FIRST INTERNATIONAL COMPUTER, INC. 486 PSD Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/50/66(internal)/66MHz Chip Set SIO Max. Onboard DRAM64MB Cache 64/256KB BIOS Award/AMI Dimensions 330mm x 218mm I/O Options 32-bit PCI slots, SCSI interface, PS/2 mouse port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED J11 IDE interface LED CN1 Turbo switch J12 SCSI interface CN3 Reset switch J13 PS/2 mouse CN5 Speaker J14 32-bit PCI slots S1, S2, S3 Power LED & keylock J15 USER CONFIGURABLE SETTINGS Function Jumper Position » SCSI power from system J1 Closed SCSI power from peripheral J1 Open device » BIOS type select - Award J7 pins 1 & 2 closed BIOS type select -AMI J7 pins 2 & 3 closed » Factory configured - do not J9 pins 1 & 2 alter closed » Factory configured - do not J10 pins 1 & 2 alter closed » CPU type select - PGA JC5 Closed CPU type select - PQFP JC5 Open » Parity error disabled JF1 pins 1 & 2 closed Parity error enabled JF1 pins 2 & 3 closed » CPU generation parity JF2 pins 1 & 2 closed DPU generation parity JF2 pins 2 & 3 closed » Cache wait state disabled JF5 pins 2 & 3 closed Cache wait state enabled JF5 pins 1 & 2 closed » Factory configured - do not JF6 pins 1 & 2 alter closed » 7-bit tag address JF7 pins 2 & 3 closed 8-bit tag address JF7 pins 1 & 2 closed » L2 cache enabled JF8 pins 2 & 3 closed L2 cache disabled JF8 pins 1 & 2 closed » Cache select - 256KB JS1 pins 2 & 3 closed Cache select - 64KB JS1 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 256KB x (1) 256KB x NONE NONE 36 36 4MB (1) 256KB x (1) 256KB x (1) 256KB x (1) 256KB x 36 36 36 36 5MB (1) 1M x 36 (1) 256KB x NONE NONE 36 4MB (1) 1M x 36 (1) 256KB x NONE NONE 36 7MB (1) 1M x 36 (1) 256KB x (1) 256KB x (1) 256KB x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 17MB (1) 4M x 36 (1) 256KB x NONE NONE 36 19MB (1) 4M x 36 (1) 256KB x (1) 256KB x (1) 256KB x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 22MB (1) 4M x 36 (1) 1M x 36 (1) 256KB x (1) 256KB x 36 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 34MB (1) 4M x 36 (1) 4M x 36 (1) 256KB x (1) 256KB x 36 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 64KB (4) 8K x 8 (4) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 Note: The location of the tag chip is unidentified. CACHE JUMPER CONFIGURATION Size JF9 JF10 64KB pins 1 & 2 closed pins 1 & 2 closed 256KB pins 2 & 3 closed pins 2 & 3 closed CACHE SELECT CONFIGURATION Size JS2 JS3 JS4 JS5 64KB Open Open Open Open 256KB Closed Closed Closed Closed CPU PROCESSOR CONFIGURATION CPU JC1/JC2 JC3/JC4 SX pins 2 & 3 closed Open DX/DX2 pins 1 & 2 closed Closed CPU TYPE CONFIGURATION Speed JF3 JF4 25MHz pins 1 & 2 closed pins 1 & 2 closed 33MHz pins 2 & 3 closed pins 1 & 2 closed SCSI CONFIGURATION Request/IRQ9 JR1 JR2 Installed pins 1 & 2 closed pins 1 & 2 closed Not installed pins 2 & 3 closed pins 2 & 3 closed PCI IRQ CONFIGURATION IRQ setting JI1 IRQ 5 pins 1 & 2 closed IRQ 9 pins 3 & 4 closed IRQ 11 pins 5 & 6 closed IRQ 12 pins 7 & 8 closed