ARTEK COMPUTER SYSTEMS, INC. OPTI 386-SX Processor 80386SX Processor Speed 20MHz Chip Set OPTI Max. Onboard DRAM 16MB Cache None BIOS AMI Dimensions 249mm x 218mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location External battery JP2 Reset J3 Turbo switch J1 Speaker J4 Turbo LED J2 Power & LED keylock J5 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 (internal battery) » CMOS memory normal operation JP2 pins 1 & 4 (external battery) connected CMOS memory clear JP2 pins 3 & 4 closed » NPU mode select asynchronous JP3 Closed with CPU NPU mode select synchronous JP3 Open with CPU DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (2) 256K x 9 (2) 256K x 9 NONE 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 9MB (2) 256K x 9 (2) 256K x 9 (2) 4M x 9 NONE 10MB (2) 1M x 9 (2) 4M x 9 NONE NONE 12MB (2) 1M x 9 (2) 1MB x 9 (2) 4M x 9 NONE 16MB (2) 4M x 9 (2) 4MB x 9 NONE NONE