FIRST INTERNATIONAL COMPUTER, INC. 486 VAV (REV. B1) Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/50(internal)/66(internal)MHz Chip Set VIA Max. Onboard DRAM 64MB Cache 64/128/256KB BIOS AMI/Award Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2), floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Parallel port CN1 VGA port CN8 Floppy drive CN2 Chassis fan power CN9 interface IDE interface CN3 IDE interface LED CN10 PS/2 mouse port CN4 Power LED & keylock CN11 Serial port 1 & 2 CN5 Turbo LED J2 VGA feature connector CN6 32-bit VESA Local bus S1 slot Reset switch CN7 32-bit VESA Local bus S2 slot USER CONFIGURABLE SETTINGS Function Jumper Position » Password normal J7 Open Password clear J7 Closed » Monitor type select color J10 pins 1 & 2 closed Monitor type select monochrome J10 pins 2 & 3 closed » VGA interrupt enabled J11 Closed VGA interrupt disabled J11 Open » Factory configured - do not JC7 pins 2 & 3 alter closed » Factory configured - do not JP1 pins 1 & 2 alter closed » Factory configured - do not JK1 pins 1 & 2 alter closed » Factory configured - do not JK2 pins 1 & 2 alter closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 1M x 36 NONE NONE NONE 2MB (1) 1M x 36 (1) 1M x 36 NONE NONE 3MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 4MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 4MB (1) 4M x 36 NONE NONE NONE 5MB (1) 4M x 36 (1) 1M x 36 NONE NONE 6MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 7MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 8MB (1) 4M x 36 (1) 4M x 36 NONE NONE 12MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 16MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 16MB (1) 16M x 36 NONE NONE NONE 17MB (1) 16M x 36 (1) 1M x 36 NONE NONE 18MB (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 NONE 19MB (1) 16M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 16M x 36 (1) 4M x 36 NONE NONE 21MB (1) 16M x 36 (1) 4M x 36 (1) 1M x 36 NONE 22MB (1) 16M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 24MB (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 NONE 28MB (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 32MB (1) 16M x 36 (1) 16M x 36 NONE NONE 33MB (1) 16M x 36 (1) 16M x 36 (1) 1M x 36 NONE 36MB (1) 16M x 36 (1) 16M x 36 (1) 4M x 36 NONE 40MB (1) 16M x 36 (1) 16M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 NONE 64MB (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 (1) 16M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG MD1 (Dirty bit) 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 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 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 256KB pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed VRAM CONFIGURATION Size M1 M2 M3 M4 1MB N/A N/A (1) 256 x (1) 256 x 16 16 2MB (1) 256 x (1) 256 x N/A N/A 16 16 Note: M3 & M4 are factory installed and are not configurable. CPU TYPE CONFIGURATION Speed JC1 JC2 JC3 SX25MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed DX25MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed DX33MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed DX50iMHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed DX50MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed DX66MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed CPU TYPE CONFIGURATION - JK5 Setting Pins 1 & 2 Pins 3 & 4 Pins 5 & 6 Pins 7 & 8 25MHz Open Closed Open Open 33MHz Closed Open Open Closed 50iMHz Open Closed Open Open 66iMHz Closed Open Open Closed