FREE COMPUTER TECHNOLOGY, INC. 80486VESA Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor Speed 20/25/33/40/50(internal)/50/66(internal) MHz Chip Set SIS Max. Onboard DRAM 32MB SRAM Cache 64/128/256KB BIOS AMI Dimensions 254mm x 218mm I/O Options 32-bit VESA local bus slot (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery JP1 Speaker JP17 Reset switch JP14 Power LED & keylock JP18 Turbo switch JP15 32-bit VESA card (2) S1 & S2 Turbo LED JP16 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP2 Open Monitor type select monochrome JP2 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 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 CPU SPEED CONFIGURATION Speed JP6 JP7 JP11 J19 JP20 20MHz Closed Closed pins 1 & Open Open 2 25MHz Open Closed pins 1 & Open Open 2 33MHz Closed Open pins 1 & Open Open 2 40MHz Closed Closed pins 2 & Closed Closed 3 50i MHz Open Closed pins 1 & Open Open 2 50MHz Open Closed pins 2 & Closed Closed 3 66i MHz Closed Open pins 1 & Open Open 2 Note:Pins designated should be in the closed postion. CPU TYPE CONFIGURATION CPU Type JP9 JP10 JP22 JP23 80486SX PQFP pins 1 & 2, pins 1 & 2 Closed Open 3 & 4 80486DX PQFP pins 1 & 2, pins 1 & 2 Closed Open 3 & 4 80486SX PGA pins 2 & 3 Open Open Closed 80487SX PGA pins 1 & 2 pins 2 & 3 Open Closed and 3 & 4 80486DX PGA pins 1 & 2 pins 1 & 2 Open Closed and 3 & 4 ODP486SX PGA pins 1 & 2 pins 2 & 3 Open Closed and 3 & 4 80486DX2 PGA pins 1 & 2 pins 1 & 2 Open Closed and 3 & 4 Note:Pins designated should be in the closed postion. SRAM CONFIGURATION Size Cache Location TAG JP12 JP13 64KB (8) 8K x Banks 0 & 1 (1) 8K x Open Open 8 8 128KB (4) 32K x Bank 0 (1) 8K x Closed pins 1 & 8 8 2 256KB (8) 32K x Banks 0 & 1 (1) 32K Closed pins 2 & 8 x 8 3 Note:Pins designated should be in the closed position.