DATA TECHNOLOGY CORPORATION
DTC2278E (400518-89W)
Card Type | Hard drive controller card |
Hard Drives supported | Four EIDE drives |
Floppy drives supported | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
Data Bus | 32-bit VESA Local Bus |
Card Size | Full-length, half-height card |
CONNECTIONS | |||
Function | Location | Function | Location |
9-pin serial port 1 - external | CN1 | 40-pin secondary IDE(AT) connector | J3 |
25-pin parallel port - external | CN2 | 34-pin cable connector - floppy drive | J4 |
2-pin connector - drive active LED | J1 | 16-pin game port | J5 |
40-pin primary IDE(AT) connector | J2 | 10-pin serial port 2 - internal | J7 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Floppy drive order is normal (A:, B:) | W26 | Pins 1 & 2 closed |
Floppy drive order is reversed (B:, A:) | W26 | Pins 2 & 3 closed | |
» | Floppy drive address 3F0-3F7 | W27 | Pins 2 & 3 closed |
Floppy drive address 370-377 | W27 | Pins 1 & 2 closed | |
» | Floppy drive interface enabled | W28 | Pins 1 & 2 closed |
Floppy drive interface disabled | W28 | Pins 2 & 3 closed | |
» | Game port enabled | W46 | Closed |
Game port disabled | W46 | Open |
PARALLEL PORT ADDRESS SELECTION | |||
Setting | W24 | W25 | |
» | LPT1 (378h) | Pins 2 & 3 closed | Pins 1 & 2 closed |
LPT2 (278h) | Pins 1 & 2 closed | Pins 2 & 3 closed | |
LPT3 (3BCh) | Pins 1 & 2 closed | Pins 1 & 2 closed | |
Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
SERIAL PORT 1 ADDRESS SELECTION | |||
Setting | W20 | W21 | |
» | COM1 (3F8h) | 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 | W22 | W23 | |
» | COM2 (2F8h) | Pins 1 & 2 closed | Pins 2 & 3 closed |
COM4 (2E8h) | Pins 2 & 3 closed | Pins 1 & 2 closed | |
Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
SERIAL PORT 1 INTERRUPT SELECTION | ||||
IRQ | W35 | W36 | W37 | |
» | IRQ4 | Closed | Open | Open |
IRQ3 | Open | Closed | Open | |
IRQ5 | Open | Open | Closed |
SERIAL PORT 2 INTERRUPT SELECTION | ||||
IRQ | W38 | W39 | W40 | |
» | IRQ3 | Closed | Open | Open |
IRQ4 | Open | Closed | Open | |
IRQ5 | Open | Open | Closed |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ | W41 | W42 | |
» | IRQ7 | Closed | Open |
IRQ5 | Open | Closed |
PARALLEL PORT MODE SELECTION | ||
Setting | W29 | W30 |
Printer mode | Pins 1 & 2 closed | Pins 1 & 2 closed |
EPP/SPP | Pins 2 & 3 closed | Pins 1 & 2 closed |
EPP/ECP | Pins 1 & 2 closed | Pins 2 & 3 closed |
EXT2FDD | Pins 2 & 3 closed | Pins 2 & 3 closed |
ECP DMA CHANNEL SELECTION | ||
Channel | Label | Position |
1 | W31 | Pins 1 & 2 closed |
3 | W31 | Pins 2 & 3 closed |
PRINTER OUTPUT DIRECTION | |||
Setting | W43 | W44 | W45 |
Output | Closed | Open | Open |
Bi-directional | Open | Open | Open |
DACK1 (DRQ1) | Open | Closed | Open |
DACK3 (DRQ3) | Open | Open | Closed |