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# MYLEX
BT-545C
Card Type Hard drive controller card
Hard Drives supported Up to 7 SCSI devices
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives
Data Bus 32-bit EISA
Card Size Half-length, full-height card
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Function | Location |
|------------------------+----------+-------------+----------|
| 4-pin connector - | J1 | 50-pin SCSI | J3 |
| drive active LED | | connector - | |
| | | internal | |
|------------------------+----------+-------------+----------|
| 34-pin floppy drive | J2 | 50-pin SCSI | J4 |
| connector | | connector - | |
| | | external | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | Factory configured - do not alter | SW1/4 | N/A |
|---+------------------------------------+-------+-----------|
| » | Floppy drive enabled | SW1/8 | On |
|---+------------------------------------+-------+-----------|
| | Floppy drive disabled | SW1/8 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PORT 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 |
|---+-------------+--------------+-------------+-------------|
| | N/A | N/A | Off | 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 |
+------------------------------------------------------------+