DATA TECHNOLOGY CORPORATION
DTC2280E (400572-898)
| 
 Data-bus  | 
 16-bit ISA  | 
| 
 Hard drives supported  | 
 Two IDE(AT) interface drives  | 
| 
 Floppy drives supported  | 
 Two 360KB, 720KB, 1.2MB, 1.44MB drives  | 
| 
 Size  | 
 Half-length, full-height card  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Unidentified  | 
 JP1  | 
 10-pin serial port 1 - internal  | 
 JP5  | 
| 
 25-pin parallel port - external  | 
 JP2  | 
 34-pin control cable connector - floppy drive  | 
 JP6  | 
| 
 16-pin game port - internal  | 
 JP3  | 
 40-pin IDE(AT) interface connector  | 
 JP7  | 
| 
 10-pin serial port 2 - internal  | 
 JP4  | 
 Drive active LED  | 
 JP8  | 
| 
 USER CONFIGURABLE CONNECTIONS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Factory configured - do not alter  | 
 W2  | 
 Unidentified  | 
| » | 
 Factory configured - do not alter  | 
 W3  | 
 Unidentified  | 
| » | 
 Game port enabled  | 
 W7  | 
 Pins 1 & 2 closed  | 
| 
 Game port disabled  | 
 W7  | 
 Pins 2 & 3 closed  | |
| » | 
 Parallel port IRQ7 enabled  | 
 W9  | 
 Pins 2 & 3 closed  | 
| 
 Parallel port IRQ5 enabled  | 
 W9  | 
 Pins 1 & 2 closed  | |
| » | 
 Serial port 2 enabled  | 
 W12  | 
 Pins 1 & 2 closed  | 
| 
 Serial port 2 disabled  | 
 W12  | 
 Pins 2 & 3 closed  | |
| » | 
 Parallel port address is 378h (LPT1)  | 
 W13  | 
 Pins 1 & 2 closed  | 
| 
 Parallel port address is 278h (LPT2)  | 
 W13  | 
 Pins 2 & 3 closed  | |
| » | 
 Serial port 2 address is 2F8h (COM2)  | 
 W14  | 
 Pins 1 & 2 closed  | 
| 
 Serial port 2 address is 2E8h (COM4)  | 
 W14  | 
 Pins 2 & 3 closed  | |
| » | 
 Floppy drive interface enabled  | 
 W15  | 
 Pins 1 & 2 closed  | 
| 
 Floppy drive interface disabled  | 
 W15  | 
 Pins 2 & 3 closed  | |
| » | 
 IDE(AT) interface enabled  | 
 W16  | 
 Pins 1 & 2 closed  | 
| 
 IDE(AT) interface disabled  | 
 W16  | 
 Pins 2 & 3 closed  | |
| » | 
 Serial port 1 enabled  | 
 W17  | 
 Pins 1 & 2 closed  | 
| 
 Serial port 1 disabled  | 
 W17  | 
 Pins 2 & 3 closed  | |
| 
 CONNECTIONS (CONTINUED)  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Serial port 1 address is 3F8h (COM1)  | 
 W19  | 
 Pins 1 & 2 closed  | 
| 
 Serial port 1 address is 3E8h (COM3)  | 
 W19  | 
 Pins 2 & 3 closed  | |
| » | 
 IDE(AT) interface address 1F0 - 1F7h  | 
 W20  | 
 Pins 1 & 2 closed  | 
| 
 IDE(AT) interface address 170 - 177h  | 
 W20  | 
 Pins 2 & 3 closed  | |
| 
 SERIAL PORT 1 INTERRUPT SELECTION  | ||||||
| 
 IRQ  | 
 W5/ pins 1 & 3  | 
 W5/ pins 2 & 4  | 
 W5/ pins 3 & 5  | 
 W5/ pins 4 & 6  | 
 W10  | |
| » | 
 IRQ4  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 Pins 2 & 3 closed  | 
| 
 IRQ5  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 Pins 1 & 2 closed  | |
| 
 IRQ9  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ10  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 IRQ11  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ12  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 SERIAL PORT 2 INTERRUPT SELECTION  | ||||||
| 
 IRQ  | 
 W4/ pins 1 & 3  | 
 W4/ pins 2 & 4  | 
 W4/ pins 3 & 5  | 
 W4/ pins 4 & 6  | 
 W8  | |
| » | 
 IRQ3  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 Pins 2 & 3 closed  | 
| 
 IRQ4  | 
 N/A  | 
 N/A  | 
 N/A  | 
 N/A  | 
 Pins 1 & 2 closed  | |
| 
 IRQ9  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ10  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 IRQ11  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ12  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 IDE(AT) INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 W6/pins 1 & 3  | 
 W6/pins 2 & 4  | 
 W6/pins 3 & 5  | 
 W6/pins 4 & 6  | 
| 
 IRQ11  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 IRQ12  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ14  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 IRQ15  | 
 Closed  | 
 Open  | 
 Open  | 
 OPen  | 
| 
 DMA CHANNEL SELECTION  | ||||
| 
 Channel  | 
 W1/A  | 
 W1/B  | 
 W1/C  | 
 W1/D  | 
| 
 1  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 3  | 
 Closed  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 PARALLEL PORT MODE SELECTION  | ||
| 
 Setting  | 
 W11  | 
 W18  | 
| 
 Bi-Directional /ECP  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 EPP  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 Uni-directional  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 Disabled  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  |