DATA TECHNOLOGY CORPORATION
DTC2278VL (900085-89B/D)
| |
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 or 1.44MB drives |
CONNECTIONS | |
Function |
Location |
4-pin connector - drive active LED |
J1 |
40-pin IDE (AT) interface connector - port 1 |
J2 |
34-pin control cabled connector - floppy drive |
J3 |
Game port |
J4 |
9-pin serial port 2 - external |
J5 |
10-pin serial port 1 - internal |
J6 |
25-pin parallel port |
J7 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
IDE IRQ14 enabled |
W6 |
pins 1 & 2 closed |
IDE IRQ15 enabled |
W6 |
pins 2 & 3 closed | |
» |
Parallel port is output only |
W17 |
pins 1 & 2 closed |
Parallel port is input/output |
W17 |
pins 2 & 3 closed | |
» |
Game port enabled |
W26 |
closed |
Game port disabled |
W26 |
open |
IDE DATA TRANSFER RATES (FOR 33MHZ VL-BUS PC) | ||||||
Rate |
W1 |
W2 |
W3 |
W4 |
W5 | |
» |
3.9MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
3.3MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
3.5MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 | |
3.7MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
4.2MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
4.4MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 | |
4.8MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
5.1MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
5.6MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
6.1MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
6.7MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
7.4MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
8.3MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
Note:The pins indicated should be closed. |
IDE DATA TRANSFER RATES (FOR NON-33MHZ VL-BUS PC) | |||||
Rate |
W1 |
W2 |
W3 |
W4 |
W5 |
3.3MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
3.6MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
3.8MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
4.2MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
4.5MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
5.0MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
5.6MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
6.3MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
7.2MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
Note:The pins indicated should be closed. |
FLOPPY DRIVE CONFIGURATION | |||
Address |
W7 |
W10 | |
» |
3F0h |
pins 2 & 3 closed |
pins 1 & 2 closed |
370h |
pins 1& 2 closed |
pins 1 & 2 closed | |
Disabled |
N/A |
pins 2 & 3 closed |
IDE CONFIGURATION | |||
Address |
W8 |
W9 | |
» |
1F0h |
pins 2 & 3 closed |
pins 1 & 2 closed |
170h |
pins 1& 2 closed |
pins 1 & 2 closed | |
Disabled |
N/A |
pins 2 & 3 closed |
SERIAL PORT 1 CONFIGURATION | |||
COM/Address |
W11 |
W12 | |
» |
COM1/3F8h |
pins 1 & 2 closed |
pins 2 & 3 closed |
COM3/3E8h |
pins 2 & 3 closed |
pins 1 & 2 closed | |
COM4/2E8h |
pins 1& 2 closed |
pins 1 & 2 closed | |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
SERIAL PORT 1 INTERRUPT SELECT | ||||
IRQ |
W18 |
W19 |
W20 | |
» |
IRQ4 |
closed |
open |
open |
IRQ3 |
open |
closed |
open | |
IRQ5 |
open |
open |
closed | |
Disabled |
open |
open |
open |
SERIAL PORT 2 CONFIGURATION | |||
COM/Address |
W13 |
W14 | |
» |
COM2/2F8h |
pins 1 & 2 closed |
pins 2 & 3 closed |
COM3/3E8h |
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 |
SERIAL PORT 2 INTERRUPT SELECT | ||||
IRQ |
W21 |
W22 |
W23 | |
» |
IRQ3 |
closed |
open |
open |
IRQ4 |
open |
closed |
open | |
IRQ5 |
open |
open |
closed | |
Disabled |
open |
open |
open |
PARALLEL PORT CONFIGURATION | |||
LPT/Address |
W15 |
W16 | |
» |
LPT1/378h |
pins 2 & 3 closed |
pins 1& 2 closed |
LPT2/278h |
pins 1& 2 closed |
pins 2 & 3 closed | |
LPT3/3BCh |
pins 1& 2 closed |
pins 1 & 2 closed | |
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed |
PARALLEL PORT INTERRUPT SELECT | |||
IRQ |
W24 |
W25 | |
» |
IRQ7 |
closed |
open |
IRQ5 |
open |
closed | |
Disabled |
open |
open |