TEKNOR INDUSTRIAL COMPUTERS, INC. VIPER 804 Processor 80386SX/CX486SLC/TI486SLC Processor Speed 33MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 16MB Maximum Video Memory None Cache 512/1024KB BIOS Unidentified Dimensions Unidentified I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (3), PC/104 interfaces (2) NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location IDE interface J1 Parallel port J7 Floppy drive J2 External battery J8 interface Keyboard, speaker, J3 Serial port 1 - J9 reset, LED internal Serial port 2 J4 PS/2 mouse interface J10 Power connector J5 PC/104 connectors P1 & P2 Serial port 1 - J6 external USER CONFIGURABLE SETTINGS Function Label Position » BIOS boot select normal boot J11 Open BIOS boot select emergency boot J11 Closed External battery connected to J8 W1 Pins 1 & 2 closed External battery connected to J5 W1 Pins 2 & 3 closed » Power fail monitoring disabled W3 Open Power fail monitoring enabled W3 Closed » IOCHRDY signal to IDE interface W4 Open disabled IOCHRDY signal to IDE interface W4 Closed enabled » Watchdog timer enabled W5 Closed Watchdog timer disabled W5 Open » Flash BIOS write enabled W6 Closed Flash BIOS write disabled W6 Open » Flash disk write enabled W7 Closed Flash disk write disabled W7 Open » Battery type select internal W10 Pins 1 & 2 closed Battery type select external W10 Pins 2 & 3 closed » Power failure detection source W11 Pins 1 & 2 external power fail (pin 6 on J5) closed Power failure detection source W11 Pins 2 & 3 internal/external battery <3v closed » SYSCLK select 8MHz (asynchronous) W18 Closed SYSCLK select programmed in BIOS W18 Open setup (synchronous) » Parallel port IRQ select IRQ7 W20 Pins 2 & 3 closed Parallel port IRQ select IRQ5 W20 Pins 1 & 2 closed SIMM CONFIGURATION Size Bank 0 Bank 1 1MB (2) 256K x 9 (2) 256K x 9 2MB (2) 1M x 9 None 4MB (2) 1M x 9 (2) 1M x 9 8MB (2) 4M x 9 None 16MB (2) 4M x 9 (2) 4M x 9 SOLID STATE DISK CONFIGURATION Note: To increase the size of the SSD, install upgrade in U13. DMA CHANNEL SELECTION Channel W21 W22 » None Open Open 1 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT 2 LOOPBACK SELECTION Setting W12 W13 » Normal Open Open Loopback Closed Closed SERIAL PORT 2 SELECTION Setting W14 W15 W16 W17 » RS-232 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed RS-485 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed closed FLOPPY DRIVE EDOUT SELECTION Setting W9 » Left to software Open Ground to pin 17 on J3 Pins 2 & 4 closed Ground to pin 29 on J3 Pins 3 & 4 closed EDOUT to pin 29 on J3 Pins 1 & 3 closed EDOUT to pin 17 on J3 Pins 1 & 2 closed FLOPPY DRIVE HDOUT SELECTION Setting W8 » Left to software Open Ground to pin 27 on J3 Pins 2 & 4 closed Ground to pin 33 on J3 Pins 3 & 4 closed HDOUT to pin 33 on J3 Pins 1 & 3 closed HDOUT to pin 27 on J3 Pins 1 & 2 closed BASE I/O SELECTION Address W19 » 190H Pins 1 & 2, 3 & 4 closed 290H Pins 1 & 2 closed 390H Pins 3 & 4 closed 390H Open EXTENDED BIOS MODE SELECTION Setting W2 VT100 Pins 5 & 6 closed Serial download Pins 7 & 8 closed » Standard mode Pins 5 & 6 closed » Normal mode Pins 7 & 8 closed