DATA TECHNOLOGY CORPORATION
DTC2278E (400518-89A)
|
Data Bus |
32-bit VESA Local Bus |
|
Card Size |
Three-quarter length, half-height card |
|
Hard Drives supported |
Four IDE (AT) or EIDE drives |
|
Floppy drives supported |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
|
CONNECTIONS | |||
|
Function |
Location |
Function |
Location |
|
10-pin serial port 2 - internal |
J2 |
40-pin secondary IDE(AT) connector |
J6 |
|
9-pin serial port 1 - external |
J3 |
40-pin primary IDE(AT) connector |
J7 |
|
16-pin game port |
J4 |
4-pin connector - drive active LED |
J8 |
|
34-pin cable connector - floppy drive |
J5 |
25-pin parallel port - external |
J9 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
| » |
Game port enabled |
W14 |
Closed |
|
Game port disabled |
W14 |
Open | |
|
SERIAL PORT 1 ADDRESS SELECTION | ||||
|
COM |
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 | ||
|
Notes: COM1 & COM3 are automatically configured to IRQ4. COM2 & COM4 are automatically configured to IRQ3. | ||||
|
SERIAL PORT 2 ADDRESS SELECTION | ||||
|
COM |
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 | ||
|
Notes: COM1 & COM3 are automatically configured to IRQ4. COM2 & COM4 are automatically configured to IRQ3. | ||||
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PARALLEL PORT ADDRESS SELECTION | |||
|
LPT |
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 | |
|
PARALLEL PORT MODE CONFIGURATION | |||
|
Mode |
W7 |
W22 | |
|
ECP |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
EPP |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
| » |
Printer |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
Note: You must select a DMA channel when using ECP mode. | |||
|
DMA CONFIGURATION | |||||
|
Mode |
W8 |
W9 |
W10 |
W11 | |
|
1 |
Closed |
Open |
Closed |
Open | |
| » |
3 |
Open |
Closed |
Open |
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 | |||
|
IRQ |
W12 |
W13 | |
| » |
IRQ7 |
Open |
Closed |
|
IRQ5 |
Closed |
Open | |
|
MISCELLANEOUS TECHNICAL NOTES |
|
The floppy controller in automatically configured. When a cable is attached, it is enabled; when no cable is attached it is disabled. |
