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# UNIDENTIFIED
DLU 270
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|--------------------------+---------------------------------|
| Size: | Half-length, Full-height card |
|--------------------------+---------------------------------|
| Hard drive supported: | Two IDE (AT) Interface drives |
|--------------------------+---------------------------------|
| Floppy drives supported: | 360KB, 720KB, 1.2MB, 1.44MB |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 15-pin connector - game port | CN1 |
|-----------------------------------------------+------------|
| 25-pin parallel port - external | CN2 |
|-----------------------------------------------+------------|
| 9-pin serial port - external | CN3 |
|-----------------------------------------------+------------|
| 9-pin serial port - internal | CN4 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | CN5 |
|-----------------------------------------------+------------|
| 40-pin IDE(AT) interface connector | CN6 |
|-----------------------------------------------+------------|
| 4-pin connector - drive active LED | CN7 |
|-----------------------------------------------+------------|
| 2-pin connector - optional IOCHRDY for IDE | J14 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | No other hard drive interface | J1 | pins 2 & 3 |
| | exists | | closed |
|---+--------------------------------+----------+------------|
| | Two or more hard drive | J1 | pins 1 & 2 |
| | interfaces exist | | closed |
|---+--------------------------------+----------+------------|
| » | Game port enabled | J2 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Game port disabled | J2 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS(CONTINUED) |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+----------+------------|
| » | Floppy drive interface address | J3 | pins 1 & 2 |
| | 3F1 - 3F7h select | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive interface address | J3 | pins 2 & 3 |
| | 371 - 377h select | | closed |
|---+--------------------------------+----------+------------|
| » | Floppy drive interface enabled | J4 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Floppy drive interface | J4 | pins 2 & 3 |
| | disabled | | closed |
|---+--------------------------------+----------+------------|
| » | IDE interface address 1F0 - | J5 | pins 1 & 2 |
| | 1F7h | | closed |
|---+--------------------------------+----------+------------|
| | IDE interface address 170 - | J5 | pins 2 & 3 |
| | 177h | | closed |
|---+--------------------------------+----------+------------|
| » | IDE interface enabled | J6 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE interface disabled | J6 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | IDE type AT enabled | J7 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | IDE type XT enabled | J7 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Serial port 1 address 3F8h | J8 | pins 1 & 2 |
| | select | | closed |
|---+--------------------------------+----------+------------|
| | Serial port 1 address 3E8h | J8 | pins 2 & 3 |
| | select | | closed |
|---+--------------------------------+----------+------------|
| » | Serial port 1 enabled | J9 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Serial port 1 disabled | J9 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Serial port 2 enabled | J10 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Serial port 2 disabled | J10 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Serial port 2 address 2F8h | J11 | pins 1 & 2 |
| | select | | closed |
|---+--------------------------------+----------+------------|
| | Serial port 2 address 2E8h | J11 | pins 2 & 3 |
| | select | | closed |
|---+--------------------------------+----------+------------|
| » | Parallel port enabled | J12 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | Parallel port disabled | J12 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | Parallel port address 378h | J13 | pins 1 & 2 |
| | select | | closed |
|---+--------------------------------+----------+------------|
| | Parallel port address 278h | J13 | pins 2 & 3 |
| | select | | closed |
+------------------------------------------------------------+