DATA TECHNOLOGY CORPORATION
DTC2278D (400544-89A)
| 
 Card Type  | 
 Hard drive controller card  | 
| 
 Data-bus  | 
 32-bit VESA Local Bus  | 
| 
 Size  | 
 Full-length, half-height card  | 
| 
 Hard drives supported  | 
 Four IDE(AT) interface drives  | 
| 
 Floppy drives supported  | 
 Two 360KB, 720KB, 1.2MB, 1.44MB drives  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Drive active LED  | 
 J1  | 
 16-pin game port - internal  | 
 J5  | 
| 
 40-pin IDE(AT) primary interface connector  | 
 J2  | 
 9-pin serial port 1 - external  | 
 J6  | 
| 
 40-pin IDE(AT) secondary interface connector  | 
 J3  | 
 10-pin serial port 2 - internal  | 
 J7  | 
| 
 34-pin control cable connector - floppy drive  | 
 J4  | 
 25-pin parallel port - external  | 
 J8  | 
| 
 USER CONFIGURABLE CONNECTIONS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Floppy drive interface enabled  | 
 W2  | 
 Open  | 
| 
 Floppy drive interface disabled  | 
 W2  | 
 Closed  | |
| » | 
 Parallel port is uni-directional  | 
 W3  | 
 Closed  | 
| 
 Parallel port is bi-directional  | 
 W3  | 
 Open  | |
| » | 
 Game port enabled  | 
 W4  | 
 Open  | 
| 
 Game port disabled  | 
 W4  | 
 Closed  | |
| » | 
 Parallel port address is 378h (LPT1)  | 
 W5  | 
 Open  | 
| 
 Parallel port address is 278 (LPT2)  | 
 W5  | 
 Closed  | |
| » | 
 Serial port 1 address is 3F8h (COM1)  | 
 W6  | 
 Open  | 
| 
 Serial port 1 address is 3E8h (COM3)  | 
 W6  | 
 Closed  | |
| » | 
 Serial port 1 enabled  | 
 W7  | 
 Open  | 
| 
 Serial port 1 disabled  | 
 W7  | 
 Closed  | |
| » | 
 Parallel port enabled  | 
 W8  | 
 Open  | 
| 
 Parallel port disabled  | 
 W8  | 
 Closed  | |
| » | 
 Serial port 2 address is 2F8h (COM2)  | 
 W9  | 
 Open  | 
| 
 Serial port 2 address is 2E8h (COM4)  | 
 W9  | 
 Closed  | |
| » | 
 Serial port 2 enabled  | 
 W10  | 
 Open  | 
| 
 Serial port 2 disabled  | 
 W10  | 
 Closed  | |
| 
 SERIAL PORT 1 INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 W11  | 
 W12  | 
 W13  | |
| 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | |
| » | 
 IRQ4  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 SERIAL PORT 2 INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 W14  | 
 W15  | 
 W16  | |
| » | 
 IRQ3  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 IRQ4  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 PARALLEL PORT INTERRUPT SELECTION  | |||
| 
 IRQ  | 
 W17  | 
 W18  | |
| 
 IRQ5  | 
 Open  | 
 Closed  | |
| » | 
 IRQ7  | 
 Closed  | 
 Open  |