UNIDENTIFIED 80386SX-20/25 Processor 80386SX Processor Speed 16/20/25MHz Chip Set C & T Max. Onboard DRAM 16MB (8MB on external memory card) Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit external memory card NPU Options 80287/80387SX [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J17 Turbo LED J22 Speaker J18 External battery JP30 Reset switch J19 32-bit external SL1 memory card Turbo switch J21 USER CONFIGURABLE SETTINGS Function Jumper Position » NPU disabled (80287) JP1 Open NPU enabled (80287) JP1 Closed » Monitor type select color JP3 pins 1 & 2 closed Monitor type select monochrome JP3 pins 2 & 3 closed » CMOS memory normal operation JP31 Open CMOS memory clear JP31 Closed DRAM CONFIGURATION Size Bank 0 Parity 0 Bank 1 Parity 1 1MB (36) 41256 (3) 41256 NONE (3) 41256 2MB (36) 41256 (3) 41256 (36) 41256 (3) 41256 4MB (36) 44256 (3) 41256 NONE (3) 41256 8MB (36) 44256 (3) 41256 (36) 44256 (3) 41256 NUMERIC COPROCESSOR CONFIGURATION (80387) Setting JP11 JP12 Not installed Open Open Installed Closed Closed