GIGA-BYTE TECHNOLOGY CO., LTD GA-386UM 33/40 MAIN BOARD Processor 80386DX Processor Speed 33/40MHz Chip Set OPTI Max. Onboard DRAM 32MB SRAM Cache 64/128/256KB BIOS AMI Dimensions 220mm x 260mm I/O Options None NPU Options 80387/3167 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Turbo switch J4 Speaker J2 Turbo LED J5 Reset switch J3 External battery J11 Note:Board may be supplied with either a PGA (socketed) or PQFP (surface mounted) CPU. USER CONFIGURABLE SETTINGS Function Jumper Position » NPU absent J7 open NPU present J7 closed » Monitor type select color J8 closed Monitor type select monochrome J8 open » CMOS memory normal operation J9 pins 2 & 3 closed CMOS memory clear J9 pins 1 & 2 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 SRAM CONFIGURATION Size Cache SRAM Location TAG 64KB (8) 8K x 8 Banks 0 & 1 (1) 8K x 8 128KB (4) 32K x 8 Bank 0 (1) 8K x 8 256KB (8) 32K x 8 Banks 0 & 1 (1) 32K x 8 SRAM JUMPER CONFIGURATION Size WC1 WC2 WC3 WC4 WC5 64KB pins 2 & 3 open open pins 1 & 2 pins 1 & 2 closed closed closed 128KB pins 1 & 2 open closed pins 2 & 3 pins 1 & 2 closed closed closed 256KB pins 2 & 3 closed closed pins 2 & 3 pins 2 & 3 closed closed closed