NORTHGATE COMPUTER SYSTEMS, INC. 386 ELEGANCE Processor 80386DX Processor Speed 20/25MHz Chip Set OPTI Max. Onboard DRAM 8MB Cache 64/256KB 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 Turbo LED J3 Reset switch J6 Power LED & J4 32-bit external S1 keylock memory card Speaker J5 Turbo switch W6 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not alter W1 pins 2 & 3 (Rev. B that has jumper W10) closed » Factory configured - do not alter W1 Open (Rev. Bs without jumper W10) » DRAM (8-bit) speed select 20MHz W4 pins 2 & 3 CPU closed DRAM (8-bit) speed select 25MHz W4 pins 1 & 2 CPU closed » DRAM (16-bit) speed select 20MHz W5 pins 2 & 3 CPU closed DRAM (16-bit) speed select 25MHz W5 pins 1 & 2 CPU closed » Monitor type select monochrome W7 pins 1 & 2 closed Monitor type select color W7 pins 2 & 3 closed » Factory configured - do not alter W10 N/A (some Rev. Bs only) DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 Socket Socket U60 U73 1MB (4) NONE NONE NONE PAL B PAL B 256K x 9 2MB (4) (4) NONE NONE PAL B PAL B 256K x 256K x 9 9 3MB (4) (4) (4) NONE PAL B PAL B 256K x 256K x 256K x 9 9 9 4MB (4) (4) (4) (4) PAL B PAL B 256K x 256K x 256K x 256K x 9 9 9 9 4MB (4) 1M NONE NONE NONE PAL A PAL A x 9 5MB (4) 1M NONE (4) NONE PAL A PAL A x 9 256K x 9 6MB (4) 1M NONE (4) (4) PAL A PAL A x 9 256K x 256K x 9 9 8MB (4) 1M (4) 1M NONE NONE PAL A PAL A x 9 x 9 9MB (4) 1M (4) 1M (4) NONE PAL A PAL A x 9 x 9 256K x 9 10MB (4) 1M (4) 1M (4) (4) PAL A PAL A x 9 x 9 256K x 256K x 9 9 12MB (4) 1M (4) 1M (4) 1M NONE PAL A PAL A x 9 x 9 x 9 16MB (4) 1M (4) 1M (4) 1M (4) 1M PAL A PAL A x 9 x 9 x 9 x 9 Note:Banks 2 & 3 are used when 32-bit external memory card is installed at S1. DRAM JUMPER CONFIGURATION Size SW1 W8 W9 1MB Open pins 2 & 3 pins 2 & 3 closed closed 2MB Open pins 2 & 3 pins 2 & 3 closed closed 3MB pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 4MB pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 4MB Open pins 2 & 3 pins 2 & 3 closed closed 5MB pins 3 & 4, 7 & pins 1 & 2 pins 1 & 2 closed 8 closed closed 6MB pins 3 & 4, 7 & pins 1 & 2 pins 1 & 2 closed 8 closed closed 8MB Open pins 1 & 2 pins 1 & 2 closed closed 9MB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 10MB pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 12MB pins 1 & 2, 7 & pins 1 & 2 pins 1 & 2 closed 8 closed closed 16MB Open pins 1 & 2 pins 1 & 2 closed closed CACHE CONFIGURATION Size Bank 0 TAG 64KB (8) 64K x 1 (2) 64K x 1 256KB (8) 64K x 4 (2) 64K x 4 CACHE JUMPER CONFIGURATION Size W2 W3 64KB pins 1 & 2 closed pins 1 & 2 closed 256KB pins 2 & 3 closed pins 2 & 3 closed