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• Adaptec AIC-7896/7897 - Ultra2 SCSI Driver
• Adaptec Aic-7896/7897 - Ultra 2 Scsi Driver Download
• Adaptec Aic-7896/7897 - Ultra 2 Scsi Drivers

Adaptec AIC-7896/7897 - Ultra2 SCSI Driver

Adaptec SmartRAID adapters are full-featured, high-performance enterprise RAID adapters built for a variety of storage requirements. They have the industry's lowest power consumption and provide maximum read/write bandwidth and Input/Output Operations Per Second (IOPS) when coupled with 12 Gbps SSDs.

Adaptec AHA-2940U2B, 2940U2W, 2940U2/OEM, 2950U2B, 3950U2B HBAs

Preconfiguration Information

• Multi-initiator configurations are not supported.

• The Plug N Play SCAM Support option is not supported.

• Ensure that the Adaptec SCSISelect BIOS option Reset SCSI Bus at IC Initialization (under the Advanced Configuration Options menu) is set to Enabled. Run the SCSISelect utility by pressing Ctrl-A when you see the Adaptec banner during system boot.

• Reboot the system after you install patches.

• If you are both upgrading your Solaris Intel Platform Edition installation and adding a new device driver, you must first upgrade Solaris, then reboot your system, and then apply the Driver Update (DU), as follows.

  1. Perform the Solaris upgrade. Do not apply the cadp DU at this time.

  2. Reboot your system.

  3. When the system has rebooted successfully, insert the DU diskette into the diskette drive and apply the DU as follows.

     Mount the DOS formatted file system:

     Change directories:

     Install the DU:

     Perform a reconfiguration reboot.

Known Problems and Limitations

• If you experience problems when using a narrow SCSI CD-ROM drive on the internal wide interface, disable 'negotiate wide,' 'negotiate sync,' or both for that device in the Adaptec configuration utility.

• If you experience problems when using the narrow internal connector, then disable 'de-selection' in the Adaptec configuration utility.

• The Fujitsu narrow disk (M1603SAU) has been observed reselecting with an invalid queue tag ID. This is a violation of the SCSI protocol and it causes the cadp driver to behave erroneously. Because this is difficult to guard against, it is best to disable taggedqueuing for these targets.

  Use the iostat -E command to determine if you have a Fujitsu M1603S-512 disk. If you do, edit the /kernel/drv/cadp.conf file and add the property target n-scsi -options=0x1f78, where n is the target number.

• The IBM external wide disk (DFHSS2W, Revision 1717) is not supported.

Adaptec Aic-7896/7897 - Ultra 2 Scsi Driver Download

Configuration Procedure

Adaptec Aic-7896/7897 - Ultra 2 Scsi Drivers

Using the Adaptec configuration utility:

• Configure each SCSI device to have a unique SCSI ID. On the Advanced Configuration Options menu, set Plug N Play SCAM Support to Disabled.

  Ensure that devices on either end of the SCSI chain are terminated. When mixing wide (16 bits) and narrow (8 bits) devices on the same wide chain, ensure that a wide device is at the end of the chain. If a narrow device is placed at the end of the chain, the wide devices on the same chain only havethe low byte terminated, and this is an illegal configuration.

• If there is more than one controller (or an embedded controller), try to use one IRQ per controller.

• Enable bus mastering for the slot(s) with your host bus adapter(s), when asked.

• For older disk drives, tape drives, and most CD-ROM devices, make sure the maximum SCSI data transfer speed is set to 5.0 Mbps.

• Enable support for disks larger than 1 Gbyte if applicable.