TEKNOR INDUSTRIAL COMPUTERS, INC. VIPER821 Device Type Single board computer Processor AM K6/Pentium/Pentium MMX Processor Speed 75/90/100/120/133/150/166/200/233MHz Chip Set Intel 430HX Video Chip Set Cirrus Logic Maximum Onboard 256MB (EDO supported) Memory Maximum Video Unidentified Memory Cache 512KB BIOS Unidentified Dimensions 185mm x 122mm I/O Options Ethernet 10BaseT connector, floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (2), VGA port, VGA interface, PC/104 connectors (2), USB connector [Image] CONNECTIONS Purpose Location Purpose Location IDE interface J1 Power connector J11 Floppy drive interface J2 Flash disk J12 connector Keyboard/speaker J3 VGA port J13 connector Serial port 2 J4 PS/2 mouse J14 interface Parallel port J5 Ethernet 10BaseT J15 connector Flat panel connector J6 Chassis fan power J16 VGA interface J7 USB connector J17 Flat panel connector J8 PC/104 connector P1 Serial port 1 J9 Regulator P2 connector Power connector J10 PC/104 connector P3 USER CONFIGURABLE SETTINGS Function Label Position » Watchdog timer enabled W8 Closed Watchdog timer disabled W8 Open » Non maskable IRQ on power fail W9 Open output disabled Non maskable IRQ on power fail W9 Closed output enabled » Battery disabled W10 Open Battery type select internal W10 Pins 1 & 2 closed Battery type select external W10 Pins 2 & 3 closed » Power failure select external W11 Pins 1 & 2 power fail input to pin 6 on J11 closed Power failure select W11 Pins 2 & 3 internal/external batter when < 3v closed » Flat panel voltage select 5v W12 Pins 1 & 2 closed Flat panel voltage select 3.3v W12 Pins 2 & 3 closed » Factory configured - do not alter W13/pins 1 & Open 2 » Factory configured - do not alter W13/pins 3 & Open 4 » On board video enabled W13/pins 5 & Closed 6 On board video disabled W13/pins 5 & Open 6 » CPU < 233MHz W13/pins 7 & Open 8 CPU > 233MHz W13/pins 7 & Closed 8 SIMM CONFIGURATION Size Bank 2 8MB (2) 1M x 36 16MB (2) 2M x 36 32MB (2) 4M x 36 64MB (2) 8M x 36 128MB (2) 16M x 36 256MB (2) 32M x 36 Note: Board accepts EDO memory. 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 (AM K6) CPU Clock Multiplier W1 W2 W3 W4 W5 speed speed 166MHz 66MHz 2.5x Closed Open Closed Closed Closed 200MHz 66MHz 3x Closed Open Closed Closed Open 233MHz 66MHz 3.5x Open Open Closed Closed Open CPU SPEED SELECTION (INTEL) CPU Clock Multiplier W1 W2 W3 W4 W5 speed speed 75MHz 50MHz 1.5x Open Closed Closed Open Open 90MHz 60MHz 1.5x Open Closed Open Open Open 100MHz 66MHz 1.5x Open Open Closed Closed Open 120MHz 60MHz 2x Open Closed Open Open Closed 133MHz 66MHz 2x Open Open Closed Closed Closed 150MHz 60MHz 2.5x Closed Closed Open Open Closed 166MHz 66MHz 2.5x Closed Open Closed Closed Closed 200MHz 66MHz 3x Closed Open Closed Closed Open CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier W1 W2 W3 W4 W5 speed speed 166MHz 66MHz 2.5x Closed Open Closed Closed Closed 200MHz 66MHz 3x Closed Open Closed Closed Open 233MHz 66MHz 3.5x Open Open Closed Closed Open SERIAL PORT 2 SELECTION Setting W6 W7 Termination resistors not Open Open installed Termination resistors Closed Closed installed [Image] CONNECTIONS Purpose Location Regulator connector P2 CPU SPEED SELECTION (AM K6) CPU speed Clock speed Multiplier W1 W2 166MHz 66MHz 2.5x 3 & 5, 4 & Open 6 200MHz 66MHz 3x 3 & 5, 4 & Open 6 233MHz 66MHz 3.5x 3 & 5, 4 & Open 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AM K6, CON’T) CPU Clock Multiplier W3/pins W3/pins W3/pins W3/pins W3/pins speed speed 1 & 2 3 & 4 5 & 6 7 & 8 9 & 10 166MHz 66MHz 2.5x Closed Open Open Closed Open 200MHz 66MHz 3x Closed Open Open Closed Open 233MHz 66MHz 3.5x Open Open Closed Closed Open CPU SPEED SELECTION (INTEL) CPU speed Clock speed Multiplier W1 W2 100MHz 66MHz 1.5x 1 & 3, 2 Closed & 4 120MHz 60MHz 2x 1 & 3, 2 Closed & 4 133MHz 66MHz 2x 1 & 3, 2 Closed & 4 150MHz 60MHz 2.5x 1 & 3, 2 Closed & 4 166MHz 66MHz 2.5x 1 & 3, 2 Closed & 4 200MHz 66MHz 3x 1 & 3, 2 Closed & 4 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL, CON’T) CPU Clock Multiplier W3/pins W3/pins W3/pins W3/pins W3/pins speed speed 1 & 2 3 & 4 5 & 6 7 & 8 9 & 10 100MHz 66MHz 1.5x Closed Open Closed Closed Open 120MHz 60MHz 2x Closed Open Closed Closed Open 133MHz 66MHz 2x Closed Open Closed Closed Open 150MHz 60MHz 2.5x Closed Open Closed Closed Open 166MHz 66MHz 2.5x Closed Open Closed Closed Open 200MHz 66MHz 3x Closed Open Closed Closed Open CPU SPEED SELECTION (INTEL MMX) CPU speed Clock speed Multiplier W1 W2 166MHz 66MHz 2.5x 3 & 5, 4 & Open 6 200MHz 66MHz 3x 3 & 5, 4 & Open 6 233MHz 66MHz 3.5x 3 & 5, 4 & Open 6 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX, CON’T) CPU Clock Multiplier W3/pins W3/pins W3/pins W3/pins W3/pins speed speed 1 & 2 3 & 4 5 & 6 7 & 8 9 & 10 166MHz 66MHz 2.5x Open Open Open Closed Open 200MHz 66MHz 3x Open Open Open Closed Open 233MHz 66MHz 3.5x Open Open Open Closed Open