FIRST INTERNATIONAL COMPUTER, INC. 486-PVT-IO Processor CX486S/80486SX/SL80486SX/AM486DX/CX486DXV/CX486DX/80486DX/ AM486DX2/CX486DX2V/CX486DX2/80486DX2/SL80486DX2/AM486DX4/ 80486DX4/P24CT/P24D/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 256/512/1024KB BIOS Award Dimensions 244mm x 218mm I/O 32-bit VESA local bus slots (2), floppy drive interface, game port, Options 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 PS/2 mouse port CN2 External battery J6 PS/2 mouse interface CN3 Chassis fan power J7 Game interface CN5 Green PC connector J9 IDE interface CN6 Daughter board J10 (primary) connector IDE interface CN7 IDE interface LED J13 (secondary) Parallel port CN9 Turbo LED J14 Serial port 2 CN10 Turbo switch J15 Serial port 1 CN11 Speaker J16 Floppy drive interface CN12 Reset switch J17 Green PC connector J1 Power LED & keylock J18 Green PC LED J2 32-bit VESA local SL1 & SL2 bus slots USER CONFIGURABLE SETTINGS Function Jumper Position » IDE interface enabled JG pins 2 & 3 closed IDE interface disabled JG pins 1 & 2 closed Floppy drive interface enabled JH pins 2 & 3 closed Floppy drive interface disabled JH pins 1 & 2 closed Parallel port bidirectional JI Open Parallel port unidirectional JI Closed (printer) CMOS memory normal operation JCP Open » CMOS memory clear JCP Closed Monitor type select J4 Open monochrome/EGA/VGA » Monitor type select CGA J4 Closed IDE interface pin 27 open JP1 Open » IDE interface pin 27 linked to JP1 Closed IOCHRDY signal » Game port enabled JW7 pins 2 & 3 closed Game port disabled JW7 pins 1 & 2 closed 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 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 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) 64K x 8 (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 NONE (1) 32K 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 2 & 3 1 & 2 2 & 3 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 JC3 JC4 JX2 CX486S 2 & 3 2 & 3 1 & 2 Open 2 & 3 80486SX 2 & 3 2 & 3 1 & 2 Open 1 & 2 SL80486SX 2 & 3 2 & 3 1 & 2 Open 1 & 2 AM486DX 1 & 2 1 & 2 1 & 2 Open 1 & 2 cx486dxV 1 & 2 1 & 2 1 & 2 Open 2 & 3 cx486dx 1 & 2 1 & 2 1 & 2 Open 2 & 3 80486DX 1 & 2 1 & 2 1 & 2 Open 1 & 2 AM486DX2 1 & 2 1 & 2 1 & 2 Open 1 & 2 cx486dx2V 1 & 2 1 & 2 1 & 2 Open 2 & 3 cx486dx2 1 & 2 1 & 2 1 & 2 Open 2 & 3 80486DX2 1 & 2 1 & 2 1 & 2 Open 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JC1 JC2 JC3 JC4 JX2 SL80486DX2 1 & 2 1 & 2 1 & 2 Open 1 & 2 AM486DX4 1 & 2 1 & 2 1 & 2 Open 1 & 2 80486DX4 1 & 2 1 & 2 1 & 2 Open 1 & 2 P24CT 1 & 2 1 & 2 1 & 2 Closed 1 & 2 P24D 1 & 2 1 & 2 1 & 2 Closed 1 & 2 P24T 1 & 2 1 & 2 1 & 2 Closed 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type RN26 RN27 RN28 RN32 CX486S Not Installed Not Not installed installed installed 80486SX Not Not Installed Not installed installed installed SL80486SX Not Not Installed Not installed installed installed AM486DX Not Not Not Installed installed installed installed cx486dxV Not Installed Not Not installed installed installed cx486dx Not Installed Not Not installed installed installed 80486DX Not Not Installed Not installed installed installed AM486DX2 Not Not Not Installed installed installed installed cx486dx2V Not Installed Not Not installed installed installed cx486dx2 Not Installed Not Not installed installed installed 80486DX2 Not Not Installed Not installed installed installed SL80486DX2 Not Not Installed Not installed installed installed AM486DX4 Not Not Not Installed installed installed installed 80486DX4 Not Not Installed Not installed installed installed P24CT Installed Not Installed Not installed installed P24D Installed Not Installed Not installed installed P24T Not Not Installed Not installed installed installed 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 2 & 3 pins 1 & 2 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 CPU SPEED CONFIGURATION (AM486DX2 ONLY) Speed J19 J20 2x Closed Closed 3x Open Open CPU VOLTAGE CONFIGURATION Voltage J2 J3 3.45v Open Open 3.6v Open pins 1 & 2 closed 4v Open pins 2 & 3 closed Note: Jumpers J2 & J3 are located on the daughter board. DAUGHTER BOARD CONFIGURATION Setting J10 Not installed pins 1 & 2, 3 & 4, 13 & 15, 15 & 16 closed Installed 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 DMA CONFIGURATION DMA JW5 JW6 DMA 1 pins 1 & 2 closed pins 1 & 2 closed DMA 3 pins 2 & 3 closed pins 2 & 3 closed IDE R/W SIGNAL CONFIGURATION Type JR1 JR2 VT82C496G pins 2 & 3 closed pins 2 & 3 closed W83758 pins 1 & 2 closed pins 1 & 2 closed IDE CONFIGURATION Setting J5 JP2 IDE interface pin 28 open Open Open IDE interface pin 28 linked Closed Closed to BALE signal PARALLEL PORT CONFIGURATION Type 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 PARALLEL PORT CONFIGURATION Address JE JF 378H pins 1 & 2 closed pins 2 & 3 closed 278H pins 2 & 3 closed pins 1 & 2 closed 3BCH pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 1 CONFIGURATION Address JA JB 3F8H pins 2 & 3 closed pins 1 & 2 closed 2E8H pins 2 & 3 closed pins 2 & 3 closed 3E8H pins 1 & 2 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 2 CONFIGURATION Address JC JD 378H pins 2 & 3 closed pins 1 & 2 closed 2E8H pins 1 & 2 closed pins 2 & 3 closed 3E8H pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed