DATA TECHNOLOGY CORPORATION
DTC2278EB
| |
Data bus: |
32-bit VL-Bus |
Size: |
Three/quarter-length, half-height card |
Hard drive supported: |
Four IDE(AT) or EIDE 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 |
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 | |
» |
Game port enabled |
W29 |
closed |
Game port disabled |
W29 |
open | |
» |
Floppy controller enabled |
W30/pins 1 & 2 |
closed |
Floppy controller disabled |
W30/pins 2 & 3 |
closed |
BIOS ADDRESS SELECTION | ||||
Address |
W7 |
W8 |
W24 | |
» |
C8000-CBFFFh |
pins 2 & 3 closed |
pins 2 & 3 closed |
closed |
CC000-CFFFFh |
pins 2 & 3 closed |
pins 1 & 2 closed |
closed | |
D8000-DBFFFh |
pins 1 & 2 closed |
pins 2 & 3 closed |
closed | |
DC000-DFFFFh |
pins 1 & 2 closed |
pins 1 & 2 closed |
closed | |
Disabled |
N/A |
N/A |
open |
PARALLEL PORT ADDRESS SELECTION | |||
LPT |
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 ADDRESS SELECTION | |||
COM |
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 | |||
COM |
W20 |
W21 | |
» |
COM2 (2F8h) |
pins 1 & 2 closed |
pins 1 & 2 closed |
COM1 (3F8h) |
pins 1 & 2 closed |
pins 2 & 3 closed | |
COM4 (2E8h) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
SERIAL PORT 1 INTERRUPT SELECTION | ||||
IRQ |
W15 |
W16 |
W17 | |
» |
IRQ4 |
open |
open |
closed |
IRQ3 |
open |
closed |
open | |
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 | |
» |
IRQ7 |
open |
closed |
IRQ5 |
closed |
open |
PARALLEL PORT MODE CONFIGURATION | |||
Mode |
W9 |
W25 |
W31 |
Printer (uni-directional) |
pins 2 & 3 closed |
pins 2 & 3 closed |
open |
EPP & bi-directional |
pins 1 & 2 closed |
pins 2 & 3 closed |
open |
ECP & bi-directional |
pins 2 & 3 closed |
pins 1 & 2 closed |
closed |
EPP & ECP |
pins 1 & 2 closed |
pins 1 & 2 closed |
closed |
Note: You must select a DMA channel when using ECP mode. |
DMA SELECTION | ||||
Channel |
W1 |
W2 |
W3 |
W4 |
1 |
closed |
open |
closed |
open |
3 |
open |
closed |
open |
closed |