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# ADAPTEC, INC.
AHA-2944W
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit PCI |
|--------------------------+---------------------------------|
| Size: | Half-length, full-height card |
|--------------------------+---------------------------------|
| Hard drive supported: | Up to fifteen SCSI-2 devices |
|--------------------------+---------------------------------|
| Floppy drives supported: | None |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Location |
|------------------------------------------+-----------------|
| 50-pin SCSI connector - internal | J1 |
|------------------------------------------+-----------------|
| 4-pin connector - drive active LED | J2 |
|------------------------------------------+-----------------|
| 68-pin SCSI connector - internal | J3 |
|------------------------------------------+-----------------|
| 68-pin SCSI connector - external | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Location | Setting |
|---------------------------------+--------------+-----------|
| Termination power for J3, when | J4 | closed |
| power off enabled | | |
|---------------------------------+--------------+-----------|
| Termination power for J3, when | J4 | open |
| power off disabled | | |
|---------------------------------+--------------+-----------|
| Termination power for J1, when | J5 | closed |
| power off enabled | | |
|---------------------------------+--------------+-----------|
| Termination power for J1, when | J5 | open |
| power off disabled | | |
|---------------------------------+--------------+-----------|
| Low byte & high byte set to off | R1-R12 | removed |
|---------------------------------+--------------+-----------|
| Low byte & high byte set to on | R1-R12 | installed |
|---------------------------------+--------------+-----------|
| Low byte set to off, high byte | R9, R12, R3, | installed |
| set to on | R6 | |
|---------------------------------+--------------+-----------|
| | R1, R2, R4, | removed |
| | R5, R7, R8, | |
| | R10, R11 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| R1, R2, R9, R10, R11, R12 are 330-ohm. R3, R4, R5, R6, R7, |
| R8 are 150-ohm. |
| |
| When using only the 68-pin external connector low & high |
| bytes must be set to on. |
| |
| When using the 68-pin internal & external connectors or |
| when using the 50-pin & 68-pin internal connectors low |
| byte must be set to off, high byte to on. |
| |
| When using the 50-pin internal & 68-pin external low & |
| high bytes must be set to off. |
+------------------------------------------------------------+