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 | |