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 |