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# PROCOMP USA, INC.
PBT-445C VLB
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit VL Bus |
|-------------------+----------------------------------------|
| Size: | Three-quarter length, half-height card |
|-------------------+----------------------------------------|
| Hard drive | Up to seven Fast SCSI-2 devices |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| 4-pin connector - drive active LED | J1 |
|------------------------------------------+-----------------|
| 34-pin cable connector - floppy drive | J2 |
|------------------------------------------+-----------------|
| 50-pin SCSI connector - internal | J3 |
|------------------------------------------+-----------------|
| 50-pin SCSI connector - external | J4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------------+----------+---------|
| » | Local bus clock speed is >33 MHz | SW1/4 | On |
|---+-----------------------------------+----------+---------|
| | Local bus clock speed is <=33 MHz | SW1/4 | Off |
|---+-----------------------------------+----------+---------|
| » | Floppy drive interface enabled | SW1/8 | On |
|---+-----------------------------------+----------+---------|
| | Floppy drive interface disabled | SW1/8 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW1/5 | SW1/6 | SW1/7 |
|-------------------+-------------+-------------+------------|
| | C8000h | Off | On | Off |
|---+---------------+-------------+-------------+------------|
| | CC000h | On | On | Off |
|---+---------------+-------------+-------------+------------|
| | D0000h | Off | Off | On |
|---+---------------+-------------+-------------+------------|
| | D4000h | On | Off | On |
|---+---------------+-------------+-------------+------------|
| | D8000h | Off | On | On |
|---+---------------+-------------+-------------+------------|
| » | DC000h | On | On | On |
|---+---------------+-------------+-------------+------------|
| | Disabled | N/A | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW1/1 | SW1/2 | SW1/3 |
|-----------------+--------------+-------------+-------------|
| | 130h | On | On | Off |
|---+-------------+--------------+-------------+-------------|
| | 134h | Off | On | Off |
|---+-------------+--------------+-------------+-------------|
| | 230h | On | Off | On |
|---+-------------+--------------+-------------+-------------|
| | 234h | Off | Off | On |
|---+-------------+--------------+-------------+-------------|
| » | 330h | On | On | On |
|---+-------------+--------------+-------------+-------------|
| | 334h | Off | On | On |
+------------------------------------------------------------+