DATA TECHNOLOGY CORPORATION
DTC2278VL (900085-89B/D)
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Data bus: |
32-bit, VL-bus |
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Size: |
Three/quarter-length, half-height card |
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Hard drive supported: |
Two IDE (AT) interface drives |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB or 1.44MB drives |
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CONNECTIONS | |
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Function |
Location |
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4-pin connector - drive active LED |
J1 |
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40-pin IDE (AT) interface connector - port 1 |
J2 |
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34-pin control cabled connector - floppy drive |
J3 |
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Game port |
J4 |
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9-pin serial port 2 - external |
J5 |
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10-pin serial port 1 - internal |
J6 |
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25-pin parallel port |
J7 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
IDE IRQ14 enabled |
W6 |
pins 1 & 2 closed |
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IDE IRQ15 enabled |
W6 |
pins 2 & 3 closed | |
| » |
Parallel port is output only |
W17 |
pins 1 & 2 closed |
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Parallel port is input/output |
W17 |
pins 2 & 3 closed | |
| » |
Game port enabled |
W26 |
closed |
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Game port disabled |
W26 |
open | |
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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 |
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3.3MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
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3.5MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 | |
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3.7MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
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4.2MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
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4.4MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 | |
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4.8MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 | |
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5.1MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
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5.6MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
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6.1MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
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6.7MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
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7.4MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 | |
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8.3MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 | |
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Note:The pins indicated should be closed. | ||||||
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IDE DATA TRANSFER RATES (FOR NON-33MHZ VL-BUS PC) | |||||
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Rate |
W1 |
W2 |
W3 |
W4 |
W5 |
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3.3MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
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3.6MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
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3.8MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
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4.2MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
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4.5MB/s |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
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5.0MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
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5.6MB/s |
pins 2 & 3 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
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6.3MB/s |
pins 1 & 2 |
pins 2 & 3 |
pins 2 & 3 |
pins 1 & 2 |
pins 2 & 3 |
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7.2MB/s |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 1 & 2 |
pins 2 & 3 |
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Note:The pins indicated should be closed. | |||||
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FLOPPY DRIVE CONFIGURATION | |||
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Address |
W7 |
W10 | |
| » |
3F0h |
pins 2 & 3 closed |
pins 1 & 2 closed |
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370h |
pins 1& 2 closed |
pins 1 & 2 closed | |
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Disabled |
N/A |
pins 2 & 3 closed | |
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IDE CONFIGURATION | |||
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Address |
W8 |
W9 | |
| » |
1F0h |
pins 2 & 3 closed |
pins 1 & 2 closed |
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170h |
pins 1& 2 closed |
pins 1 & 2 closed | |
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Disabled |
N/A |
pins 2 & 3 closed | |
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SERIAL PORT 1 CONFIGURATION | |||
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COM/Address |
W11 |
W12 | |
| » |
COM1/3F8h |
pins 1 & 2 closed |
pins 2 & 3 closed |
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COM3/3E8h |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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COM4/2E8h |
pins 1& 2 closed |
pins 1 & 2 closed | |
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Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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SERIAL PORT 1 INTERRUPT SELECT | ||||
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IRQ |
W18 |
W19 |
W20 | |
| » |
IRQ4 |
closed |
open |
open |
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IRQ3 |
open |
closed |
open | |
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IRQ5 |
open |
open |
closed | |
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Disabled |
open |
open |
open | |
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SERIAL PORT 2 CONFIGURATION | |||
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COM/Address |
W13 |
W14 | |
| » |
COM2/2F8h |
pins 1 & 2 closed |
pins 2 & 3 closed |
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COM3/3E8h |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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COM4/2E8h |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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SERIAL PORT 2 INTERRUPT SELECT | ||||
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IRQ |
W21 |
W22 |
W23 | |
| » |
IRQ3 |
closed |
open |
open |
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IRQ4 |
open |
closed |
open | |
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IRQ5 |
open |
open |
closed | |
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Disabled |
open |
open |
open | |
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PARALLEL PORT CONFIGURATION | |||
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LPT/Address |
W15 |
W16 | |
| » |
LPT1/378h |
pins 2 & 3 closed |
pins 1& 2 closed |
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LPT2/278h |
pins 1& 2 closed |
pins 2 & 3 closed | |
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LPT3/3BCh |
pins 1& 2 closed |
pins 1 & 2 closed | |
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Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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PARALLEL PORT INTERRUPT SELECT | |||
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IRQ |
W24 |
W25 | |
| » |
IRQ7 |
closed |
open |
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IRQ5 |
open |
closed | |
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Disabled |
open |
open | |