UNIDENTIFIED 80386SX-C Processor 80386SX Processor Speed 16/20/25MHz Chip Set VLSI Max. Onboard DRAM 16MB SRAM Cache None BIOS AMI Dimensions 220mm x 180mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Speaker J5 External battery J8 Turbo switch J6 Power LED & keylock J10 Turbo LED J7 Reset switch J15 USER CONFIGURABLE SETTINGS Function Jumper Position » Pipeline mode enabled JP1 closed Pipeline mode disabled JP1 open » CMOS memory normal operation JP6 pins 1 & 2 closed CMOS memory clear JP6 pins 3 & 4 closed » Battery select internal JP7 closed Battery select external JP7 open » Monitor type select monochrome JP11 open Monitor type select color JP11 closed » Parity check enabled JP90 closed Parity check disabled JP90 open » Chipset type select 82C311 JP91 open » Chipset type select 82C310 JP91 open » Keyboard controller set on pin 23 SSI pins 1 & 2 closed Keyboard controller set on pin 27 SSI pins 1 & 3 closed Keyboard controller set on pin 30 SSI pins 1 & 4 closed Keyboard controller set on pin 32 SSI pins 1 & 5 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB (2) 256K x 9 NONE NONE NONE 1MB (2) 256K x 9 (2) 256K x 9 NONE NONE 1.5MB (2) 256K x 9 (2) 256K x 9 (2) 256K x 9 NONE 2MB (2) 256K x 9 (2) 256K x 9 (2) 256K x 9 (2) 256K x 9 2MB (2) 1M x 9 NONE NONE NONE 3MB (2) 256K x 9 (2) 256K x 9 (2) 1M x 9 NONE 4MB (2) 1M x 9 (2) 1M x 9 NONE NONE 5MB (2) 256K x 9 (2) 256K x 9 (2) 1M x 9 (2) 1M x 9 6MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 NONE 8MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 8MB (2) 4M x 9 NONE NONE NONE 12MB (2) 1M x 9 (2) 1M x 9 (2) 4M x 9 NONE 16MB (2) 4M x 9 (2) 4M x 9 NONE NONE