FIRST INTERNATIONAL COMPUTER, INC. 486-PIO-2 (REV. A2) Processor 80486SX/CX486DX/SL80486DX/UMCU5SD/UMCU5S/UMCU5SLV/ CX486DX2/AM486DX2/(SL)AM486DX2/SL80486DX2/AM486DX4/ (SL)AM486DX4/80486FX4/P24D/P24S/P24T/CXM1 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ Speed 100(internal)MHz Chip Set VIA Video Chip None Set Maximum 128MB Onboard Memory Maximum None Video Memory Cache 128/256/512KB BIOS Award Dimensions 330mm x 218mm I/O 32-bit PCI slots (4), floppy drive interface, green PC Options connector, IDE interfaces (2), parallel port, serial ports (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 Label Position » Monitor type select J1 Open monochrome/EGA/VGA Monitor type select CGA J1 Closed » Password normal operation J2 Open Password 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) 1M x 36 (1) 256K x (1) 256K x None 36 36 6MB (1) 256K x (1) 1M x 36 (1) 256K x None 36 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 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 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) 4M x 36 (1) 1M x 36 None 20MB None (1) 1M x 36 (1) 4M 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 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 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 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) 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) 1M x 36 (1) 8M x 36 (1) 8M x 36 36 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 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 SPEED SELECTION 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 TYPE SELECTION Type JC2 JC3 JC4 JC5 80486SX Open Pins 2 & 3 Pins 2 & 3 Open closed closed CX486DX Open Pins 1 & 2 Pins 1 & 2 Open closed closed SL80486DX Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Open closed closed closed UMCU5SD Open Pins 1 & 2 Pins 1 & 2 Open closed closed UMCU5S Open Pins 2 & 3 Pins 2 & 3 Open closed closed UMCU5SLV Open Pins 2 & 3 Pins 2 & 3 Open closed closed CX486DX2 Open Pins 1 & 2 Pins 1 & 2 Open closed closed AM486DX2 Open Pins 1 & 2 Pins 1 & 2 Open closed closed (SL)AM486DX2 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Open closed closed closed SL80486DX2 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Open closed closed closed AM486DX4 Open Pins 1 & 2 Pins 1 & 2 Open closed closed (SL)AM486DX4 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Open closed closed closed 80486DX4 (ODP) Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Open closed closed closed 80486DX4 (2x) Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Open closed closed closed 80486DX4 (3x) Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Open closed closed closed P24D Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Open closed closed closed P24S Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Open closed closed closed P24T Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Closed closed closed closed CXM1 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Open closed closed closed CPU TYPE SELECTION (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 UMCU5SD Installed Not installed Not installed UMCU5S Installed Not installed Not installed UMCU5SLV Installed Not installed Not installed CX486DX2 Not installed Installed Not installed AM486DX2 Installed Not installed Not installed (SL)AM486DX2 Not installed Not installed Pins 6 - 10 closed SL80486DX2 Not installed Not installed Pins 1 - 5 closed AM486DX4 Installed Not installed Not installed (SL)AM486DX4 Not installed Not installed Pins 6 - 10 closed 80486DX4 (ODP) 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 Not installed Not installed Pins 1 - 5 closed P24S Not installed Not installed Pins 1 - 5 closed P24T Not installed Not installed Pins 1 - 5 closed CXM1 Not installed Not installed Pins 6 - 10 closed CPU VOLTAGE SELECTION 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 N/A N/A & 14, 15 & 16 Note: Pins designated should be in the closed position. PCI-BUS CLOCK SELECTION CPU clock JCK JT1 <= 33MHz Pins 1 & 2 closed Pins 1 & 2 closed >33 MHz Pins 2 & 3 closed Pins 2 & 3 closed DMA CHANNEL SELECTION Channel JEPP1 JEPP2 » 1 Pins 2 & 3 closed Pins 2 & 3 closed 3 Pins 1 & 2 closed Pins 1 & 2 closed KEYBOARD SELECTION 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 PRINTER PORT SELECTION 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 N/A