TEKNOR INDUSTRIAL COMPUTERS, INC. VIPER880 Device Type Single board computer Processor 80486SX/80486DX/80486DX2/80486DX4 Processor 50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set VLSI 82C486 Video Chip Chips and Technology Set Maximum 32MB Onboard Memory Maximum Video1MB Memory Cache 128/512KB BIOS AMI Dimensions 181mm x 122mm I/O Options Floppy drive interface, IDE interface, SCSI interface, PS/2 mouse interface, parallel port, serial ports (2), VGA port, PC/104 connectors (2) [Image] CONNECTIONS Purpose Location Purpose Location IDE interface J1 Chassis fan power J8 Floppy drive interface J2 Power connector J9 Multifunction connector J3 PS/2 mouse interface J10 Serial port 2 J4 VGA port J12 SCSI interface J5 Parallel port J13 Flat panel connector J6 PC/104 connector P1 Serial port 1 J7 PC/104 connector P2 USER CONFIGURABLE SETTINGS Function Label Position » Normal boot enabled J11 Open Emergency boot enabled J11 Closed » IOCHRDY signal to IDE interface W1 Open disabled IOCHRDY signal to IDE interface W1 Closed enabled » Watchdog timer enabled W2 Closed Watchdog timer disabled W2 Open » Power fail monitoring disabled W3 Open Power fail monitoring enabled W3 Closed » Flash disk write enabled W4 Closed Flash disk write disabled W4 Open » SCSI address select 340H W5 Open SCSI address select140H W5 Closed » Flash BIOS write enabled W6 Closed Flash BIOS write disabled W6 Open » Pixel clock polarity positive W7 Pins 1 & 2 closed Pixel clock polarity negative W7 Pins 2 & 3 closed » Battery type select internal W10 Pins 1 & 2 closed Battery type select external W10 Pins 2 & 3 closed » Power failure select external W13 Pins 1 & 2 closed power fail input to pin 6 on J9 Power failure select W13 Pins 2 & 3 closed internal/external battery < 3v » On board video enabled W26/pins 1 & Open 2 On board video disabled W26/pins 1 & Closed 2 » Factory configured – do not W26/pins 3 & Unidentified alter 4 » Standard mode enabled W26/pins 5 & Open 6 VT100 mode enabled W26/pins 5 & Closed 6 » Serial normal mode enabled W26/pins 7 & Open 8 Serial download mode enabled W26/pins 7 & Closed 8 » PS/2 mouse disabled W27 Open PS/2 mouse enabled W27 Closed » Monitor type select color W32 Open Monitor type select monochrome W32 Closed SIMM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 36 None 2MB (1) 512K x 36 None 2MB (1) 256K x 36 (1) 256K x 36 3MB (1) 512K x 36 (1) 256K x 36 4MB (1) 1M x 36 None 4MB (1) 512K x 36 (1) 512K x 36 5MB (1) 1M x 36 (1) 256K x 36 6MB (1) 1M x 36 (1) 512K x 36 8MB (1) 2M x 36 None SIMM CONFIGURATION Size Bank 0 Bank 1 8MB (1) 1M x 36 (1) 1M x 36 9MB (1) 2M x 36 (1) 256K x 36 10MB (1) 2M x 36 (1) 512K x 36 12MB (1) 2M x 36 (1) 1M x 36 16MB (1) 4M x 36 None 16MB (1) 2M x 36 (1) 2M x 36 17MB (1) 4M x 36 (1) 256K x 36 18MB (1) 4M x 36 (1) 512K x 36 20MB (1) 4M x 36 (1) 1M x 36 24MB (1) 4M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Note: The location of the cache is unidentified. VIDEO MEMORY CONFIGURATION Note: The location of the video memory is unidentified. CPU SPEED SELECTION Speed W29 50iMHz Pins 1 & 2, 3 & 4, 5 & 6 closed 66iMHz Pins 3 & 4, 5 & 6 closed 75iMHz Pins 1 & 2, 3 & 4, 5 & 6 closed 100iMHz Pins 3 & 4, 5 & 6 closed CPU TYPE SELECTION Type W22 W24 W25 80486SX Pins 1 & 2 Open Open closed 80486DX Pins 2 & 3 Closed Pins 1 & 2 closed closed 80486DX2 Pins 2 & 3 Closed Pins 1 & 2 closed closed 80486DX4 Pins 2 & 3 Closed Pins 1 & 2 closed closed ODP486 Pins 2 & 3 Closed Pins 1 & 2 closed closed BUSCLK SIGNAL SELECTION Speed W21 16MHz Pins 2 & 3 closed 25MHz Pins 1 & 2 closed 33MHz Open DMA CHANNEL SELECTION Channel W28 W31 » None Open Open 1 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 2 & 3 closed Pins 2 & 3 closed PARALLEL PORT INTERRUPT SELECTION IRQ W30 None Open IRQ5 Pins 1 & 2 closed » IRQ7 Pins 2 & 3 closed SERIAL PORT 2 SELECTION Setting W17 W18 W19 W20 » RS-232 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed RS-422 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed RS-485 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed SERIAL PORT LOOPBACK SELECTION Setting W11 W12 » Normal Open Open Loopback Closed Closed I/O ADDRESS SELECTION Address W23 » 190H Pins 1 & 2, 3 & 4 closed 290H Pins 1 & 2 closed 390H Pins 3 & 4 closed 390H Open SCSI DMA CHANNEL SELECTION Channel W14 W15 » None Open Open 0 Pins 1 & 2 closed Pins 2 & 3 closed 5 Pins 2 & 3 closed Pins 1 & 2 closed SCSI INTERRUPT SELECTION IRQ W16 10 Pins 1 & 2 closed 11 Pins 2 & 3 closed » None Open EDOUT SELECTION Setting W8 EDOUT left to software Open EDOUT to pin 29 & ground to pin 17 Pins 1 & 3, 2 & 4 closed EDOUT to pin 17 & ground to pin 29 Pins 1 & 2, 3 & 4 closed Note: The above listed pins are located on J2. HDOUT SELECTION Setting W9 HDOUT left to software Open HDOUT to pin 33 & ground to pin 27 Pins 1 & 3, 2 & 4 closed HDOUT to pin 27 & ground to pin 33 Pins 1 & 2, 3 & 4 closed Note: The above listed pins are located on J2.