DATA TECHNOLOGY CORPORATION
DTC2278EB (400523-89A)
| 
 Card Type  | 
 Hard drive controller card  | 
| 
 Hard drives supported  | 
 Four IDE(AT) interface drives  | 
| 
 Floppy drives supported  | 
 Two 360KB, 720KB, 1.2MB, 1.44MB drives  | 
| 
 Data-bus  | 
 32-bit VESA Local Bus  | 
| 
 Size  | 
 Full-length, half-height card  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 25-pin parallel port - external  | 
 J1  | 
 34-pin control cable connector - floppy drive  | 
 J5  | 
| 
 10-pin serial port 2 - internal  | 
 J2  | 
 40-pin IDE(AT) secondary interface connector  | 
 J6  | 
| 
 9-pin serial port 1 - external  | 
 J3  | 
 40-pin IDE(AT) primary interface connector  | 
 J7  | 
| 
 16-pin game port - internal  | 
 J4  | 
 Drive active LED  | 
 J8  | 
| 
 USER CONFIGURABLE CONNECTIONS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Game port enabled  | 
 W29  | 
 Closed  | 
| 
 Game port disabled  | 
 W29  | 
 Open  | |
| » | 
 Floppy drive interface enabled  | 
 W30  | 
 Pins 1 & 2 closed  | 
| 
 Floppy drive interface disabled  | 
 W30  | 
 Pins 2 & 3 closed  | |
| 
 SERIAL PORT 1 ADDRESS SELECTION  | |||
| 
 Setting  | 
 W22  | 
 W23  | |
| » | 
 COM1 (3F8h)  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 COM2 (2F8h)  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | |
| 
 COM3 (3E8h)  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | |
| 
 Disabled  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | |
| 
 SERIAL PORT 2 ADDRESS SELECTION  | ||
| 
 Setting  | 
 W20  | 
 W21  | 
| 
 COM1 (3F8h)  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 COM2 (2F8h)  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 COM4 (2E8h)  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 Disabled  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 PARALLEL PORT ADDRESS SELECTION  | ||
| 
 Setting  | 
 W18  | 
 W19  | 
| 
 LPT1 (378h)  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
| 
 LPT2 (278h)  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 LPT3 (3BCh)  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 Disabled  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
| 
 SERIAL PORT 1 INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 W15  | 
 W16  | 
 W17  | |
| 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | |
| » | 
 IRQ4  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 IRQ5  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 SERIAL PORT 2 INTERRUPT SELECTION  | ||||
| 
 IRQ  | 
 W12  | 
 W13  | 
 W14  | |
| » | 
 IRQ3  | 
 Open  | 
 Open  | 
 Closed  | 
| 
 IRQ4  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 IRQ5  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 PARALLEL PORT INTERRUPT SELECTION  | |||
| 
 IRQ  | 
 W10  | 
 W11  | |
| 
 IRQ5  | 
 Closed  | 
 Open  | |
| » | 
 IRQ7  | 
 Open  | 
 Closed  | 
| 
 BIOS ADDRESS SELECTION  | |||
| 
 Address  | 
 W7  | 
 W8  | 
 W24  | 
| 
 C8000h-CBFFFh  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Closed  | 
| 
 CC000h-CFFFFh  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
 Closed  | 
| 
 D8000h-DBFFFh  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
 Closed  | 
| 
 DC000h-DFFFFh  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Closed  | 
| 
 Disabled  | 
 Open  | 
 Open  | 
 Open  | 
| 
 DMA CHANNEL SELECTION  | ||||
| 
 Channel  | 
 W1  | 
 W2  | 
 W3  | 
 W4  | 
| 
 1  | 
 Closed  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 3  | 
 Open  | 
 Closed  | 
 Open  | 
 Closed  | 
| 
 PARALLEL PORT MODE SELECTION  | |||
| 
 Setting  | 
 W9  | 
 W25  | 
 W31  | 
| 
 Bidirectional /ECP  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | 
 Closed  | 
| 
 Bidirectional /EPP  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
 Open  | 
| 
 Uni-directional  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | 
 Open  | 
| 
 EPP & ECP  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
 Closed  |