FIRST INTERNATIONAL COMPUTER, INC. 486VC-H (REV. A1) Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 16/20/25/33/40/50(internal)/50/66(internal)MHz Chip Set VT Max. Onboard DRAM 128MB SRAM Cache 64/128/256KB BIOS Award Dimensions 289.8mm x 218.4mm I/O Options None NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED J6 Speaker J9 Turbo switch J7 Power LED & keylock J10 Reset switch J8 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation J1 open CMOS memory clear J1 closed » Monitor type select monochrome J2 open Monitor type select color J2 closed » CPU speed select OSC1/1 JK1 & JK2 pins 2 & 3 closed CPU speed select OSC1/2 JK1 & JK2 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 256K x 9 (4) 1M x 9 5MB (4) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 17MB (4) 4M x 9 (4) 256K x 9 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE 65MB (4) 16M x 9 (4) 256K x 9 68MB (4) 16M x 9 (4) 4M x 9 80MB (4) 16M x 9 (4) 4M x 9 128MB (4) 16M x 9 (4) 16M x 9 SRAM CONFIGURATION Size Cache Location TAG/Dirty JS1 JS2 SRAM Bit 64KB (8) 8K x Banks 0 & 1 (2) 8K x 8 pins 1 pins 1 & 8 & 2 2 128KB (4) 32K Bank 0 (2) 8K x 8 pins 1 pins 2 & x 8 & 2 3 256KB (8) 32K Banks 0 & 1 (2) 32K x 8 pins 2 pins 2 & x 8 & 3 3 Note:Pins designated should be in the closed position. CPU TYPE CONFIGURATION CPU Type JC1 JC2 JC3 80486DX2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80486DX pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 80487SX pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 80486SX pins 2 & 3 pins 2 & 3 open closed closed