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 |