FIRST INTERNATIONAL COMPUTER, INC. 486-GVT (REV. A2) Processor CX486S/80486SX/CX486DX/CX487S/80486DX/80486DX2/Pentium Overdrive Processor 25/33/50(internal)/50/66(internal)/66MHz Speed Chip Set VIA Max. Onboard 96MB DRAM Cache 64/128/256KB BIOS AMI/Award Dimensions 259mm x 218mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J1 Speaker J12 Turbo LED J9 Power LED & keylock J13 Turbo switch J10 32-bit VESA Local bus SL1 slot Reset switch J11 32-bit VESA Local bus SL2 slot USER CONFIGURABLE SETTINGS Function Jumper Position » Battery select - internal J2 pins 2 & 3 closed Battery select - external J2 pins 1 & 2 closed » Monitor type select J4 Open monochrome/EGA/VGA Monitor type select color J4 Closed » Password clear - AMI J7 pins 2 & 3 closed Password clear - Award J7 pins 1 & 2 closed » Factory configured - do not alter J8 pins 1 & 2 closed » 80486SX/P23S/P4S/CX486S PQFP JC6 Open disabled 80486SX/P23S/P4S/CX486S PQFP enabled JC6 Closed » CPU 2X clock mode JX1 pins 2 & 3 closed CPU 1X clock mode JX1 pins 1 & 2 closed » Factory configured - do not alter JX2 pins 2 & 3 closed » Keyboard select - external JKB1-4, JX3 pins 1 & 2 closed Keyboard select - internal JKB1-4, JX3 pins 2 & 3 closed » Intel S-series CPU JCX1 Open CX486S JCX1 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (4) 256K x 9 NONE NONE 1MB NONE (1) 256KB x 36 NONE 1MB NONE NONE (1) 256KB x 36 2MB (4) 256K x 9 (1) 256KB x 36 NONE 2MB NONE (1) 256KB x 36 (1) 256KB x 36 2MB (4) 256K x 9 NONE (1) 256KB x 36 3MB (4) 256K x 9 (1) 256KB x 36 (1) 256KB x 36 4MB (4) 1M x 9 NONE NONE 4MB NONE (1) 1M x 36 NONE 4MB NONE NONE (1) 1M x 36 5MB (4) 256K x 9 (1) 1M x 36 NONE 5MB (4) 256K x 9 NONE (1) 1M x 36 5MB (4) 1M x 9 (1) 256KB x 36 NONE 5MB (4) 1M x 9 NONE (1) 256KB x 36 5MB NONE (1) 256KB x 36 (1) 1M x 36 5MB NONE (1) 1M x 36 (1) 256KB x 36 6MB (4) 256K x 9 (1) 1M x 36 (1) 256KB x 36 6MB (4) 256K x 9 (1) 256KB x 36 (1) 1M x 36 6MB (4) 1M x 9 (1) 256KB x 36 (1) 256KB x 36 8MB (4) 1M x 9 (1) 1M x 36 NONE 8MB (4) 1M x 9 NONE (1) 1M x 36 8MB NONE (1) 1M x 36 (1) 1M x 36 9MB (4) 256K x 9 (1) 1M x 36 (1) 1M x 36 9MB (4) 1M x 9 (1) 256KB x 36 (1) 1M x 36 9MB (4) 1M x 9 (1) 1M x 36 (1) 256KB x 36 DRAM CONFIGURATION 12MB (4) 1M x 9 (1) 1M x 36 (1) 256KB x 36 16MB (4) 4M x 9 NONE NONE 16MB NONE (1) 4M x 36 NONE 16MB NONE NONE (1) 4M x 36 17MB (4) 256K x 9 (1) 4M x 36 NONE 17MB (4) 256K x 9 NONE (1) 4M x 36 17MB NONE (1) 256KB x 36 (1) 4M x 36 17MB NONE (1) 4M x 36 (1) 256KB x 36 17MB (4) 4M x 9 (1) 256KB x 36 NONE 17MB (4) 4M x 9 NONE (1) 256KB x 36 18MB (4) 256K x 9 (1) 256KB x 36 (1) 4M x 36 18MB (4) 256K x 9 (1) 4M x 36 (1) 256KB x 36 18MB (4) 4M x 9 (1) 256KB x 36 (1) 256KB x 36 20MB (4) 1M x 9 (1) 4M x 36 NONE 20MB (4) 1M x 9 NONE (1) 4M x 36 20MB (4) 4M x 9 (1) 1M x 36 NONE 20MB (4) 4M x 9 NONE (1) 1M x 36 20MB NONE (1) 1M x 36 (1) 4M x 36 20MB NONE (1) 4M x 36 (1) 1M x 36 21MB (4) 256K x 9 (1) 1M x 36 (1) 4M x 36 21MB (4) 256K x 9 (1) 4M x 36 (1) 1M x 36 21MB (4) 1M x 9 (1) 256KB x 36 (1) 4M x 36 21MB (4) 1M x 9 (1) 4M x 36 (1) 256KB x 36 21MB (4) 4M x 9 (1) 256KB x 36 (1) 1M x 36 21MB (4) 4M x 9 (1) 1M x 36 (1) 256KB x 36 24MB (4) 1M x 9 (1) 1M x 36 (1) 4M x 36 24MB (4) 1M x 9 (1) 4M x 36 (1) 1M x 36 24MB (4) 4M x 9 (1) 1M x 36 (1) 1M x 36 32MB (4) 4M x 9 (1) 4M x 36 NONE 32MB (4) 4M x 9 NONE (1) 4M x 36 32MB NONE (1) 4M x 36 (1) 4M x 36 33MB (4) 256K x 9 (1) 4M x 36 (1) 4M x 36 33MB (4) 4M x 9 (1) 256KB x 36 (1) 4M x 36 33MB (4) 4M x 9 (1) 4M x 36 (1) 256KB x 36 36MB (4) 1M x 9 (1) 4M x 36 (1) 4M x 36 36MB (4) 4M x 9 (1) 1M x 36 (1) 4M x 36 36MB (4) 4M x 9 (1) 4M x 36 (1) 1M x 36 48MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 64MB (4) 16M x 9 NONE NONE 65MB (4) 16M x 9 (1) 256KB x 36 NONE 65MB (4) 16M x 9 NONE (1) 256KB x 36 66MB (4) 16M x 9 (1) 256KB x 36 (1) 256KB x 36 68MB (4) 16M x 9 (1) 1M x 36 NONE 68MB (4) 16M x 9 NONE (1) 1M x 36 69MB (4) 16M x 9 (1) 256KB x 36 (1) 1M x 36 DRAM CONFIGURATION 69MB (4) 16M x 9 (1) 1M x 36 (1) 256KB x 36 72MB (4) 16M x 9 (1) 1M x 36 (1) 1M x 36 48MB (4) 4M x 9 (1) 4M x 36 (1) 4M x 36 64MB (4) 16M x 9 NONE NONE 65MB (4) 16M x 9 (1) 256KB x 36 NONE 65MB (4) 16M x 9 NONE (1) 256KB x 36 66MB (4) 16M x 9 (1) 256KB x 36 (1) 256KB x 36 68MB (4) 16M x 9 (1) 1M x 36 NONE 68MB (4) 16M x 9 NONE (1) 1M x 36 69MB (4) 16M x 9 (1) 256KB x 36 (1) 1M x 36 69MB (4) 16M x 9 (1) 1M x 36 (1) 256KB x 36 72MB (4) 16M x 9 (1) 1M x 36 (1) 1M x 36 80MB (4) 16M x 9 (1) 4M x 36 NONE 80MB (4) 16M x 9 NONE (1) 4M x 36 81MB (4) 16M x 9 (1) 256KB x 36 (1) 256KB x 36 81MB (4) 16M x 9 (1) 256KB x 36 (1) 4M x 36 81MB (4) 16M x 9 (1) 4M x 36 (1) 256KB x 36 84MB (4) 16M x 9 (1) 1M x 36 (1) 4M x 36 84MB (4) 16M x 9 (1) 4M x 36 (1) 1M x 36 96MB (4) 16M x 9 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JS1 JS2 JS3 64KB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 128KB pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 256KB pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed CPU TYPE CONFIGURATION CPU Type RN9 RN10 RN11 CX486S/CX486DX Installed Not installed Not installed (PGA) CX486S(PQFP) Not installed Not installed Installed CX487S Installed Not installed Not installed 486SX/DX/DX2 Not installed Not installed Not installed 486 SL-Enhanced Not installed Installed Not installed (PGA) 486 SL-Enhanced Not installed Not installed Installed (PQFP) CPU TYPE CONFIGURATION CPU Type JC1 JC2 JC3 JC4 JC5 486SX/486 SL 2 & 3 2 & 3 Open Open Closed Enhanced CX486S 2 & 3 2 & 3 Closed Open Open CX487S 1 & 2 1 & 2 Closed Open Open CX486DX 1 & 2 1 & 2 Closed Open Open 80486DX/DX2 1 & 2 1 & 2 Closed Open Closed 486 SL-Enhanced 1 & 2 1 & 2 Closed Open Closed Pentium Overdrive 1 & 2 1 & 2 Open Closed Open Note: pins designated should be in the closed position. CPU SPEED SELECT - JK1 Speed Pins 1 & 2 Pins3 & 4 Pins 5 & 6 Pins 7 & 8 25MHz Open Open Closed Open 33MHz Closed Open Open Open 40MHz Closed Closed Open Open 40iMHz Closed Open Closed Closed 50MHz Open Open Closed Closed 50iMHz Open Closed Open Open 66MHz Open Closed Open Closed 66iMHz Closed Open Open Closed 80MHz Closed Closed Open Closed VESA WAIT STATE/BUS SPEED CONFIGURATION CPU speed Wait states JV1 JV2 < 33MHz 0 wait states pins 2 & 3 pins 2 & 3 closed closed > 33MHz 1 wait state pins 1 & 2 pins 1 & 2 closed closed