FIRST INTERNATIONAL COMPUTER, INC. 486-PIO-2 Processor 80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/CX484DX2/ (SL)AM486DX2/AM486DX2/SL80486DX2/(SL)AM486DX4/AM486DX4/CXM1/ 80486DX4/P24D/P24S/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)MHz Chip Set VIA Max. 128MB Onboard DRAM Cache 128/256/512KB BIOS Award Dimensions 330mm x 218mm I/O Parallel port, serial ports (2), 32-bit PCI slots (4), floppy Options drive interface, IDE interfaces (2) NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive interface CN1 External battery J6 Parallel port CN2 Green PC connector J7 Serial port 2 CN3 Chassis fan power J8 Serial port 1 CN4 Power LED & keylock J9 IDE interface 2 CN5 Speaker J10 IDE interface 1 CN6 Reset switch J11 IDE interface LED J3 Turbo switch J12 Green PC LED J4 Turbo LED J13 Outlet connector J5 32-bit PCI slots PC1 - PC4 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select J1 Open monochrome/EGA/VGA Monitor type select CGA J1 Closed » CMOS memory normal operation J2 Open CMOS memory clear J2 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 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 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 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 8MB NONE (1) 1M x 36 (1) 1M x 36 NONE 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 (1) 4M x 36 NONE NONE 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 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 33MB (1) 256K x (1) 4M x 36 (1) 4M x 36 NONE 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 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) 16M x 36 NONE NONE 36 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) 256K x (1) 8M x 36 (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) 1M x 36 (1) 8M x 36 NONE 69MB (1) 256K x (1) 8M x 36 (1) 1M x 36 (1) 8M x 36 36 69MB (1) 256K x (1) 1M x 36 (1) 8M 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 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) 256K x (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 8K 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 CPU TYPE CONFIGURATION Type JC1 JC2 JC3 JC4 JC5 80486SX Open Open 2 & 3 2 & 3 Open CX486DX Open Open 1 & 2 1 & 2 Open SL80486DX Open 2 & 3 1 & 2 1 & 2 Open UMC U5SD Open Open 1 & 2 1 & 2 Open UMC U5S/U5SLV Open Open 2 & 3 2 & 3 Open CX486DX2 Open Open 1 & 2 1 & 2 Open SL AM486DX2 Open 2 & 3 1 & 2 1 & 2 Open AM486DX2 Closed Open 1 & 2 1 & 2 Open SL80486DX2 Open 2 & 3 1 & 2 1 & 2 Open SL AM486DX4 Open 1 & 2 1 & 2 1 & 2 Open AM486DX4 Open Open 1 & 2 1 & 2 Open CXM1 Open 1 & 2 1 & 2 1 & 2 Open 80486DX4 Open 1 & 2 1 & 2 1 & 2 Open 80486DX4 (2x) Open 2 & 3 1 & 2 1 & 2 Open 80486DX4 (3x) Open 1 & 2 1 & 2 1 & 2 Open P24D (WB) Open 1 & 2 1 & 2 1 & 2 Open P24D (WT) Closed 1 & 2 1 & 2 1 & 2 Open P24S Open 2 & 3 1 & 2 1 & 2 Open P24T (WB) Open 1 & 2 1 & 2 1 & 2 Closed P24T (WT) Closed 1 & 2 1 & 2 1 & 2 Closed Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type RNA RNC RNI 80486SX Not installed Not installed pins 1 - 5 closed CX486DX Not installed Installed Not installed SL80486DX Not installed Not installed pins 1 - 5 closed UMC U5SD Installed Not installed Not installed UMC U5S/U5SLV Installed Not installed Not installed CX486DX2 Not installed Installed Not installed SL AM486DX2 Not installed Not installed pins 6 - 10 closed AM486DX2 Installed Not installed Not installed SL80486DX2 Not installed Not installed pins 1 - 5 closed SL AM486DX4 Not installed Not installed pins 6 - 10 closed AM486DX4 Installed Not installed Not installed CXM1 Not installed Not installed pins 6 - 10 closed 80486DX4 Not installed Not installed pins 1 - 5 closed 80486DX4 (2x) Not installed Not installed pins 1 - 5 closed 80486DX4 (3x) Not installed Not installed pins 1 - 5 closed P24D (WB) Not installed Not installed pins 1 - 5 closed P24D (WT) Not installed Not installed pins 1 - 5 closed P24S Not installed Not installed pins 1 - 5 closed P24T (WB) Not installed Not installed pins 1 - 5 closed P24T (WT) Not installed Not installed pins 1 - 5 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 80iMHz pins 1 & 2 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 VOLTAGE CONFIGURATION Voltage CN3V JPW1 JPW2 3.3v Open 1 & 2 Open 3.45v Open 2 & 3 Open 3.6v Open Open 1 & 2 4v Open Open 2 & 3 5v 1 & 2, 3 & 4, 13 & 14, 15 & 16 Note: Pins designated should be in the closed position. DMA CONFIGURATION DMA JEPP1 JEPP2 DMA 1 pins 2 & 3 closed pins 2 & 3 closed DMA 3 pins 1 & 2 closed pins 1 & 2 closed PARALLEL PORT CONFIGURATION Setting JH JG Output pins 2 & 3 closed pins 2 & 3 closed Input pins 1 & 2 closed pins 1 & 2 closed Bidirectional pins 2 & 3 closed Open KEYBOARD CONFIGURATION Setting JX3 RN1 RN16 RN19 Internal pins 1 & Not Installed Not controller 2 closed installed installed External pins 2 & Installed Not Installed controller 3 closed installed PCI BUS CLOCK CONFIGURATION DMA JCK JT1 <= 33MHz pins 1 & 2 closed pins 1 & 2 closed > 33MHz pins 2 & 3 closed pins 2 & 3 closed