DTK COMPUTER, INC.
PPM-1661D(S)/PPM-2061D(S)/PPM-2561D(S)
| 
 Processor  | 
 80386SX  | 
| 
 Processor Speed  | 
 16/20/25MHz  | 
| 
 Chip Set  | 
 DTK  | 
| 
 Video Chip Set  | 
 None  | 
| 
 Maximum Onboard Memory  | 
 8MB  | 
| 
 Maximum Video Memory  | 
 None  | 
| 
 Cache  | 
 None  | 
| 
 BIOS  | 
 AMI/DTK  | 
| 
 Dimensions  | 
 333mm x 222mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), game interface  | 
| 
 NPU Options  | 
 80387SX  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port  | 
 CN1  | 
 Reset switch  | 
 J6  | 
| 
 Serial port  | 
 CN2  | 
 External battery  | 
 J7  | 
| 
 Parallel port  | 
 CN3  | 
 Game interface  | 
 J13  | 
| 
 PS/2 mouse port  | 
 CN4  | 
 IDE interface LED  | 
 J15  | 
| 
 Power LED & keylock  | 
 J1  | 
 IDE interface  | 
 J16  | 
| 
 Turbo switch  | 
 J3  | 
 Floppy drive interface  | 
 J17  | 
| 
 Turbo LED  | 
 J5  | 
 Riser slot  | 
 SL1  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| 
 »  | 
 NPU not installed  | 
 J8  | 
 Closed  | 
| 
 NPU installed  | 
 J8  | 
 Open  | |
| 
 »  | 
 Floppy drive interface enabled  | 
 J19 pins 3 & 4  | 
 Closed  | 
| 
 Floppy drive interface disabled  | 
 J19 pins 3 & 4  | 
 Open  | |
| 
 »  | 
 IDE interface disabled  | 
 J19 pins 13 & 14  | 
 Open  | 
| 
 IDE interface enabled  | 
 J19 pins 13 & 14  | 
 Closed  | |
| 
 Game port enabled  | 
 J19 pins 15 & 16  | 
 Closed  | |
| 
 Game port disabled  | 
 J19 pins 15 & 16  | 
 Open  | |
| 
 »  | 
 BIOS type select 27256  | 
 W7  | 
 Pins 1 & 2 closed  | 
| 
 BIOS type select 27128  | 
 W7  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 NPU clock input select 387CLK = 386CLK  | 
 W10  | 
 Open  | 
| 
 NPU clock input select 387CLK = 386CLK/3  | 
 W10  | 
 Closed  | |
| 
 »  | 
 Battery type select external  | 
 W11  | 
 Pins 1 & 2 closed  | 
| 
 Battery type select internal  | 
 W11  | 
 Pins 2 & 3 closed  | |
| 
 »  | 
 Monitor type select monochrome  | 
 W12  | 
 Pins 1 & 2 closed  | 
| 
 Monitor type select color  | 
 W12  | 
 Pins 2 & 3 closed  | |
| 
 DRAM CONFIGURATION  | ||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 Bank 2  | 
 Bank 3  | 
| 
 512KB  | 
 (2) 256K x 9  | 
 None  | 
 None  | 
 None  | 
| 
 1MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 None  | 
 None  | 
| 
 1.5MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 None  | 
| 
 2MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
| 
 2MB  | 
 (2) 1M x 9  | 
 None  | 
 None  | 
 None  | 
| 
 3MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 None  | 
| 
 4MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 None  | 
 None  | 
| 
 5MB  | 
 (2) 256K x 9  | 
 (2) 256K x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 6MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 None  | 
| 
 8MB  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
 (2) 1M x 9  | 
| 
 PARALLEL PORT ADDRESS/IRQ SELECTION  | ||||
| 
 Setting  | 
 IRQ  | 
 J19 pins 5 & 6  | 
 J19 pins 7 & 8  | |
| » | 
 LPT1  | 
 IRQ7  | 
 Open  | 
 Closed  | 
| 
 LPT2  | 
 IRQ5  | 
 Closed  | 
 Open  | |
| 
 Disabled  | 
 None  | 
 Open  | 
 Open  | |
| 
 SERIAL PORT SELECTION  | |||||||
| 
 Port 1  | 
 Port 2  | 
 IRQ3  | 
 IRQ4  | 
 J19 pins 1&2  | 
 J19 pins 9&10  | 
 J19 pins 11&12  | |
| » | 
 COM1  | 
 COM2  | 
 COM2  | 
 COM1  | 
 Closed  | 
 Closed  | 
 Closed  | 
| 
 COM3  | 
 COM4  | 
 COM4  | 
 COM3  | 
 Open  | 
 Closed  | 
 Closed  | |
| 
 COM1  | 
 Disabled  | 
 Available  | 
 COM1  | 
 Closed  | 
 Closed  | 
 Open  | |
| 
 Disabled  | 
 COM2  | 
 COM2  | 
 Available  | 
 Closed  | 
 Open  | 
 Closed  | |
| 
 COM3  | 
 Disabled  | 
 Available  | 
 COM3  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 Disabled  | 
 COM4  | 
 COM4  | 
 Available  | 
 Open  | 
 Open  | 
 Closed  | |