DTK COMPUTER, INC.
PTM-1630
| 
 Processor  | 
 80286 (exact location unknown)  | 
| 
 Processor Speed  | 
 16MHz  | 
| 
 Chip Set  | 
 Unidentified  | 
| 
 Max. Onboard DRAM  | 
 1MB  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 DTK  | 
| 
 Dimensions  | 
 330mm x 218mm  | 
| 
 I/O Options  | 
 Local memory slot  | 
| 
 NPU Options  | 
 80287  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Local memory slot  | 
 CN1  | 
 Turbo LED  | 
 J5  | 
| 
 Reset switch  | 
 J1  | 
 Power LED & keylock  | 
 J6  | 
| 
 Speaker  | 
 J2  | 
 Turbo switch  | 
 W11  | 
| 
 External battery  | 
 J3  | ||
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Jumper  | 
 Position  | |
| 
 Local memory wait state select 0 wait states  | 
 W3  | 
 Closed  | |
| 
 Local memory wait state select 1 wait state  | 
 W3  | 
 Open  | |
| 
 BIOS wait state select 2 wait states  | 
 W4  | 
 Open  | |
| 
 BIOS wait state select 1 wait state  | 
 W4  | 
 Closed  | |
| 
 BIOS type select 27128  | 
 W8  | 
 pins 2 & 3 closed  | |
| 
 BIOS type select 27256  | 
 W8  | 
 pins 1 & 2 closed  | |
| 
 Battery type select internal  | 
 W9  | 
 Open  | |
| 
 Battery type select external  | 
 W9  | 
 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  | 
| 
 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  | 
| 
 DRAM JUMPER CONFIGURATION  | ||
| 
 Size  | 
 W6  | 
 W7  | 
| 
 512KB  | 
 Closed  | 
 Closed  | 
| 
 640KB  | 
 Closed  | 
 Open  | 
| 
 1MB  | 
 Open  | 
 Closed  | 
| 
 DRAM SPEED CONFIGURATION  | ||
| 
 DRAM speed  | 
 Speed  | 
 W5  | 
| 
 120ns  | 
 16MHz/0 ws  | 
 Open  | 
| 
 100ns  | 
 12MHz/0 ws  | 
 pins 1 & 2, 3 & 4, 5 & 6 closed  | 
| 
 80ns  | 
 16MHz/1 ws  | 
 pins 1 & 2, 3 & 4, 5 & 6, 7 & 8 closed  | 
| 
 60ns  | 
 12MHz/1 ws  | 
 pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed  | 
| 
 NPU SPEED CONFIGURATION  | ||
| 
 Speed  | 
 W1  | 
 W2  | 
| 
 6MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 8MHz  | 
 pins 1 & 2 closed  | 
 pins 3 & 4 closed  | 
| 
 10MHz  | 
 pins 2 & 3 closed  | 
 pins 5 & 6 closed  |