DATA TECHNOLOGY CORPORATION
DTC2278EB (400523-89A)
|
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 |
W29 |
Closed | |
|
Game port disabled |
W29 |
Open | |
|
Floppy drive interface enabled |
W30 |
Pins 1 & 2 closed | |
|
Floppy drive interface disabled |
W30 |
Pins 2 & 3 closed | |
|
SERIAL PORT 1 ADDRESS SELECTION | |||
|
Setting |
W22 |
W23 | |
|
COM1 (3F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
COM2 (2F8h) |
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 |
W20 |
W21 |
|
COM1 (3F8h) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
COM2 (2F8h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
COM4 (2E8h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
PARALLEL PORT ADDRESS SELECTION | ||
|
Setting |
W18 |
W19 |
|
LPT1 (378h) |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
LPT2 (278h) |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
LPT3 (3BCh) |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
SERIAL PORT 1 INTERRUPT SELECTION | ||||
|
IRQ |
W15 |
W16 |
W17 | |
|
IRQ3 |
Open |
Closed |
Open | |
|
IRQ4 |
Open |
Open |
Closed | |
|
IRQ5 |
Closed |
Open |
Open | |
|
SERIAL PORT 2 INTERRUPT SELECTION | ||||
|
IRQ |
W12 |
W13 |
W14 | |
|
IRQ3 |
Open |
Open |
Closed | |
|
IRQ4 |
Open |
Closed |
Open | |
|
IRQ5 |
Closed |
Open |
Open | |
|
PARALLEL PORT INTERRUPT SELECTION | |||
|
IRQ |
W10 |
W11 | |
|
IRQ5 |
Closed |
Open | |
|
IRQ7 |
Open |
Closed | |
|
BIOS ADDRESS SELECTION | |||
|
Address |
W7 |
W8 |
W24 |
|
C8000h-CBFFFh |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Closed |
|
CC000h-CFFFFh |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Closed |
|
D8000h-DBFFFh |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Closed |
|
DC000h-DFFFFh |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Closed |
|
Disabled |
Open |
Open |
Open |
|
DMA CHANNEL SELECTION | ||||
|
Channel |
W1 |
W2 |
W3 |
W4 |
|
1 |
Closed |
Open |
Closed |
Open |
|
3 |
Open |
Closed |
Open |
Closed |
|
PARALLEL PORT MODE SELECTION | |||
|
Setting |
W9 |
W25 |
W31 |
|
Bidirectional /ECP |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Closed |
|
Bidirectional /EPP |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Open |
|
Uni-directional |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Open |
|
EPP & ECP |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Closed |