NORTHGATE COMPUTER SYSTEMS, INC. 386/486/486SX (386 BOARD) Processor 80386DX Processor Speed 25/33/40MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 64KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit external memory card slot NPU Options 80387/3167 [Image] CONNECTIONS Purpose Location Purpose Location External J10 Reset switch J23 pins 9 & battery 19 Speaker J23 pins 1 - 4 Power LED & Keylock J23 pins 11 - 15 Turbo switch J23 pins 7 & 32-bit external S1 17 memory card Turbo LED J23 pins 8 & 18 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select monochrome JP1 Open Monitor type select color JP1 Closed » Battery type select internal JP2 pins 2 & 3 closed Battery type select external JP2 pins 1 & 2 closed » Factory configured - do not alter JP3 Open » Factory configured - do not alter JP4 N/A » Factory configured - do not alter JP9 N/A » Factory configured - do not alter JP12 N/A 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) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 TAG Dirty Bit 64KB (8) 8K x 8 (2) 4K x 4 (1) 16K x 1 Note:The cache, TAG, and dirty bit chip locations and sizes are unidentified.