DATA TECHNOLOGY CORPORATION
DTC2280E (400521-89A)
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Data bus: |
16-bit ISA |
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Size: |
Half-length, half-height card |
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Hard drive supported: |
Two IDE(AT) or EIDE interface drives |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, 1.44MB |
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CONNECTIONS | |
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Function |
Location |
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25-pin parallel port - external |
J1 |
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9-pin serial port 1 - external |
J2 |
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10-pin serial port 2 - internal |
J3 |
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16-pin game port - internal |
J4 |
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34-pin cable connector - floppy drive |
J5 |
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2-pin connector - drive active LED |
J6 |
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40-pin IDE(AT) interface connector |
J7 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
Game port enabled |
W1 |
closed |
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Game port disabled |
W1 |
open | |
| » |
Hard drive interrupt IRQ14 select |
W15 |
pins 1 & 2 closed |
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Hard drive interrupt IRQ15 select |
W15 |
pins 2 & 3 closed | |
| » |
IDE(AT) interface address is 1F0h |
W17 |
pins 1 & 2 closed |
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IDE(AT) interface address is 170h |
W17 |
pins 2 & 3 closed | |
| » |
IDE(AT) interface enabled |
W18 |
pins 2 & 3 closed |
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IDE(AT) interface disabled |
W18 |
pins 1 & 2 closed | |
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SERIAL PORT 1 CONFIGURATION | |||
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Port 1 |
W21 |
W22 | |
| » |
COM1 |
pins 1 & 2 closed |
pins 2 & 3 closed |
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COM3 |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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SERIAL PORT 2 CONFIGURATION | |||
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Port 2 |
W23 |
W24 | |
| » |
COM2 |
pins 1 & 2 closed |
pins 2 & 3 closed |
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COM4 |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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PARALLEL PORT ADDRESS CONFIGURATION | |||
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LPT |
W19 |
W20 | |
| » |
1 (378h) |
pins 2 & 3 closed |
pins 1 & 2 closed |
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2 (278h) |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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3 ( BCh) |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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Disabled |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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SERIAL PORT 1 INTERRUPT SELECTION | ||||
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IRQ |
W12 |
W13 |
W14 | |
| » |
IRQ4 |
open |
open |
closed |
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IRQ3 |
open |
closed |
open | |
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IRQ5 |
closed |
open |
open | |
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SERIAL PORT 2 INTERRUPT SELECTION | ||||
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IRQ |
W9 |
W10 |
W11 | |
| » |
IRQ3 |
open |
open |
closed |
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IRQ4 |
open |
closed |
open | |
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IRQ5 |
closed |
open |
open | |
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PARALLEL PORT INTERRUPT SELECTION | |||
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IRQ |
W7 |
W8 | |
| » |
7 |
open |
closed |
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5 |
closed |
open | |
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PARALLEL PORT MODE CONFIGURATION | |||
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MODE |
W16 |
W25 | |
| » |
Printer |
pins 2 & 3 closed |
pins 2 & 3 closed |
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ECP/EPP |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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EPP |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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Note: You must select a DMA channel when using ECP mode. | |||
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DMA SELECTION | ||||
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CHANNEL |
W3 |
W4 |
W5 |
W6 |
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1 |
closed |
open |
closed |
open |
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3 |
open |
closed |
open |
closed |
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MISCELLANEOUS TECHNICAL NOTES |
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The floppy controller in automatically configured: When a cable is attached, it is enabled, when no cable is attached it is disabled. |