DATA TECHNOLOGY CORPORATION
DTC2278EB (400529-89A)
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 |
25-pin parallel port - external |
CN2 |
40-pin secondary IDE(AT) connector |
J6 |
10-pin serial port 2 - internal |
J2 |
40-pin primary IDE(AT) connector |
J7 |
16-pin game port |
J4 |
2-pin connector - drive active LED |
J8 |
34-pin cable connector - floppy drive |
J5 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
Game port enabled |
W6 |
Closed | |
Game port disabled |
W6 |
Open |
ECP DMA CHANNEL SELECTION | ||||
Channel |
W1 |
W2 |
W3 |
W4 |
1 |
Closed |
Open |
Closed |
Open |
3 |
Open |
Closed |
Open |
Closed |
PARALLEL PORT ADDRESS SELECTION | ||
Setting |
W19 |
W20 |
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 ADDRESS SELECTION | ||
Setting |
W23 |
W24 |
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 |
W21 |
W22 |
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 |
BIOS ADDRESS SELECTION | |||
Address |
W18 |
W27 |
W28 |
DC000h |
Closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
D8000h |
Closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
CC000h |
Closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
C8000h |
Closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Disabled |
Open |
Open |
Open |
SERIAL PORT 1 INTERRUPT SELECTION | |||
IRQ |
W12 |
W13 |
W14 |
IRQ4 |
Open |
Open |
Closed |
IRQ3 |
Open |
Closed |
Open |
IRQ5 |
Closed |
Open |
Open |
SERIAL PORT 2 INTERRUPT SELECTION | |||
IRQ |
W9 |
W10 |
W11 |
IRQ3 |
Open |
Open |
Closed |
IRQ4 |
Open |
Closed |
Open |
IRQ5 |
Closed |
Open |
Open |
PARALLEL PORT INTERRUPT SELECTION | ||
IRQ |
W7 |
W8 |
IRQ7 |
Open |
Closed |
IRQ5 |
Closed |
Open |
PARALLEL PORT MODE SELECTION | ||
Setting |
W15 |
W16 |
Uni-directional |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
ECP & EPP |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
EPP & Bi-Directional |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Invalid |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
MISCELLANEOUS TECHNICAL NOTES |
Floppy is automatically enabled when cable is attached |