UNIDENTIFIED 80286-12 Processor 80286 Processor Speed 6/8/10/12MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 1MB Maximum Video Memory None Cache None BIOS Unidentified Dimensions 330mm x 218mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Speaker J1 Reset switch J4 Power LED & keylock J2 Turbo LED JP1 External battery J3 Turbo switch JP2 USER CONFIGURABLE SETTINGS Function Label Position BIOS type select 27128 JP3 Pins 1 & 2 closed BIOS type select 27256 JP3 Pins 2 & 3 closed Monitor type select color SW1/3 On Monitor type select monochrome SW1/3 Off DRAM CONFIGURATION Size Starting address Bank 0 Bank 1 256KB 000000H - 03FFFFH (18) 4164 (18) 4164 512KB 000000H - 07FFFFH (18) 41256 None 640KB 000000H - 09FFFFH (18) 41256 (18) 4164 1MB (A) 000000H - 07FFFFH (18) 41256 (18) 41256 1MB (B) 100000H - 17FFFFH (18) 41256 (18) 41256 1MB (C) 000000H - 09FFFFH (18) 41256 (18) 41256 1MB (D) 100000H - 15FFFFH (18) 41256 (18) 41256 Note: The location of banks 0 & 1 are unidentified. DRAM SWITCH CONFIGURATION Size SW1/1 SW1/2 SW1/4 256MB On On Off 512MB Off On Off 640MB On Off Off 1MB (A) Off Off Off 1MB (B) Off Off Off 1MB (C) On Off On 1MB (D) On Off On