your CD-ROM drive. In Windows Program Manager, choose File from the Options Menu.
  • Page 62 First select the Control Panel from the Main window. Select the Color icon. You will be shown the current color scheme. Choose a new color scheme and click the OK button. PCM-4894 User Manual...

  • Page 63: Windows 95

    This chapter describes the operation and installation of the following software utilities supplied on the Supporting CD-ROM: • CHIPSDSP • CHIPSCPL This utility program is designed to work with Microsoft Windows 95. You can find the CHIPDSP.DLL in the following path: cd-rom:\CD ROM\model name\driver\vga tools\chipsdsp "cd-rom": the dirve letter of your CD-ROM dirve "model name": the model number of your product...
  • Page 64 The above refresh rates may not be supported by all Chips products. WINDOWS DEFAULT allows you to return to the default refresh rate setting for the selected monitor in Windows 95. PCM-4894 User Manual...
  • Page 65 This utility program is designed to work with Microsoft Windows Version 3.1. CHIPSCPL.CPL is a Windows based utility to select resolutions and color depth. It is a Control Panel Applet with its own icon that is auto- matically installed when installing CHIPS Windows 3.1 linear drivers. The Control Panel icon is in the Main Windows group.
  • Page 66 BIG CURSOR <ALT G> allows you to select a big cursor for better visibility on the Flat Panel. Version <ALT V> displays version information about the current driver. HELP <ALT H> displays help information on how to use the Display Driver Control Panel. PCM-4894 User Manual...
  • Page 67 This chapter describes how to configure the onboard Ethernet to match your application requirements. Chapter 5 Software Configuration...
  • Page 68 The Ethernet Setup Menu also offers three very useful diagnos- tic functions. These are: 1. Run EEPROM test 2. Run Diagnostics on Board 3. Run Diagnostics on Network Each option has its own display screen which shows the format and result of any diagnostic tests undertaken. PCM-4894 User Manual...
  • Page 69 The following demo program illustrates the programming steps required to enable, set, and disable the watchdog timer.
  • Page 70 · 1, 2, 3: IRQ 10, 15, 11 respectively · 4: NMI e.g. outportb(0x444, 0); // set time-out event to reset-system 3. To disable watchdog timer: -- output value “0” to port 0x443. e.g. outportb(0x443, 0); // disable watchdog timer A-64 PCM-4894 User Manual...
  • Page 71 4. To refresh watchdog timer: -- output the desired value to port 0x443. The timer will reset to the new value and count down. e.g. outportb(0x443,10); // set time-out interval to 10 sec … outportb(0x443,20); // reset watchdog timer to 20 sec outportb(0x444, 0);...
  • Page 72 A-66 PCM-4894 User Manual...

  • Page 73: Installing Pc/104 Modules

    This appendix gives instructions for installing PC/104 modules. Appendix B Installing PC/104 Modules B-67...
  • Page 74 The PCM-4894'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. Modules include: • PCM-3110B PCMCIA Module (one-slot) • PCM-3115B PCMCIA Module (two-slot) •...
  • Page 75 Installing these modules on the PCM-4894 is a quick and simple operation. The following steps show how to mount the PC/104 modules: Step1 Remove the PCM-4894 from your system, paying particular attention to the safety instructions already mentioned above. Step2 Make any jumper or link changes required to the CPU card now.
  • Page 76 0.300 3.250 3.775 3.575 3.575 0.200 0.200 3.350 0.200 3.550 B-70 PCM-4894 User Manual...
  • Page 77 Appendix C Optional Extras C-71...
  • Page 78 , t r , n i C-72 PCM-4894 User Manual...

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