DTK COMPUTER, INC.
PTI-227
| 
 | 
Data bus: 16-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Two IDE (AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB or 1.44MB drives
 
| CONNECTIONS | |
| Function | Location | 
| 40-pin IDE (AT) Interface connector | JP1 | 
| 2-pin connector-Drive Active LED | JP2 | 
| 34-pin control cable connector-floppy drive | JP9 | 
| 15-pin game port-internal | JP10 | 
| 9-pin serial port 2 (COM2)-internal | JP11 | 
| 9-pin serial port 1 (COM1)-external | JP12 | 
| 25-pin parallel port-external | JP13 | 
| USER CONFIGURABLE SETTINGS | |||
| Function | Location | Setting | |
| » | Single IDE drive on chain | JP3 | closed | 
| Two IDE drives on chain | JP3 | open | |
| » | Parallel port (CN13) is an output port | JP4 | closed | 
| Parallel port (CN13) is an input or output port | JP4 | open | |
| » | Supports IBM BIOS | JP5 | pins 2 & 3 closed | 
| Supports other BIOS | JP5 | pins 1 & 2 closed | |
| » | Hard drive port address is 1F0-1F7h, 3F6-3F7h | JP7/jumper 1 | pins 1 & 2 closed | 
| Hard drive port address is 170-177h, 376-377h | JP7/jumper 1 | pins 2 & 3 closed | |
| » | Floppy drive assignment changed (A: = B:; B: = A:) | JP7/jumper 2 | pins 1 & 2 closed | 
| Floppy drive assignment normal | JP7/jumper 2 | pins 2 & 3 closed | |
| » | Floppy drive port address is 3F0-3F7h | JP7/jumper 3 | pins 1 & 2 closed | 
| Floppy drive port address is 370-377h | JP7/jumper 3 | pins 2 & 3 closed | |
| » | Hard drive enabled | JP7/jumper 4 | pins 2 & 3 closed | 
| Hard drive disabled | JP7/jumper 4 | pins 1 & 2 closed | |
| » | Floppy drive enabled | JP7/jumper 5 | pins 2 & 3 closed | 
| Floppy drive disabled | JP7/jumper 5 | pins 1 & 2 closed | |
| » | AT compatible | JP7/jumper 6 | pins 2 & 3 closed | 
| XT compatible | JP7/jumper 6 | pins 1 & 2 closed | |
| SERIAL PORT 1 CONFIGURATION | |||
| COM | JP6/jumper 1 | JP6/jumper 2 | |
| » | COM1 (3F8) | pins 2 & 3 closed | pins 1 & 2 closed | 
| COM3 (3E8) | pins 1 & 2 closed | pins 2 & 3 closed | |
| COM4 (2E8) | pins 2 & 3 closed | pins 2 & 3 closed | |
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed | |
| SERIAL PORT 1 INTERRUPT REQUEST | ||||
| IRQ | JP8/jumper 1 | JP8/jumper 2 | JP8/jumper 3 | |
| » | IRQ4 | closed | open | open | 
| IRQ3 | open | cloqed | open | |
| IRQ5 | open | open | closed | |
| SERIAL PORT 2 CONFIGURATION | |||
| COM | JP6/jumper 3 | JP6/jumper 4 | |
| » | COM2 (2F8) | pins 2 & 3 closed | pins 1 & 2 closed | 
| COM3 (3E8) | pins 2 & 3 closed | pins 2 & 3 closed | |
| COM4 (2E8) | pins 1 & 2 closed | pins 2 & 3 closed | |
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed | |
| SERIAL PORT 2 INTERRUPT REQUEST | ||||
| IRQ | JP8/jumper 4 | JP8/jumper 5 | JP8/jumper 6 | |
| » | IRQ3 | closed | open | open | 
| IRQ4 | open | closed | open | |
| IRQ5 | open | open | closed | |
| PARALLEL PORT CONFIGURATION | |||
| LPT | JP6/jumper 5 | JP6/jumper 6 | |
| » | LPT1 (378) | pins 1 & 2 closed | pins 2 & 3 closed | 
| LPT1 (3BC) | pins 2 & 3 closed | pins 2 & 3 closed | |
| LPT2 (278) | pins 2 & 3 closed | pins 1 & 2 closed | |
| Disabled | pins 1 & 2 closed | pins 1 & 2 closed | |
| PARALLEL PORT INTERRUPT REQUEST | |||
| IRQ | JP8/jumper 5 | JP8/jumper 6 | |
| » | IRQ7 | closed | open | 
| IRQ5 | open | closed | |