UNIDENTIFIED 80386 MOTHERBOARD (VER. 3.2) Processor 80386DX Processor Speed 16/20/25/30MHz Chip Set C & T Video Chip Set None Maximum Onboard Memory 16MB (8MB on external memory card) Maximum Video Memory None Cache Unidentified BIOS AMI/Award/Phoenix Dimensions 327mm x 218mm I/O Options External memory card, cache connector NPU Options 80287/80387DX [Image] CONNECTIONS Purpose Location Purpose Location External battery JP3 Turbo LED JP7 Turbo switch JP4 Cache memory connector JP11 Power LED & keylock JP5 Reset switch JP12 Speaker JP6 External memory card SL1 USER CONFIGURABLE SETTINGS Function Label Position » 8042 controller uses 23 pin JP1 Pins 1 & 2 control closed Circuit speed select by pressing JP1 Pins 2 & 3 CTRL, ALT + or - closed Monitor type select color/EGA/VGA JP2 Pins 1 & 2 closed Monitor type select monochrome JP2 Pins 2 & 3 closed Battery type select external JP3 Closed On board battery enabled JP3 Pins 1 & 2 closed On board battery disabled JP3 Open CMOS memory clear JP3 Pins 3 & 4 closed » Factory configured - do not alter JP8 Closed CACHE CONFIGURATION Note: The size of the cache module is unidentified. NPU SELECTION Type JP9 JP10 None installed Pins 1 & 2 closed Open 80287 Pins 1 & 2 closed Open 80387 Pins 2 & 3 closed Closed [Image] DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB 1MB 1MB None None 2MB None None 1MB 1MB 8MB None None 4MB 4MB 8MB 4MB 4MB None None 16MB 4MB 4MB 4MB 4MB Note: The location of the banks are unidentified. The size of the chips are unidentified on the main board and memory card. Banks 1 & 2 are located on the main board. Banks 2 & 3 are located on the external memory card. DRAM JUMPER CONFIGURATION Setting J1 J2 No memory installed in Pins 1 & 2, 4 & 5 Pins 1 & 2, 4 & 5 main board closed closed Memory installed on main Pins 2 & 3, 5 & 6 Pins 2 & 3, 5 & 6 board closed closed Note: Either 2MB or 8MB will be installed on the memory card.