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# WESTERN DIGITAL CORPORATION
WDXT-150
Data bus: 8-bit, PC/XT
Size: Half-length, full-height card
Hard drives supported: One IDE (XT) interface drives
Floppy drives supported: None
Maximum heads/cyl.: 8 heads and 1024 cylinders
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-------------------------------------------------+----------|
| 40-pin IDE (XT) Interface control cable | J1 |
| connector-internal | |
|-------------------------------------------------+----------|
| 5-pin connector-DC power | J2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|--------------------------------+----------+----------------|
| » | BIOS address is CA00h | W1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------+----------+----------------|
| | BIOS address is C800h | W1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------+----------+----------------|
| » | I/O port address is 320h | W2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------+----------+----------------|
| | I/O port address is 324h | W2 | pins 2 & 3 |
| | | | closed |
|---+----------------------------+----------+----------------|
| » | Hardware interrupt is IRQ5 | W3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------+----------+----------------|
| | Hardware interrupt is IRQ4 | W3 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+