DTK COMPUTER, INC. PTM-1233C/PTM-1630C Processor 80286 Processor Speed 12/16MHz Chip Set C & T Max. Onboard DRAM 8MB Cache None BIOS DTK Dimensions 333mm x 222.5mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & Keylock J1 Turbo switch J4 Reset J2 Turbo LED J5 Speaker J3 External battery J8 USER CONFIGURABLE SETTINGS Function Jumper Position » BIOS type select 27256 W7 pins 2 & 3 closed BIOS type select 27128 W7 pins 1 & 2 closed NPU speed select 8MHz W8 pins 1 & 2 closed NPU speed select 16MHz W8 pins 2 & 3 closed » Battery select internal W9 pins 2 & 3 closed Battery select external W9 pins 1 & 2 closed Monitor type select monochrome W10 pins 1 & 2 closed Monitor type select color W10 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 Bank 4 Bank 5 512KB (4) (2) NONE NONE NONE NONE 44256 41256 512KB NONE NONE NONE NONE NONE NONE 640KB (4) (2) NONE NONE NONE NONE 44256 41256 640KB NONE NONE NONE NONE NONE NONE 1MB (4) (4) (4) (4) NONE NONE 44256 41256 44256 41256 1MB NONE NONE NONE NONE NONE NONE 1.5MB (4) (2) (4) (2) NONE NONE 44256 41256 44256 41256 2MB (4) (2) (4) (2) NONE NONE 44256 41256 44256 41256 2MB (4) (2) (4) (2) (4) NONE 411000 411000 411000 411000 411000 2MB NONE NONE NONE NONE NONE NONE 3MB (4) (2) (4) (2) NONE NONE 44256 41256 44256 41256 4MB (4) (2) (4) (2) (4) (2) 411000 411000 411000 411000 411000 411000 4MB NONE NONE NONE NONE NONE NONE 4MB (4) (2) (4) (2) (4) NONE 411000 411000 411000 411000 411000 4MB NONE NONE NONE NONE NONE (4) 411000 5MB (4) (2) (4) (2) NONE NONE 44256 41256 44256 41256 6MB (4) (2) (4) (2) (4) (2) 411000 411000 411000 411000 411000 411000 8MB (4) (2) (4) (2) (4) (2) 411000 411000 411000 411000 411000 411000 DRAM CONFIGURATION (CON’T) Size Bank 6 Bank 7 Bank 8 Bank 9 Bank 10 Bank 11 512KB NONE NONE NONE NONE NONE NONE 512KB NONE NONE NONE NONE (2) NONE 256K x 9 640KB NONE NONE NONE NONE NONE (2) 64K x 9 640KB NONE NONE NONE NONE (2) (2) 64K 256K x x 9 9 1MB NONE NONE NONE NONE NONE NONE 1MB NONE NONE NONE NONE (2) (2) 256K 256K x x 9 9 1.5MB (4) (2) NONE NONE NONE NONE 44256 41256 2MB (4) (2) (4) NONE NONE NONE 44256 41256 44256 2MB NONE NONE NONE NONE NONE NONE 2MB NONE NONE NONE NONE (2) 1M NONE X 9 3MB NONE NONE NONE NONE (2) 1M NONE X 9 DRAM CONFIGURATION (CON’T) Size Bank 6 Bank 7 Bank 8 Bank 9 Bank Bank 11 10 4MB (4) (2) (4) (2) NONE NONE 411000 411000 411000 411000 4MB NONE NONE NONE NONE (2) 1M (2) 1M X 9 X 9 4MB NONE NONE NONE NONE NONE (2) 1M X 9 4MB (2) (4) (2) (4) (2) 1M NONE 411000 411000 411000 411000 X 9 5MB NONE NONE NONE NONE (2) 1M (2) 1M x 9 x 9 6MB (4) (2) (4) (2) (2) 1M NONE 411000 411000 411000 411000 x 9 8MB (4) (2) (4) (2) (2) 1M (2) 1M 411000 411000 411000 411000 x 9 x 9 DRAM JUMPER CONFIGURATION Size W1 W2 W3 W4 W5 W6 512KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 512KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 640KB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 640KB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1.5MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 2MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 2MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 2MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 3MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 4MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 4MB 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 4MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 4MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 5MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 6MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 8MB 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 2 & 3 Note:Pins designated should be in the closed position.