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# UNIDENTIFIED
SUN-5234
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 16-bit, ISA |
|-------------------+----------------------------------------|
| Size: | Half-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Two IDE (AT) Interface drives |
| supported: | |
|-------------------+----------------------------------------|
| | Up to seven SCSI devices |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | J1 |
|-----------------------------------------------+------------|
| 40-pin IDE(AT) Interface connector | J4 |
|-----------------------------------------------+------------|
| 2-pin connector - Drive active LED (IDE) | J5 |
|-----------------------------------------------+------------|
| 50-pin SCSI connector - internal | J8 |
|-----------------------------------------------+------------|
| 50-pin SCSI connector - external | J9 |
|-----------------------------------------------+------------|
| 2-pin connector - Drive active LED (SCSI) | J12 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------+--------------+-----------|
| » | Floppy drive enabled | J3/Jumper F | open |
|---+-----------------------------+--------------+-----------|
| | Floppy drive disabled | J3/Jumper F | closed |
|---+-----------------------------+--------------+-----------|
| » | Hard drive enabled | J3/Jumper H | open |
|---+-----------------------------+--------------+-----------|
| | Hard drive disabled | J3/Jumper H | closed |
|---+-----------------------------+--------------+-----------|
| » | Zero Wait State disabled | J10 | open |
|---+-----------------------------+--------------+-----------|
| | Zero Wait State enabled | J10 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT REQUST - J11 |
|------------------------------------------------------------|
|IRQ|Jumper 1|Jumper |Jumper |Jumper |Jumper |Jumper |Jumper |
| | | 2 | 3 | 4 | 5 | 6 | 7 |
|---+--------+-------+-------+-------+-------+-------+-------|
| 3 | closed | open | open | open | open | open | open |
|---+--------+-------+-------+-------+-------+-------+-------|
| 5 | open |closed | open | open | open | open | open |
|---+--------+-------+-------+-------+-------+-------+-------|
|10 | open | open |closed | open | open | open | open |
|---+--------+-------+-------+-------+-------+-------+-------|
|11 | open | open | open |closed | open | open | open |
|---+--------+-------+-------+-------+-------+-------+-------|
|12 | open | open | open | open |closed | open | open |
|---+--------+-------+-------+-------+-------+-------+-------|
|14 | open | open | open | open | open |closed | open |
|---+--------+-------+-------+-------+-------+-------+-------|
|15 | open | open | open | open | open | open |closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS - J7 |
|------------------------------------------------------------|
| Address | Jumper SW0 | Jumper SW1 |
|------------------+--------------------+--------------------|
| » | CA00 | open | open |
|---+--------------+--------------------+--------------------|
| | C800 | closed | closed |
|---+--------------+--------------------+--------------------|
| | CE00 | open | closed |
|---+--------------+--------------------+--------------------|
| | DE00 | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| The functions of jumpers J2 and J6 are not documented. |
+------------------------------------------------------------+