UNIDENTIFIED 386 CACHE MAINBOARD Processor 80386DX Processor Speed 33/40MHz Chip Set Unidentified Max. Onboard DRAM 32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options None NPU Options 80387DX/3167 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J17 External battery J20 Speaker J18 Turbo switch J21 Reset switch J19 Turbo LED J22 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select monochrome JP3 Open Monitor type select color JP3 Closed » CMOS memory normal operation JP5 pins 1 & 2 closed CMOS memory clear JP5 pins 2 & 3 closed » Factory configured - do not JP6 Open alter 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 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J2 J3 J4 J5 J6 64KB 1 & 2 1 & 2 2 & 3 2 & 3 1 & 2 128KB 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3 256KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP24 JP25 JP26 33MHz Closed Closed Open 40MHz Open Open Closed