FIRST INTERNATIONAL COMPUTER, INC. 486-VIP-IO2 Processor CX486S/80486SX/SL80486SX/AM486DX/CX486DX/SL80486DX/AM486DX2/ AM486DXL2/80486DX2/AM486DXL4/AM486DX4/80486DX4/P24C/P24D/ P24S/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set VIA Max. 128MB Onboard DRAM Cache 128/256/512/1024KB BIOS Award Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (2), 32-bit PCI slots (4), floppy drive Options interface, game port, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive interface CN2 Turbo switch J9 Game port CN3 Turbo LED J10 IDE interface CN4 External battery J11 (secondary) Serial port 1 CN7 Green PC LED J12 Serial port 2 CN8 Green PC connector J13 Parallel port CN9 IDE interface LED J21 PS/2 mouse interface CN10 IDE interface J24 (primary) PS/2 mouse port CN11 Chassis fan power J26 Daughter board J2 Green PC connector J39 connector Speaker J5 32-bit PCI slots PC1 - PC4 Reset switch J6 32-bit VESA local SL1 & SL2 bus slots Power LED & keylock J8 Note: The location of J26 is unidentified. USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J7 Open CMOS memory clear J7 Closed » Monitor type select J29 Open monochrome/EGA/VGA Monitor type select CGA J29 Closed » CPU type select all types J37 pins 1 & 2 closed CPU type select Cyrix only J37 pins 2 & 3 closed » P24T/P24D cache type select write JC4 Open through P24T/P24D cache type select write JC4 Closed back » AMD CPU type select DX2 JC5 pins 2 & 3 closed AMD CPU type select DX4 JC5 pins 1 & 2 closed » IDE interface pin 27 open JP3 Open IDE interface pin 27 linked to JP3 Closed IOCHRDY signal » Game port enabled JW7 pins 2 & 3 closed Game port disabled JW7 pins 1 & 2 closed Note: The location of JP3 is unidentified. DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 1MB NONE (1) 256K x NONE NONE 36 1MB NONE NONE (1) 256K x NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 2MB (1) 256K x NONE (1) 256K x NONE 36 36 2MB NONE NONE (1) 256K x (1) 256K x 36 36 2MB NONE (1) 256K x (1) 256K x NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 3MB NONE (1) 256K x (1) 256K x (1) 256K x 36 36 36 3MB (1) 256K x NONE (1) 256K x (1) 256K x 36 36 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 4MB NONE (1) 1M x 36 NONE NONE 4MB NONE NONE (1) 1M x 36 NONE 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 5MB (1) 256K x NONE (1) 1M x 36 NONE 36 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 5MB (1) 1M x 36 NONE (1) 256K x NONE 36 5MB NONE (1) 256K x (1) 1M x 36 NONE 36 5MB NONE (1) 1M x 36 (1) 256K x NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 6MB (1) 256K x (1) 1M x 36 (1) 256K x NONE 36 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 6MB NONE (1) 1M x 36 (1) 256K x (1) 256K x 36 36 6MB (1) 1M x 36 NONE (1) 256K x (1) 256K x 36 36 7MB (1) 256K x (1) 1M x 36 (1) 256K x (1) 256K x 36 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 8MB (1) 1M x 36 NONE (1) 1M x 36 NONE 8MB NONE NONE (1) 1M x 36 (1) 1M x 36 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 NONE 36 9MB (1) 1M x 36 (1) 256K x (1) 1M x 36 NONE 36 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 9MB NONE (1) 256K x (1) 1M x 36 (1) 1M x 36 36 9MB (1) 256K x NONE (1) 1M x 36 (1) 1M x 36 36 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 12MB NONE (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 12MB (1) 1M x 36 NONE (1) 1M x 36 (1) 1M x 36 13MB (1) 256K x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 13MB (1) 1M x 36 (1) 256K x (1) 1M x 36 (1) 1M x 36 36 16MB NONE (1) 4M x 36 NONE NONE 16MB NONE NONE (1) 4M x 36 NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (1) 256K x NONE (1) 4M x 36 NONE 36 17MB NONE (1) 256K x (1) 4M x 36 NONE 36 17MB NONE (1) 4M x 36 (1) 256K x NONE 36 18MB (1) 256K x (1) 256K x (1) 4M x 36 NONE 36 36 18MB (1) 256K x (1) 4M x 36 (1) 256K x NONE 36 36 18MB NONE (1) 4M x 36 (1) 256K x (1) 256K x 36 36 19MB (1) 256K x (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 20MB (1) 1M x 36 NONE (1) 4M x 36 NONE 20MB NONE (1) 1M x 36 (1) 4M x 36 NONE 20MB NONE (1) 4M x 36 (1) 1M x 36 NONE 21MB (1) 256K x (1) 1M x 36 (1) 4M x 36 NONE 36 21MB (1) 256K x (1) 4M x 36 (1) 1M x 36 NONE 36 21MB (1) 1M x 36 (1) 256K x (1) 4M x 36 NONE 36 21MB (1) 1M x 36 (1) 4M x 36 (1) 256K x NONE 36 22MB (1) 1M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 NONE 24MB NONE (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 25MB (1) 256K x (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 36 28MB (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 32MB NONE NONE (1) 4M x 36 (1) 4M x 36 32MB (1) 8M x 36 NONE NONE NONE 32MB NONE (1) 8M x 36 NONE NONE 32MB NONE (1) 4M x 36 (1) 4M x 36 NONE 33MB (1) 256K x (1) 4M x 36 (1) 4M x 36 NONE 36 33MB NONE (1) 256K x (1) 4M x 36 (1) 4M x 36 36 33MB (1) 256K x NONE (1) 4M x 36 (1) 4M x 36 36 34MB (1) 256K x (1) 256K x (1) 4M x 36 (1) 4M x 36 36 36 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 36MB NONE (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 36MB (1) 1M x 36 NONE (1) 4M x 36 (1) 4M x 36 37MB (1) 256K x (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 36 37MB (1) 1M x 36 (1) 256K x (1) 4M x 36 (1) 4M x 36 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 48MB NONE (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 49MB (1) 256K x (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 36 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB NONE (1) 8M x 36 (1) 8M x 36 NONE 65MB (1) 256K x (1) 8M x 36 (1) 8M x 36 NONE 36 66MB (1) 256K x (1) 256K x (1) 8M x 36 (1) 8M x 36 36 36 66MB (1) 256K x (1) 8M x 36 (1) 256K x (1) 8M x 36 36 36 66MB (1) 8M x 36 (1) 8M x 36 (1) 256K x (1) 256K x 36 36 68MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 NONE 68MB (1) 1M x 36 (1) 8M x 36 NONE (1) 8M x 36 68MB NONE (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 68MB (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 NONE 69MB (1) 256K x (1) 8M x 36 (1) 1M x 36 (1) 8M x 36 36 69MB (1) 1M x 36 (1) 256K x (1) 8M x 36 (1) 8M x 36 36 69MB (1) 1M x 36 (1) 8M x 36 (1) 256K x (1) 8M x 36 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 72MB (1) 1M x 36 (1) 8M x 36 (1) 1M x 36 (1) 8M x 36 72MB (1) 8M x 36 (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 80MB (1) 8M x 36 (1) 4M x 36 (1) 8M x 36 NONE 80MB (1) 8M x 36 (1) 8M x 36 (1) 4M x 36 NONE 81MB (1) 256K x (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 36 81MB (1) 256K x (1) 8M x 36 (1) 4M x 36 (1) 8M x 36 36 84MB (1) 1M x 36 (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 84MB (1) 1M x 36 (1) 8M x 36 (1) 4M x 36 (1) 8M x 36 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 NONE 97MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 256K x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 or (1) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 256KB (4) 64K x 8 NONE (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K x 8 512KB (4) 64K x 8 (4) 64K x 8 (1) 32K x 8 or (1) 64K x 8 1MB (4) 128K x 8 (4) 128K x 8 (1) 64K x 8 or (1) 128K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 JS3 JS4 JS5 JS6 128KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 256KB 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 512KB 2 & 3 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 1MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JC1 JC2 CX486S pins 2 & 3 closed pins 2 & 3 closed 80486SX pins 2 & 3 closed pins 2 & 3 closed CX486DX pins 1 & 2 closed pins 1 & 2 closed SL80486DX pins 1 & 2 closed pins 1 & 2 closed AM486DXL2 pins 1 & 2 closed pins 1 & 2 closed AM486DX2 pins 1 & 2 closed pins 1 & 2 closed SL80486DX2 pins 1 & 2 closed pins 1 & 2 closed AM486DXL4 pins 1 & 2 closed pins 1 & 2 closed AM486DX4 pins 1 & 2 closed pins 1 & 2 closed 80486DX4 pins 1 & 2 closed pins 1 & 2 closed P24D pins 1 & 2 closed pins 1 & 2 closed P24S pins 1 & 2 closed pins 1 & 2 closed Pentium Overdrive pins 1 & 2 closed pins 1 & 2 closed CPU TYPE CONFIGURATION Type RN11 RN12 RN13 RN40 CX486S Not Installed Not Not installed installed installed SL80486SX Not Not Not Installed installed installed installed CX486DX Not Installed Not Not installed installed installed AM486DX Not Not Not Installed installed installed installed SL80486DX Not Not Not Installed installed installed installed AM486DX2 Not Not Not Installed installed installed installed AM486DXL2 Not Not Installed Not installed installed installed SL80486DX2 Not Not Not Installed installed installed installed AM486DXL4 Not Not Installed Not installed installed installed AM486DX4 Not Not Not Installed installed installed installed 80486DX4 Not Not Not Installed installed installed installed P24C Installed Not Not Installed installed installed P24D Installed Not Not Installed installed installed P24S Not Not Not Installed installed installed installed Pentium Installed Not Not Installed Overdrive installed installed CPU PCI CLOCK CONFIGURATION Type J28 JT1 PCICLK = CPUCLK pins 1 & 2 closed pins 1 & 2 closed PCICLK = CPUCLK/2 pins 2 & 3 closed pins 2 & 3 closed CPU SPEED CONFIGURATION Speed JK1 JK2 JK3 JK4 25MHz pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 33MHz pins 2 & 3 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed 40MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 50iMHz pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 50MHz pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 66iMHz pins 2 & 3 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed 75iMHz pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 100iMHz pins 2 & 3 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed VESA WAIT STATE CONFIGURATION Wait states JV1 0 wait states pins 2 & 3 closed 1 wait state pins 1 & 2 closed BUS SPEED CONFIGURATION CPU speed JV2 <= 33MHz pins 2 & 3 closed > 33MHz pins 1 & 2 closed IDE CONFIGURATION Setting J23 JP1 IDE interface pin 28 open Open Open IDE interface pin 28 linked Closed Closed to BALE signal KEYBOARD CONFIGURATION Type JX1 RN22 RN23 RN32 Internal pins 1 & 2 Installed Not installed Not installed closed External pins 2 & 3 Not installed Installed Installed closed PARALLEL PORT CONFIGURATION Setting JW3 JW4 Print pins 2 & 3 closed pins 2 & 3 closed EPP/SPP pins 2 & 3 closed pins 1 & 2 closed EPP/ECP pins 1 & 2 closed pins 2 & 3 closed EXT2FDD pins 1 & 2 closed pins 1 & 2 closed PRINTER DMA MODE CONFIGURATION DMA JW5 JW6 DMA 1 pins 1 & 2 closed pins 1 & 2 closed DMA 3 pins 2 & 3 closed pins 2 & 3 closed WINBOND CHIP CONFIGURATION Type JW1 JW2 W757AF/767F pins 1 & 2 closed pins 1 & 2 closed W777AF/787F pins 2 & 3 closed pins 2 & 3 closed