DATA TECHNOLOGY CORPORATION
DTC2270 (90010-89B)
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Data bus: |
32-bit, VL-bus |
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Size: |
Three/quarter-length, full-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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25-pin parallel port (LPT1/2/3) - external |
J1 |
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10-pin serial port 1 (COM1/3/4) - external |
J2 |
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10-pin serial port 2 (COM1/2/4) - internal |
J3 |
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15-pin game port - internal |
J4 |
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34-pin control cable connector-floppy drive |
J5 |
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40-pin AT Interface (IDE) connector |
J6 |
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4-pin connector-Drive active LED |
J7 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Parallel Port (J1) uses IRQ7 |
W1 |
pins 1 & 2 closed | |
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Parallel Port (J1) uses IRQ5 |
W1 |
pins 2 & 3 closed | |
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Floppy drive enabled |
W3/jumper 7 |
open | |
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Floppy drive disabled |
W3/jumper 7 |
closed | |
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SERIAL PORTS INTERRUPT REQUEST CONFIGURATION - W2 | |||
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IRQ |
Location |
Setting | |
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Serial Port 1 (J2) uses IRQ4 |
W2 |
pins 1 & 3 closed | |
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Serial Port 2 (J3) uses IRQ3 |
pins 2 & 4 closed | ||
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Serial Port 1 (J2) uses IRQ3 |
W2 |
pins 1 & 2 closed | |
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Serial Port 2 (J3) uses IRQ4 |
pins 3 & 4 closed | ||
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SERIAL PORT 2 (J3) CONFIGURATION | |||
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COM |
W3/jumper 1 |
W3/jumper 2 | |
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COM1 (3F8h) |
open |
closed | |
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COM2 (2F8h) |
open |
open | |
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COM4 (238h) |
closed |
open | |
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Disabled |
closed |
closed | |
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PARALLEL PORT (J1) CONFIGURATION | |||
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LPT |
W3/jumper 3 |
W3/jumper 4 | |
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LPT1 (378h) |
open |
closed | |
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LPT2 (278h) |
open |
open | |
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LPT3 (3BCh) |
closed |
open | |
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Disabled |
closed |
closed | |
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SERIAL PORT 1 (J2) CONFIGURATION | |||
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COM |
W3/jumper 5 |
W3/jumper 6 | |
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COM1 (3F8h) |
open |
open | |
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COM2 (2F8h) |
closed |
open | |
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COM3 (338h) |
open |
closed | |
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Disabled |
closed |
closed | |
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DRIVE TRANSFER RATE CONFIGURATION - 33MHZ/66I MHZ MOTHERBOARDS | ||||||
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Rate |
W4/1 |
W4/2 |
W4/3 |
W4/4 |
W4/5 | |
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8.3Mb/sec |
open |
open |
open |
open |
open | |
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7.3Mb/sec |
open |
open |
open |
closed |
closed | |
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6.6Mb/sec |
open |
open |
closed |
open |
open | |
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6.1Mb/sec |
open |
open |
closed |
open |
closed | |
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5.5Mb/sec |
open |
open |
closed |
closed |
open | |
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5.1Mb/sec |
open |
open |
closed |
closed |
closed | |
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4.8Mb/sec |
open |
closed |
open |
open |
open | |
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4.4Mb/sec |
open |
closed |
open |
open |
closed | |
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4.1Mb/sec |
open |
closed |
open |
closed |
open | |
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3.9Mb/sec |
open |
closed |
open |
closed |
closed | |
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3.7Mb/sec |
open |
closed |
closed |
open |
open | |
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3.5Mb/sec |
open |
closed |
closed |
open |
closed | |
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3.3Mb/sec |
open |
closed |
closed |
closed |
open | |
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DRIVE TRANSFER RATE CONFIGURATION - 20, 25, 40 AND 50MHZ MOTHERBOARDS | |||||
|
Rate |
W4/1 |
W4/2 |
W4/3 |
W4/4 |
W4/5 |
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7.1Mb/sec |
closed |
open |
open |
open |
open |
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6.3Mb/sec |
closed |
open |
open |
closed |
closed |
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5.6Mb/sec |
closed |
open |
closed |
open |
open |
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5.0Mb/sec |
closed |
open |
closed |
open |
closed |
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4.5Mb/sec |
closed |
open |
closed |
closed |
open |
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4.2Mb/sec |
closed |
open |
closed |
closed |
closed |
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3.8Mb/sec |
closed |
closed |
open |
open |
open |
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3.6Mb/sec |
closed |
closed |
open |
open |
closed |
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3.3Mb/sec |
closed |
closed |
open |
closed |
open |