FIRST INTERNATIONAL COMPUTER, INC. 486-JAL REV. C Processor 80486SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set VIA Max. Onboard DRAM 32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options PS/2 mouse port, parallel port, serial ports (2), VGA port, VGA feature connector, floppy drive interface, IDE interface, riser card NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location PS/2 mouse port CN2 VGA feature connector J13 Serial port 1 CN3 Turbo switch J19 Serial port 2 CN4 Turbo LED J20 Parallel port CN5 Reset switch J21 VGA port CN6 Speaker J22 Floppy drive interface CN8 Power LED & keylock J23 IDE interface CN9 IDE interface LED J45 External battery J9 Riser Card SL1 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select J4 Open monochrome/EGA/VGA Monitor type select color J4 Closed » CMOS memory normal operation J5 Open CMOS memory clear J5 Closed » Password normal operation J7 Open Password reset J7 pins 2 & 3 closed » Battery type select internal J8 pins 2 & 3 closed Battery type select external J8 pins 1 & 2 closed » On board VGA enabled J10 pins 1 & 2 closed On board VGA disabled J10 pins 2 & 3 closed » Factory configured - do not alter J11 N/A » IDE interface enabled J24 pins 1 & 2 closed IDE interface disabled J24 pins 2 & 3 closed » Factory configured - do not alter JC5 N/A DRAM CONFIGURATION 1 Size Bank 0 Bank 1 1MB (1) 256K x 36 NONE 2MB (1) 256K x 36 (1) 256K x 36 4MB (1) 1M x 36 NONE 5MB (1) 1M x 36 (1) 256K x 36 8MB (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE 17MB (1) 4M x 36 (1) 256K x 36 20MB (1) 4M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 DRAM CONFIGURATION 2 Size Bank 0A Bank 1 4MB 4MB NONE 5MB 4MB (1) 256K x 36 8MB 4MB (1) 1M x 36 20MB 4MB (1) 4M x 36 Note: Bank 0A is factory installed and is not configurable. Use either this table or the above table. CACHE CONFIGURATION Size Bank 0 Bank 1 64KB (4) 8K x 8 (4) 8K x 8 128KB (4) 32K x 8 NONE 256KB (4) 32K x 8 (4) 32K x 8 CPU TYPE CONFIGURATION Type JC1 JC2 JC3 JC4 80486SX pins 2 & 3 pins 2 & 3 Open Open closed closed 80486DX pins 1 & 2 pins 1 & 2 Closed Closed closed closed 80486DX2 pins 1 & 2 pins 1 & 2 Closed Closed closed closed CPU SPEED CONFIGURATION Speed JK1 25MHz pins 5 & 6 closed 33MHz pins 1 & 2 closed 50iMHz pins 5 & 6 closed 66iMHz pins 1 & 2 closed HARD DRIVE SPEED CONFIGURATION Speed J16 J17 0 pins 2 & 3 closed pins 2 & 3 closed 1 pins 1 & 2 closed pins 2 & 3 closed 2 pins 1 & 2 closed pins 1 & 2 closed BUS SPEED CONFIGURATION CPU speed J18 <= 33MHz pins 1 & 2 closed > 33MHz pins 2 & 3 closed FLOPPY DRIVE CONFIGURATION Type JF1 JF2 1.44MB pins 2 & 3 closed pins 2 & 3 closed 2.88MB pins 1 & 2 closed pins 1 & 2 closed VRAM CONFIGURATION Size Bank 0 Bank 1 512KB 512KB NONE 1MB 512KB 512KB 2MB 1MB 1MB Note: The size of the VRAM chips are unidentified.