UNIDENTIFIED 80486 DX CACHE Processor 80486SX/80487SX/80486DX Processor Speed 16/20/25/33MHz Chip Set Symphony Max. Onboard DRAM 32MB SRAM Cache 64/128/256KB BIOS AMI/DTK Dimensions 330.2mm x 218.4mm I/O Options None NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location External battery J2 Reset switch J5 Turbo switch J3 Speaker J6 Turbo LED J4 Power LED & keylock J7 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP1 pins 1 & 2 closed CMOS memory clear JP1 pins 2 & 3 closed » Monitor type select monochrome JP2 open Monitor type select color JP2 closed CPU CONFIGURATION CPU JP8 JP9 JP10 80486DX pins 1 & 2 closed pins 1 & 2 closed pins 1 & 2 closed 80486SX pins 2 & 3 closed pins 2 & 3 closed pins 2 & 3 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) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 4M x 9 (4) 256K x 9 17MB (4) 256K x 9 (4) 4M x 9 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 SRAM JUMPER CONFIGURATION Jumper 64KB 128KB 256KB JP3 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed JP4 pins 1 & 2 open pins 2 & 3 closed closed JP5 pins 2 & 3 open pins 2 & 3 closed closed JP6 open closed open JP7 open closed open JP11 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed JP12 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed JP13 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed JP14 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed JP15 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed JP16 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed JP17 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed JP18 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed SRAM 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