J-MARK COMPUTER CORPORATION 486WB Cache Processor 80386DX/CX486DLC Processor Speed 33/40MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 32/64/128/256KB BIOS AMI Dimensions 240mm x 220mm I/O Options None NPU Options 80387/CX83D87 [Image] CONNECTIONS Purpose Location Purpose Location External battery J10 Turbo LED JP4 Power LED & keylock J23 Reset switch JP11 Speaker J24 Turbo switch SW2 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open » CMOS memory normal operation JP2 pins 2 & 3 closed CMOS memory clear JP2 pins 1 & 2 closed » Factory configured - do not alter JP3 Closed » Factory configured - do not alter JP14 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 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 32KB (4) 8K x 8 NONE 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 JUMPER CONFIGURATION Size JP5 JP6 JP7 JP8 JP9 JP10 32KB 1 & 2 2 & 3 1 & 2 Open Open 2 & 3 64KB 2 & 3 2 & 3 1 & 2 Open Open 1 & 2 128KB 2 & 3 2 & 3 2 & 3 Closed Open 1 & 2 256KB 2 & 3 1 & 2 2 & 3 Closed Closed 1 & 2 Note:Pins designated should be in the closed position.