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# ADAPTEC, INC.
AHA-1740A, AHA-1742A
Data bus: 32-bit, EISA
Size: Full-length, full-height card
Hard drive Up to seven SCSI devices
supported:
Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB
supported: drives
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|-----------------------------------------------+------------|
| 50-pinSCSI connector - external | CN1 |
|-----------------------------------------------+------------|
| 50-pinSCSI connector - internal | CN2 |
|-----------------------------------------------+------------|
| 34-pin control cable connector - floppy drive | CN3 |
|-----------------------------------------------+------------|
| 4-pin connector - drive active LED | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|------------------------------------+-------------+---------|
| » | Floppy drive enabled | J6/jumper 1 | closed |
|---+--------------------------------+-------------+---------|
| | Floppy drive disabled | J6/jumper 1 | open |
|---+--------------------------------+-------------+---------|
| » | Floppy drive port address is | J6/jumper 2 | open |
| | 3F0-3F7h | | |
|---+--------------------------------+-------------+---------|
| | Floppy drive port address is | J6/jumper 2 | closed |
| | 370-377h | | |
+------------------------------------------------------------+