DATA TECHNOLOGY CORPORATION
DTC2278S
| |
Data bus: |
32-bit VL-Bus |
Size: |
Three/quarter-length, half-height card |
Hard drive supported: |
Two IDE(AT) interface drives |
Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, 1.44MB drives |
CONNECTIONS | |
Function |
Location |
10-pin serial port 2 - internal |
J2 |
9-pin serial port 1 - external (via ribbon cable) |
J3 |
16-pin game port |
J4 |
34-pin cable connector - floppy drive |
J5 |
40-pin connector - secondary IDE(AT) interface |
J6 |
40-pin connector - primary IDE(AT) interface |
J7 |
4-pin connector - drive active LED |
J8 |
25-pin parallel port - external |
J9 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
Floppy drive interface enabled |
W7 |
pins 2 & 3 closed |
Floppy drive interface disabled |
W7 |
pins 1 & 2 closed | |
» |
Game port enabled |
W8 |
closed |
Game port disabled |
W8 |
open | |
» |
Parallel port is uni-directional |
W17 |
closed |
Parallel port is bi-directional |
W17 |
open |
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 |
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 | |
COM4 (2E8h) |
pins 2 & 3 closed |
pins 2 & 3 closed | |
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
SERIAL PORT 2 ADDRESS SELECTION | |||
COM |
W3 |
W4 | |
» |
COM2 (2F8h) |
pins 1 & 2 closed |
pins 2 & 3 closed |
COM3 (3E8h) |
pins 2 & 3 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 INTERRUPT | |||
IRQ |
W9 |
W10 | |
» |
IRQ7 |
open |
closed |
IRQ5 |
closed |
open |
SERIAL PORT 1 INTERRUPT SELECT | ||||
IRQ |
W14 |
W15 |
W16 | |
» |
IRQ4 |
open |
open |
closed |
IRQ3 |
open |
closed |
open | |
IRQ5 |
closed |
open |
open |
SERIAL PORT 2 INTERRUPT SELECT | ||||
IRQ |
W11 |
W12 |
W13 | |
» |
IRQ3 |
open |
open |
closed |
IRQ4 |
open |
closed |
open | |
IRQ5 |
closed |
open |
open |