DATA TECHNOLOGY CORPORATION
DTC2278EB
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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: |
Four IDE(AT) or EIDE interface drives |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, 1.44MB drives |
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CONNECTIONS | |
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Function |
Location |
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10-pin serial port 2 - internal |
J2 |
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9-pin serial port 1 - external |
J3 |
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16-pin game port |
J4 |
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34-pin cable connector - floppy drive |
J5 |
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40-pin connector - secondary IDE(AT) interface |
J6 |
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40-pin connector - primary IDE(AT) interface |
J7 |
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4-pin connector - drive active LED |
J8 |
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25-pin parallel port - external |
J9 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Game port enabled |
W29 |
closed | |
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Game port disabled |
W29 |
open | |
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Floppy controller enabled |
W30/pins 1 & 2 |
closed | |
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Floppy controller disabled |
W30/pins 2 & 3 |
closed | |
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BIOS ADDRESS SELECTION | ||||
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Address |
W7 |
W8 |
W24 | |
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C8000-CBFFFh |
pins 2 & 3 closed |
pins 2 & 3 closed |
closed | |
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CC000-CFFFFh |
pins 2 & 3 closed |
pins 1 & 2 closed |
closed | |
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D8000-DBFFFh |
pins 1 & 2 closed |
pins 2 & 3 closed |
closed | |
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DC000-DFFFFh |
pins 1 & 2 closed |
pins 1 & 2 closed |
closed | |
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Disabled |
N/A |
N/A |
open | |
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PARALLEL PORT ADDRESS SELECTION | |||
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LPT |
W18 |
W19 | |
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LPT1 (378h) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
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LPT2 (278h) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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LPT3 (3BCh) |
pins 1 & 2 closed |
pins 2 & 3 closed | |
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Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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SERIAL PORT 1 ADDRESS SELECTION | |||
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COM |
W22 |
W23 | |
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COM1 (3F8h) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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COM2 (2F8h) |
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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Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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SERIAL PORT 2 ADDRESS SELECTION | |||
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COM |
W20 |
W21 | |
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COM2 (2F8h) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
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COM1 (3F8h) |
pins 1 & 2 closed |
pins 2 & 3 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 1 INTERRUPT SELECTION | ||||
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IRQ |
W15 |
W16 |
W17 | |
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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 |
W12 |
W13 |
W14 | |
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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 |
W10 |
W11 | |
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IRQ7 |
open |
closed | |
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IRQ5 |
closed |
open | |
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PARALLEL PORT MODE CONFIGURATION | |||
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Mode |
W9 |
W25 |
W31 |
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Printer (uni-directional) |
pins 2 & 3 closed |
pins 2 & 3 closed |
open |
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EPP & bi-directional |
pins 1 & 2 closed |
pins 2 & 3 closed |
open |
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ECP & bi-directional |
pins 2 & 3 closed |
pins 1 & 2 closed |
closed |
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EPP & ECP |
pins 1 & 2 closed |
pins 1 & 2 closed |
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 |
W1 |
W2 |
W3 |
W4 |
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1 |
closed |
open |
closed |
open |
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3 |
open |
closed |
open |
closed |