DTK COMPUTER, INC. PTM-TB10Z4 Processor 80286 Processor Speed 10MHz Chip Set Unidentified Video Chip Set None Maximum Onboard Memory 1MB Maximum Video Memory None Cache None BIOS DTK Dimensions 355mm x 304mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Speaker J17 Turbo switch J23 Power LED & keylock J19 External battery J24 Turbo LED J21 USER CONFIGURABLE SETTINGS Function Label Position Monitor type select color J2 Pins 1 & 2 closed Monitor type select monochrome J2 Pins 2 & 3 closed Wait state select 0 wait states J25 Open Wait state select 1 wait state J25 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 512KB (9) 41256 (9) 41256 None None 640KB (9) 41256 (9) 41256 (9) 4164 (9) 4164 1MB (9) 41256 (9) 41256 (9) 41256 (9) 41256 Note: The location of banks 0, 1, 2 & 3 are unidentified. DRAM JUMPER CONFIGURATION Size J18 512KB Pins 2 & 3 closed 640KB Pins 1 & 2 closed 1MB Pins 2 & 3 closed BIOS SELECTION Size U5/1 U5/2 U5/3 U5/4 27128 (DTK On On Off Off BIOS) 27128 (Other Off Off On On BIOS) 27256 (Other Off Off On On BIOS)