J-MARK COMPUTER CORPORATION 386DX 25/40 NON CACHE Processor 80386DX Processor Speed 25/40MHz Chip Set CGS Max. Onboard DRAM 32MB Cache None BIOS AMI Dimensions 220mm x 220mm I/O Options None NPU Options 80387DX/3167 [Image] CONNECTIONS Purpose Location Purpose Location External battery JP2 Reset switch JP9 Speaker JP7 Turbo switch JP10 Power LED & keylock JP8 Turbo LED JP11 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP3 pins 1 & 2 closed CMOS memory clear JP3 pins 2 & 3 closed » NPU synchronous with CPU JP5 Open NPU asynchronous with CPU JP5 Closed » Monitor type select color JP6 Closed Monitor type select monochrome JP6 Open » Turbo switch enabled JP10 Closed Turbo switch disabled JP10 Open 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 5MB (4) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 17MB (4) 4M x 9 (4) 256K x 9 20MB (4) 4M x 9 (4) 1M x 9 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9