DATA TECHNOLOGY CORPORATION
DTC2278VL (900085-89A)
| |
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 |
25-pin parallel port |
J1 |
10-pin serial port 2 |
J2 |
10-pin serial port 1 |
J3 |
16-pin game port |
J4 |
34-pin cable connector - floppy drive |
J5 |
40-pin connector - IDE(AT) interface |
J6 |
4-pin connector - drive active LED |
J7 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
Game port enabled |
W1 |
closed |
Game port disabled |
W1 |
open | |
» |
Parallel port is uni-directional |
W2 |
closed |
Parallel port is bi-directional |
W2 |
open | |
» |
IDE(AT) interface interrupt IRQ14 select |
W9 |
pins 1 & 2 closed |
IDE(AT) interface interrupt IRQ15 select |
W9 |
pins 2 & 3 closed | |
» |
Floppy drive interface enabled |
W10 |
pins 2 & 3 closed |
Floppy drive interface disabled |
W10 |
pins 1 & 2 closed | |
» |
Floppy drive interface address 3F0-3F7h select |
W11 |
pins 1 & 2 closed |
Floppy drive interface address 370-377h select |
W11 |
pins 2 & 3 closed | |
» |
IDE(AT) interface address 1F0-1F7, 3F6-3F7h select |
W12 |
pins 1 & 2 closed |
IDE(AT) interface address 170-177, 376-377h select |
W12 |
pins 2 & 3 closed | |
» |
IDE(AT) interface enabled |
W13 |
pins 2 & 3 closed |
IDE(AT) interface disabled |
W13 |
pins 1 & 2 closed |
PRIMARY SERIAL PORT ADDRESS SELECTION | |||
COM |
W7 |
W8 | |
» |
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 |
SECONDARY SERIAL PORT ADDRESS SELECTION | |||
COM |
W5 |
W6 | |
» |
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 ADDRESS SELECTION | |||
LPT |
W3 |
W4 | |
» |
LPT1 (378h) |
pins 1 & 2 closed |
pins 2 & 3 closed |
LPT2 (278h) |
pind 2 & 3 closed |
pins 1 & 2 closed | |
LPT3 (3BCh) |
pins 2 & 3 closed |
pins 2 & 3 closed | |
Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed |
IDE DATA TRANSFER RATE (FOR >33MHZ VL-BUS SYSTEMS) | |||||
Rate (MBps) |
W14 |
W15 |
W16 |
W17 |
W18 |
3.3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
3.6 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
3.8 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
4.2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
4.5 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
5.0 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
5.6 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
6.3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
7.2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
Note: Pins designated are in the closed position. If the transfer rate of the drive you are using in your sytem does not exactly match one of the rates listed above, select the rate which is closest to but below the actual rate of the drive. |
IDE DATA TRANSFER RATE (FOR <=33MHZ VL-BUS SYSTEMS) | ||||||
Rate (MBps) |
W14 |
W15 |
W16 |
W17 |
W18 | |
» |
3.9 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
3.3 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 | |
3.5 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 | |
3.7 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 | |
4.2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
4.4 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
4.8 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
5.1 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
5.6 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
6.1 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
6.7 |
pins 1 &2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
7.4 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
8.3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
Note: Pins designated are in the closed position. If the transfer rate of the drive you are using in your sytem does not exactly match one of the rates listed above, select the rate which is closest to but below the actual rate of the drive. |
PRIMARY SERIAL PORT INTERRUPT SELECTION | ||||
IRQ |
W19 |
W20 |
W21 | |
» |
IRQ4 |
closed |
open |
open |
IRQ3 |
open |
closed |
open | |
IRQ5 |
open |
open |
closed |
SECONDARY SERIAL PORT INTERRUPT SELECTION | ||||
IRQ |
W22 |
W23 |
W24 | |
» |
IRQ3 |
closed |
open |
open |
IRQ4 |
open |
closed |
open | |
IRQ5 |
open |
open |
closed |
PARALLEL PORT INERRUPT SELECTION | |||
IRQ |
W25 |
W26 | |
» |
IRQ7 |
closed |
open |
IRQ5 |
open |
closed |