FIRST INTERNATIONAL COMPUTER, INC. 486-GIO-VT Processor 80486SX/CX486S/486S Series/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set VIA Max. Onboard DRAM 96MB Cache 64/128/256KB BIOS AMI/AWARD Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), floppy drive interface, game port, IDE interface, PS/2 mouse port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse connector CN1 IDE interface LED J8 Floppy drive CN4 Turbo switch J12 interface Game port CN5 Turbo LED J13 IDE interface CN9 Reset switch J14 PS/2 mouse port CN11 Speaker J15 Parallel port CN12 Power LED & keylock J16 Serial port 1 CN13 Power supply outlet J17 Serial port 2 CN14 32-bit VESA Local SL15, SL16 bus slots External battery J1 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select mono/EGA/VGA J2 Open Monitor type select color J2 Closed » Internal battery select J3 pins 2 & 3 closed External battery select J3 pins 1 & 2 closed » Local IDE selection enabled J4 pins 1 & 2 closed Local IDE selection disabled J4 pins 2 & 3 closed » Award BIOS select J7 pins 1 & 2 closed AMI BIOS select J7 pins 2 & 3 closed » IDE BALE disabled J9 Open IDE BALE enabled J9 Closed » IDE IOCHRDY disabled J10 Open IDE IOCHRDY enabled J10 Closed » Adaptec ISA master installed J18 Closed Adaptec ISA master not installed J18 Open » 80486SX/80486SX(SL)/80486DX(SL)/Cx486S PQFP disable JC6 Closed 80486SX/80486SX(SL)/80486DX(SL)/Cx486S PQFP enable JC6 Open » IDE enabled JG pins 2 & 3 closed IDE 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 uni-directional (printer) JI Closed Parallel port bi-directional JI Open » IDE select A26 JP1 pins 1 & 2 closed IDE select IRQ 15 JP1 pins 2 & 3 closed » Factory configured - do not alter JP3 N/A » CPU clock select 1X JX1 pins 1 & 2 closed CPU clock select 2X JX1 pins 2 & 3 closed » ODP586SX write back select JT1 pins 1 & 2 closed ODP586SX write through select JT1 pins 2 & 3 closed » IDE select IRQ 15 JX2, JP2 pins 1 & 2 closed IDE select SMI JX2, JP2 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 1MB (4) 256K x 9 NONE NONE 1MB NONE (1) 256K x 36 NONE 1MB NONE NONE (1) 256K x 36 2MB (4) 256K x 9 (1) 256K x 36 NONE 2MB NONE (1) 256K x 36 (1) 256K x 36 2MB (4) 256K x 9 NONE (1) 256K x 36 3MB (4) 256K x 9 (1) 256K x 36 (1) 256K 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) 256K x 36 NONE 5MB (4) 1M x 9 NONE (1) 256K x 36 5MB NONE (1) 256K x 36 (1) 1M x 36 5MB NONE (1) 1M x 36 (1) 256K x 36 6MB (4) 256K x 9 (1) 1M x 36 (1) 256K x 36 6MB (4) 256K x 9 (1) 256K x 36 (1) 1M x 36 6MB (4) 1M x 9 (1) 256K x 36 (1) 256K 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) 256K x 36 (1) 1M x 36 9MB (4) 1M x 9 (1) 1M x 36 (1) 256K x 36 12MB (4) 1M x 9 (1) 1M x 36 (1) 1M 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) 256K x 36 17MB NONE (1) 4M x 36 (1) 256K x 36 17MB (4) 4M x 9 (1) 256K x 36 NONE 17MB (4) 4M x 9 NONE (1) 256K x 36 DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 18MB (4) 256K x 9 (1) 256K x 36 (1) 4M x 36 18MB (4) 256K x 9 (1) 4M x 36 (1) 256K x 36 18MB (4) 4M x 9 (1) 256K x 36 (1) 256K 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) 256K x 36 (1) 4M x 36 21MB (4) 1M x 9 (1) 4M x 36 (1) 256K x 36 21MB (4) 4M x 9 (1) 256K x 36 (1) 1M x 36 21MB (4) 4M x 9 (1) 1M x 36 (1) 256K 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) 256K x 36 (1) 4M x 36 33MB (4) 4M x 9 (1) 4M x 36 (1) 256K 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) 256K x 36 NONE 65MB (4) 16M x 9 NONE (1) 256K x 36 66MB (4) 16M x 9 (1) 256K x 36 (1) 256K 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) 256K x 36 (1) 4M x 36 69MB (4) 16M x 9 (1) 1M x 36 (1) 256K 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) 256K x 36 (1) 4M x 36 81MB (4) 16M x 9 (1) 4M x 36 (1) 256K 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 closed pins 1 & 2 closed pins 1 & 2 closed 128KB pins 1 & 2 closed pins 2 & 3 closed pins 2 & 3 closed 256KB pins 2 & 3 closed pins 2 & 3 closed pins 1 & 2 closed CPU TYPE CONFIGURATION CPU Type JC1 JC2 JC3 JC4 JC5 JC7 80486SX 2 & 3 2 & 3 Open Open Closed 1 & 2 80486SX (SL) 2 & 3 2 & 3 Open Open Closed 1 & 2 Cx486S 2 & 3 2 & 3 Closed Open Open 1 & 2 Cx487S 1 & 2 1 & 2 Closed Open Open 1 & 2 Cx486DX 1 & 2 1 & 2 Closed Open Open 1 & 2 80486DX 1 & 2 1 & 2 Closed Open Closed 1 & 2 80486DX (SL) 1 & 2 1 & 2 Closed Open Closed 1 & 2 80486DX2 1 & 2 1 & 2 Closed Open Closed 1 & 2 80486DX2 1 & 2 1 & 2 Closed Open Closed 1 & 2 (SL) Overdrive 1 & 2 1 & 2 Open Closed Open 2 & 3 Note:Pins designated are in the closed position. CPU TYPE CONFIGURATION (CONTINUED) CPU Type RN21 RN22 RN23 80486SX Not installed Not installed Not installed 80486SX (SL) Not installed Installed Not installed 80486SX (SL) (PQFP) Installed Not installed Not installed Cx486S Not installed Not installed Installed Cx486S (PQFP) Installed Not installed Not installed Cx487S Not installed Not installed Installed Cx486DX Not installed Not installed Installed 80486DX Not installed Not installed Not installed 80486DX (SL) Not installed Installed Not installed 80486DX (SL) (PQFP) Installed Not installed Not installed 80486DX2 Not installed Not installed Not installed 80486DX2 (SL) Not installed Installed Not installed CPU TYPE CONFIGURATION (CONTINUED) CPU Type JCX1 JCX2 Cx486S Closed pins 2 & 3 closed All others Open pins 1 & 2 closed VESA WAIT STATE CONFIGURATION CPU speed Wait states JV2 JV3 > 33MHz 0 wait states pins 1 & 2 closed pins 1 & 2 closed < 33MHz 1 wait state pins 2 & 3 closed pins 2 & 3 closed KEYBOARD CONTROLLER CONFIGURATION Type JX3 JX4 » External KBC pins 1 & 2 closed pins 1 & 2 closed Internal KBC with pins 2 & 3 closed pins 2 & 3 closed PS/2 mouse Internal KBC w/o pins 2 & 3 closed pins 1 & 2 closed PS/2 mouse Illegal pins 1 & 2 closed pins 2 & 3 closed KEYBOARD CONFIGURATION Jumper External KBC Internal KBC JKB 1 pins 1 & 2 1 & 2 (default) 2 & 3 Award Clear JKB 2 pins 1 & 2 1 & 2 (default) 2 & 3 AMI Clear JKB 3 pins 1 & 2 1 & 2 VGA/Mono 2 & 3 CGA Note: Pins designated are in the closed position. IDE SPEED CONFIGURATION (PDC 20230 ONLY) IDE type J5 J6 » Speed 2 pins 1 & 2 closed pins 1 & 2 closed Speed 1 pins 1 & 2 closed pins 2 & 3 closed Speed 0 pins 2 & 3 closed pins 2 & 3 closed SERIAL PORT 1 CONFIGURATION Port 1 JA JB » 3F8h pins 1 & 2 closed pins 1 & 2 closed 2E8h pins 2 & 3 closed pins 2 & 3 closed 3E8h pins 1 & 2 closed pins 2 & 3 closed Disable pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 2 CONFIGURATION Port 2 JC JD » 2F8h pins 2 & 3 closed pins 1 & 2 closed 3E8h pins 2 & 3 closed pins 2 & 3 closed 2E8h pins 1 & 2 closed pins 2 & 3 closed Disable pins 1 & 2 closed pins 1 & 2 closed PARALLEL PORT CONFIGURATION LPT 1 JE JF » 378 pins 1 & 2 closed pins 2 & 3 closed 278 pins 2 & 3 closed pins 1 & 2 closed 3BC pins 2 & 3 closed pins 2 & 3 closed Disable pins 1 & 2 closed pins 1 & 2 closed CPU CLOCK CONFIGURATION (IMI425) Clock JK1 JK2 JK3 JK4 40MHz pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 50MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 80MHz pins 2 & 3 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 66MHz pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed closed 66MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed closed 25MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed 40MHz pins 2 & 3 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed 50MHz pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed closed 33MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed CPU CLOCK CONFIGURATION (VT8225N) Clock JK1 JK2 JK3 JK4 16MHz pins 2 & 3 closed pins 2 & 3 closed pins 2 & 3 closed pins 2 & 3 closed 8MHz pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed pins 2 & 3 closed 40MHz pins 1 & 2 closed pins 2 & 3 closed pins 2 & 3 closed pins 2 & 3 closed 20MHz pins 1 & 2 closed pins 2 & 3 closed pins 2 & 3 closed pins 1 & 2 closed 50MHz pins 2 & 3 closed pins 1 & 2 closed pins 2 & 3 closed pins 2 & 3 closed 25MHz pins 2 & 3 closed pins 1 & 2 closed pins 2 & 3 closed pins 1 & 2 closed 80MHz pins 1 & 2 closed pins 1 & 2 closed pins 2 & 3 closed pins 2 & 3 closed 40MHz pins 1 & 2 closed pins 1 & 2 closed pins 2 & 3 closed pins 1 & 2 closed 66MHz pins 2 & 3 closed pins 2 & 3 closed pins 1 & 2 closed pins 2 & 3 closed 33MHz pins 2 & 3 closed pins 2 & 3 closed pins 1 & 2 closed pins 1 & 2 closed 100MHz pins 1 & 2 closed pins 2 & 3 closed pins 1 & 2 closed pins 2 & 3 closed 50MHz pins 1 & 2 closed pins 2 & 3 closed pins 1 & 2 closed pins 1 & 2 closed 8MHz pins 2 & 3 closed pins 1 & 2 closed pins 1 & 2 closed pins 2 & 3 closed 4MHz pins 2 & 3 closed pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed 4MHz pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed pins 2 & 3 closed 2MHz pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed