FIRST INTERNATIONAL COMPUTER, INC. 486-VAL Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 20/25/33/50(internal)/50/66(internal)MHz Chip Set VIA Max. Onboard 64MB DRAM Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN1 IDE interface CN10 Serial port 1 CN3 IDE interace LED J4 Serial port 2 CN4 Turbo LED J7 Parallel port CN5 Turbo switch J8 VGA port CN6 Reset switch J9 Video feature CN7 Speaker J10 connector Floppy drive interface CN9 Power LED & keylock J11 USER CONFIGURABLE SETTINGS Function Jumper Position » Real time clock normal operation J1 Open Real time clock clear J1 Closed » Flash BIOS write protect enabled J2 Open Flash BIOS write protect disabled J2 Closed » Monitor type select color J13 Closed Monitor type select monochrome, J13 Open VGA or EGA » I/O channel ready enabled J30 Closed I/O channel ready disabled J30 Open » Factory configured - do not alter JF1 pins 2 & 3 closed » Factory configured - do not alter JF2 pins 2 & 3 closed » Factory configured - do not alter JF3 pins 2 & 3 closed » Keyboard IRQ set for AMI 8042 KF JI1 pins 1 & 2 closed Keyboard IRQ set for another JI1 pins 2 & 3 version closed » PS/2 mouse IRQ set for AMI 8042 JI2 pins 1 & 2 KF closed PS/2 mouse IRQ set for another JI2 pins 2 & 3 version closed » Local type tri-state JV2 pins 1 & 2 closed Local type level JV2 pins 2 & 3 closed » Local access for DAC enabled JV3 pins 1 & 2 closed A10 busline for DAC enabled JV3 pins 2 & 3 closed » Local bus select 86C805 enabled JV4 pins 1 & 2 closed Local bus select 86C805 disabled JV4 pins 2 & 3 closed » Factory configured - do not alter JV8 N/A » Video interrupt select IRQ5 JV9 pins 1 & 2 closed Video interrupt select IRQ9 JV9 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 DRAM CONFIGURATION (CONTINUED) Size Bank 0 Bank 1 Bank 2 Bank 3 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG/M9 TAG/M14 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 NONE 128KB (4) 32K x 8 NONE (1) 8K x 8 NONE 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 NONE CACHE JUMPER CONFIGURATION Size JS1 JS2 64KB pins 1 & 2 closed pins 1 & 2 closed 128KB pins 2 & 3 closed pins 1 & 2 closed 256KB pins 2 & 3 closed pins 2 & 3 closed CPU TYPE/SPEED CONFIGURATION Type/Speed JC1 JC2 JC3 JC4 JK1 JK2 80486SX/20 pins 2 pins 2 pins 2 Open pins 1 pins 1 & 3 & 3 & 3 & 2 & 2 80486SX/25 pins 2 pins 2 pins 2 Open pins 1 pins 1 & 3 & 3 & 3 & 2 & 2 80486SX/33 pins 2 pins 2 pins 2 Open pins 2 pins 2 & 3 & 3 & 3 & 3 & 3 80487SX/20 pins 1 pins 1 pins 2 pins 2 pins 1 pins 1 & 2 & 2 & 3 & 3 & 2 & 2 80487SX/25 pins 1 pins 1 pins 2 pins 2 pins 1 pins 1 & 2 & 2 & 3 & 3 & 2 & 2 80486DX/20 pins 1 pins 1 pins 1 pins 1 pins 1 pins 1 & 2 & 2 & 2 & 2 & 2 & 2 80486DX/25 pins 1 pins 1 pins 1 pins 1 pins 1 pins 1 & 2 & 2 & 2 & 2 & 2 & 2 80486DX/33 pins 1 pins 1 pins 1 pins 1 pins 2 pins 2 & 2 & 2 & 2 & 2 & 3 & 3 80486DX/50 pins 1 pins 1 pins 1 pins 1 pins 2 pins 2 & 2 & 2 & 2 & 2 & 3 & 3 80486DX2/50i pins 1 pins 1 pins 1 pins 1 pins 1 pins 1 & 2 & 2 & 2 & 2 & 2 & 2 80486DX2/66i pins 1 pins 1 pins 1 pins 1 pins 2 pins 2 & 2 & 2 & 2 & 2 & 3 & 3 Note:Pins designated should be in the closed position. MONITOR TYPE SELECT Type JV5 JV6 JV7 640 x 480/60Hz pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 640 x 480/70Hz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 800 x 600/60Hz pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed 800 x 600/70Hz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 800 x 600/56Hz pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 1024 x 768/43Hz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 1024 x 768/60Hz pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 1024 x 768/70Hz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed VRAM CONFIGURATION Size Bank 0 Bank 1 JV1 512KB (4) 44256 None pins 1 & 2 closed 1MB (4) 44256 (4) 44256 pins 2 & 3 closed