FIRST INTERNATIONAL COMPUTER, INC. 486-PAK-2 Device Mainboard Type Processor CX M6/80486SX/SL80486/CX M7/AM486DX/AM486DXL/80486DX AM486DX2/80486DX2/P4S/P24C/P24D/P24S/P24T/P24CT/ AM486DX4 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set VIA Video Chip S3 Set Maximum 64MB Onboard Memory Maximum 2MB Video Memory Cache 128/256/512KB BIOS Unidentified Dimensions 330mm x 218mm I/O 32-bit VESA local bus slot, floppy drive interface, game interface, Options IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN2 Game interface CN9 Parallel port CN3 Floppy drive interface CN10 Serial port 2 CN4 IDE interface J1 Serial port 1 CN5 Front panel connectors J7 – J11 VGA port CN6 32-bit VESA local bus SL1 slot VGA feature connector CN7 USER CONFIGURABLE SETTINGS Function Label Position » HDD BALE disabled J2 Open HDD BALE enabled J2 Closed » Regulator board not installed J4 Pins 1 & 2, 15 & 16 closed Regulator board installed J4 Open » Monitor type select J5 Open monochrome Monitor type select color J5 Closed » Factory configured - do not J6 Unidentified alter » CMOS memory normal operation JCP Open CMOS memory clear JCP Closed » Green LED disabled JG1 Open Green LED enabled JG1 Closed » Outlet enabled JG2 Open Outlet disabled JG2 Closed 505 riser card installed JL3 Pins 1 & 2 closed 505 riser card not installed JL3 Pins 2 & 3 closed » VGA IRQ9 disabled JV1 Open VGA IRQ9 enabled JV1 Closed SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (1) 256K x 36 None None 2MB (1) 256K x 36 (1) 256K x 36 None 3MB (1) 256K x 36 (1) 256K x 36 (1) 256K x 36 4MB (1) 1M x 36 None None 5MB (1) 1M x 36 (1) 256K x 36 None 6MB (1) 1M x 36 (1) 256K x 36 (1) 256K x 36 8MB (1) 1M x 36 (1) 1M x 36 None 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 12MB (1) 1M x 36 (1) 2M x 36 None 16MB (1) 4M x 36 None None 16MB (1) 2M x 36 (1) 2M x 36 None 17MB (1) 4M x 36 (1) 256K x 36 None 18MB (1) 4M x 36 (1) 256K x 36 (1) 256K x 36 20MB (1) 4M x 36 (1) 1M x 36 None 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 32MB (1) 4M x 36 (1) 4M x 36 None 32MB (1) 8M x 36 None None 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 8M x 36 None 64MB (1) 4M x 36 (1) 8M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 None CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 32K x 8 256KB (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 128KB Pins 1 & 2 closed Pins 1 & 2 closed 256KB Pins 2 & 3 closed Pins 1 & 2 closed 512KB Pins 2 & 3 closed Pins 2 & 3 closed VIDEO MEMORY CONFIGURATION Size Bank 0 Bank 1 1MB (2) 256K x 16 None 2MB (2) 256K x 16 (2) 256K x 16 CPU SPEED SELECTION Speed JK1 JK2 JK3 25MHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 33MHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 40MHz Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 50iMHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 50MHz Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 closed closed closed 66iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 75iMHz Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 100iMHz Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed CPU TYPE SELECTION Type JC1 JC2 JC3 CX M6 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed 80486SX Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed SL80486 Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 closed closed closed CX M7 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed AM486DX Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed AM486DXL Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 80486DX Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed AM486DX2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 80486DX2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed P4S Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed P24C Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed P24D Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed P24S Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed P24T Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed P24CT Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed AM486DX4 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed CPU TYPE SELECTION (CON’T) Type RN16 RN17 RN30 RN31 CX M6 Not Installed Not Not installed installed installed 80486SX Not Not Not Installed installed installed installed SL80486 Not Not Not Installed installed installed installed CX M7 Not Installed Not Not installed installed installed AM486DX Not Not Not Installed installed installed installed AM486DXL Not Not Installed Not installed installed installed 80486DX Not Not Not Installed installed installed installed AM486DX2 Not Not Not Installed installed installed installed 80486DX2 Not Not Not Installed installed installed installed P4S 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 P24T Installed Not Not Installed installed installed P24CT Installed Not Not Installed installed installed AM486DX4 Not Not Not Installed installed installed installed CPU WRITE SELECTION Setting JC4 » Write through Open Write back Closed AMD CLOCK MODE SELECTION Setting JC5 Speed double for DX2-80V/DX4 Pins 1 & 2 closed Speed double for DX2 plus Pins 2 & 3 closed Speed triple for DX2 plus Pins 1 & 2 closed Speed triple for DX2-80V/DX4 Pins 2 & 3 closed VL BUS WAIT STATE SELECTION Setting JV2 » 0 Pins 1 & 2 closed 1 Pins 2 & 3 closed VL BUS SPEED SELECTION Speed JV3 » <= 33MHz Pins 1 & 2 closed >33 MHz Pins 2 & 3 closed DMA CHANNEL SELECTION Channel JE1 JE2 » Disabled Open Open 1 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 2 & 3 closed Pins 2 & 3 closed PCICLK SELECTION Setting JL1 JL2 PCICLK = CPUCLK Pins 1 & 2 closed Pins 1 & 2 closed PCICLK = CPUCLK/2 Pins 2 & 3 closed Pins 2 & 3 closed