ASUS COMPUTER INTERNATIONAL ISA-486 Processor 80486SX/80487SX/80486DX Processor Speed 16/20/25/33/50MHz Chip Set SIS Max. Onboard DRAM 64MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit memory card NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Reset switch CN1 Keylock & power LED CN5 Turbo switch CN2 External battery CN6 Turbo LED CN3 32-bit memory S1 expansion slot Speaker CN4 USER CONFIGURABLE SETTINGS Function Jumper Position » Power good signal detect from JP1 pins 1 & 2 power supply closed Power good signal detect from JP1 pins 2 & 3 board closed CPU TYPE Type SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 80487SX Off On On On Off On 80486SX Off Off Off Off On On 80486DX On On On Off Off Off CLOCK SPEED SELECT Speed JP2 JP3 16MHz pins 2 & 3 closed pins 2 & 3 closed 20MHz pins 2 & 3 closed pins 2 & 3 closed 25MHz pins 2 & 3 closed pins 1 & 2 closed 33MHz pins 2 & 3 closed pins 1 & 2 closed 50MHz pins 1 & 2 closed pins 1 & 2 closed 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 CACHE RESISTOR CONFIGURATION Size CJ1 CJ2 CJ3 64KB Installed Not installed Not installed 128KB Not installed Installed Not installed 256KB Not installed Not installed Installed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 4MB (4) 1M x 9 NONE NONE NONE 6MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 10MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 18MB (4) 256K x 9 (4) 256K x 9 (4) 4M x 9 NONE 20MB (4) 256K x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 64MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 [Image]