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# DATA TECHNOLOGY CORPORATION
DTC2280 (400548-89A)
Card Type Hard drive controller card
Hard drives supported Two IDE(AT) interface drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives
Data-bus 16-bit ISA
Size Half-length, half-height card
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| 34-pin control cable | J1 | 9-pin serial port 1 | J5 |
| connector - floppy | | - external | |
| drive | | | |
|----------------------+-------+---------------------+-------|
| 40-pin IDE(AT) | J2 | 10-pin serial port | J6 |
| interface connector | | 2 - internal | |
|----------------------+-------+---------------------+-------|
| Drive active LED | J3 | 25-pin parallel | J7 |
| | | port - external | |
|----------------------+-------+---------------------+-------|
| 16-pin game port - | J4 | | |
| internal | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Setting |
|----------------------------------+----------+--------------|
| » | Factory configured - do not | W1 | Unidentified |
| | alter | | |
|---+------------------------------+----------+--------------|
| » | Floppy drive interface | W2 | Open |
| | enabled | | |
|---+------------------------------+----------+--------------|
| | Floppy drive interface | W2 | Closed |
| | disabled | | |
|---+------------------------------+----------+--------------|
| » | Parallel port is | W3 | Closed |
| | uni-directional | | |
|---+------------------------------+----------+--------------|
| | Parallel port is | W3 | Open |
| | bi-directional | | |
|---+------------------------------+----------+--------------|
| » | Game port enabled | W4 | Closed |
|---+------------------------------+----------+--------------|
| | Game port disabled | W4 | Open |
|---+------------------------------+----------+--------------|
| » | Parallel port address is | W5 | Open |
| | 378h (LPT1) | | |
|---+------------------------------+----------+--------------|
| | Parallel port address is 278 | W5 | Closed |
| | (LPT2) | | |
|---+------------------------------+----------+--------------|
| » | Serial port 1 address is | W6 | Open |
| | 3F8h | | |
|---+------------------------------+----------+--------------|
| | Serial port 1 address is | W6 | Closed |
| | 3E8h | | |
|---+------------------------------+----------+--------------|
| » | Serial port 1 enabled | W7 | Open |
|---+------------------------------+----------+--------------|
| | Serial port 1 disabled | W7 | Closed |
|---+------------------------------+----------+--------------|
| » | Parallel port enabled | W8 | Open |
|---+------------------------------+----------+--------------|
| | Parallel port disabled | W8 | Closed |
|---+------------------------------+----------+--------------|
| » | Serial port 1 address is | W9 | Open |
| | 2F8h | | |
|---+------------------------------+----------+--------------|
| | Serial port 1 address is | W9 | Closed |
| | 2E8h | | |
|---+------------------------------+----------+--------------|
| » | Serial port 2 enabled | W10 | Open |
|---+------------------------------+----------+--------------|
| | Serial port 2 disabled | W10 | Closed |
|---+------------------------------+----------+--------------|
| » | IDE(AT) interface enabled | W11 | Open |
|---+------------------------------+----------+--------------|
| | IDE(AT) interface disabled | W11 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTIONS (CONTINUED) |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------------+----------+---------|
| | IDE(AT) interface address 170 - | W12 | Closed |
| | 177h | | |
|---+-----------------------------------+----------+---------|
| | IDE(AT) interface address 1F0 - | W12 | Open |
| | 1F7h | | |
|---+-----------------------------------+----------+---------|
| » | IRQ 15 (secondary) disabled | W13 | Closed |
|---+-----------------------------------+----------+---------|
| | IRQ 15 (secondary) enabled | W13 | Open |
|---+-----------------------------------+----------+---------|
| » | IRQ 14 (primary) enabled | W14 | Open |
|---+-----------------------------------+----------+---------|
| | IRQ 14 (primary) disabled | W14 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | W15 | W16 | W17 |
|----------------+--------------+--------------+-------------|
| | IRQ3 | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| » | IRQ4 | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ5 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | W18 | W19 | W20 |
|----------------+--------------+--------------+-------------|
| » | IRQ3 | Closed | Open | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ4 | Open | Closed | Open |
|---+------------+--------------+--------------+-------------|
| | IRQ5 | Open | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | W21 | W22 |
|-----------------------+------------------+-----------------|
| | IRQ5 | Open | Closed |
|-----+-----------------+------------------+-----------------|
| » | IRQ7 | Closed | Open |
+------------------------------------------------------------+