DATA TECHNOLOGY CORPORATION
DTC2278D+ (400537-89A)
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 |
W14 |
Closed | |
Game port disabled |
W14 |
Open |
SERIAL PORT 1 ADDRESS SELECTION | |||
Setting |
W5 |
W6 | |
COM1 (3F8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
COM3 (3E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
SERIAL PORT 2 ADDRESS SELECTION | |||
Setting |
W3 |
W4 | |
COM2 (2F8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
COM4 (2E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
PARALLEL PORT ADDRESS SELECTION | ||
Setting |
W1 |
W2 |
LPT1 (378h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
LPT2 (278h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
LPT3 (3BCh) |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
SERIAL PORT 1 INTERRUPT SELECTION | ||||
IRQ |
W19 |
W20 |
W21 | |
IRQ3 |
Open |
Closed |
Open | |
IRQ4 |
Open |
Open |
Closed | |
IRQ5 |
Closed |
Open |
Open |
SERIAL PORT 2 INTERRUPT SELECTION | ||||
IRQ |
W16 |
W17 |
W18 | |
IRQ3 |
Open |
Open |
Closed | |
IRQ4 |
Open |
Closed |
Open | |
IRQ5 |
Closed |
Open |
Open |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ |
W12 |
W13 | |
IRQ5 |
Closed |
Open | |
IRQ7 |
Open |
Closed |
MISCELLANEOUS TECHNICAL NOTES |
The parallel port on the DTC2278D+ only supports bidirectional mode. |