FIRST INTERNATIONAL COMPUTER, INC. 4386-VIO Processor 80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2 Processor 20/25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set VIA Max. Onboard 32/128MB (depends on CPU used) DRAM Cache 64/128/256KB BIOS Award Dimensions 254mm x 220mm I/O Options Floppy drive interface, game port, IDE interface, parallel port, serial ports (2) NPU Options 80387DX [Image] CONNECTIONS Purpose Location Purpose Location Parallel port CN3 Turbo LED J5 Game port CN4 Turbo switch J6 Serial port 1 CN5 Reset switch J7 Serial port 2 CN6 Speaker J8 Floppy drive interface CN7 Power LED & keylock J9 IDE interface CN8 IDE interface LED J44 USER CONFIGURABLE SETTINGS Function Jumper Position » Parallel port unidirectional JG pins 1 & 2 (printer) closed Parallel port bidirectional JG pins 2 & 3 closed » IDE interface enabled JH pins 2 & 3 closed IDE interface disabled JH pins 1 & 2 closed » Floppy drive interface enabled JI pins 2 & 3 closed Floppy drive interface disabled JI pins 1 & 2 closed » Monitor type select CGA J2 Closed Monitor type select J2 Open monochrome/EGA/VGA » Factory configured - do not alter J3 N/A » Factory configured - do not alter J4 N/A » NPU synchronous with CPU J40 pins 1 & 2 closed NPU asynchronous with CPU J40 pins 2 & 3 closed » Factory configured - do not alter J41 N/A » BALE to IDE select connected to CN8 J45 Closed pin28 BALE to IDE select not connected J45 Open DRAM CONFIGURATION (80386) Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 256K x 9 (4) 1M x 9 5MB (4) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 17MB (4) 4M x 9 (4) 256K x 9 20MB (4) 1M x 9 (4) 4M x 9 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 DRAM CONFIGURATION (80486) Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 256K x 9 (4) 1M x 9 5MB (4) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 17MB (4) 4M x 9 (4) 256K x 9 20MB (4) 1M x 9 (4) 4M x 9 20MB (4) 4M x 9 (4) 1M x 9 DRAM CONFIGURATION (80486 CON’T) Size Bank 0 Bank 1 32MB (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE 65MB (4) 256K x 9 (4) 16M x 9 65MB (4) 16M x 9 (4) 256K x 9 68MB (4) 1M x 9 (4) 16M x 9 68MB (4) 16M x 9 (4) 1M x 9 80MB (4) 4M x 9 (4) 16M x 9 80MB (4) 16M x 9 (4) 4M x 9 128MB (4) 16M x 9 (4) 16M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 JS3 JS4 64KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 128KB pins 1 & 2 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 256KB pins 2 & 3 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed CPU TYPE CONFIGURATION Type JC1 JC2 JC3 JC5 80386DX-33/40 pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed CX486DLC-33/40 pins 1 & 2 pins 1 & 2 pins 1 & 2 Closed closed closed closed 80486SX-20/25 pins 2 & 3 pins 2 & 3 Open Open closed closed 80486SX-33 pins 2 & 3 pins 2 & 3 Open Open closed closed 80487SX-20/25 pins 1 & 2 pins 1 & 2 pins 2 & 3 Open closed closed closed 80486DX-20/25 pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed 80486DX-33/50 pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed 80486DX2-50 pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed 80486DX2-66 pins 1 & 2 pins 1 & 2 pins 1 & 2 Open closed closed closed Note: If JC5 is closed, pins 1 & 2, 3 & 4, 5 & 6 are closed CPU TYPE CONFIGURATION (CON’T) Type JK1 JK2 JK4 80386DX-33/40 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed CX486DLC-33/40 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486SX-20/25 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486SX-33 pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 80487SX-20/25 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX-20/25 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX-33/50 pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 80486DX2-50 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX2-66 pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed CPU CLOCK GENERATOR CONFIGURATION Speed J46 pins 1 & J46 pins 3 & J46 pins 5 & J46 pins 7 & 2 4 6 8 33MHz Closed Open Open Open 40MHz Closed Open Closed Closed 40MHz Closed Closed Open Open 50MHz Open Open Closed Closed 50MHz Open Closed Open Open 66MHz Open Closed Open Closed 66MHz Closed Open Open Closed 80MHz Closed Closed Open Closed Note: If an oscillator is installed, these jumper settings have no effect. PARALLEL PORT CONFIGURATION Setting JE JF Disabled pins 1 & 2 closed pins 1 & 2 closed 378 pins 1 & 2 closed pins 2 & 3 closed 278 pins 2 & 3 closed pins 1 & 2 closed 3BC pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 1 CONFIGURATION Setting JA JB Disabled pins 1 & 2 closed pins 1 & 2 closed 3E8 pins 1 & 2 closed pins 2 & 3 closed 3F8 pins 2 & 3 closed pins 1 & 2 closed 2E8 pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 2 CONFIGURATION Setting JC JD Disabled pins 1 & 2 closed pins 1 & 2 closed 2E8 pins 1 & 2 closed pins 2 & 3 closed 2F8 pins 2 & 3 closed pins 1 & 2 closed 3E8 pins 2 & 3 closed pins 2 & 3 closed