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# ADAPTEC, INC.
AVA-2825
Hard Drives Two IDE (AT) drives
supported
Up to 7 Fast SCSI-2 devices
Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives
supported
Data Bus 32-bit VESA Local Bus
Card Size Three-quarter length, full-height
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location | Function | Location |
|------------------------+----------+-------------+----------|
| 4-pin connector - | J1 | 50-pin SCSI | J4 |
| drive active LED | | connector - | |
| | | internal | |
|------------------------+----------+-------------+----------|
| 40-pin IDE(AT) | J2 | 50-pin SCSI | J5 |
| connector | | connector - | |
| | | external | |
|------------------------+----------+-------------+----------|
| 34-pin cable connector | J3 | | |
| - floppy drive | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | SCSI I/O base address is 340h-35Fh | J7 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | SCSI I/O base address is 140h-15Fh | J7 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Floppy drive interface enabled | SW1/1 | On |
|---+------------------------------------+-------+-----------|
| | Floppy drive interface disabled | SW1/1 | Off |
|---+------------------------------------+-------+-----------|
| » | IDE(AT) interface enabled | SW1/2 | Off |
|---+------------------------------------+-------+-----------|
| | IDE(AT) interface disabled | SW1/2 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS ADDRESS SELECTION |
|------------------------------------------------------------|
| Address | SW1/3 | SW1/4 |
|-----------------------+------------------+-----------------|
| | C8000h | Off | Off |
|---+-------------------+------------------+-----------------|
| | CC000h | Off | On |
|---+-------------------+------------------+-----------------|
| | D8000h | On | Off |
|---+-------------------+------------------+-----------------|
| » | DC000h | On | On |
+------------------------------------------------------------+