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Appendix C: Using the Adaptec RAID Configuration Utility ● 83
SAS-specific Controller Settings
In addition to the general settings listed on page 82, your Adaptec SAS controller has SAS-
specific settings that can be modified if required. (For more information about SAS, see page 62.)
To modify SAS-specific settings, select PHY Configuration from the SerialSelect main menu.
Note:
Default settings are shown in bold type.
SATA-specific Controller Settings
In addition to the general settings listed on page 82, your Adaptec SATA controller has a SATA-
specific setting that can be modified if required.
Option Description
PHY Rate The data transfer rate between the controller and devices. The default setting is
Auto, which allows the SAS card to adjust the data transfer rate as required.
CRC Checking When enabled, determines whether the controller verifies the accuracy of data
transfer on the serial bus. Default setting is Yes (enabled). Set to No (disabled)
only if the controller is connected to a device that does not support CRC Checking.
SAS Address In a situation where you want each phy on a controller to be in a different SAS
domain, this setting specifies a unique world-wide name for each phy. Default
is 0.
Note: This setting is for SAS address conflict resolution only and should otherwise
remain at its default value.
Option Description
Write Cache When enabled, the controller’s write cache is enabled. Default is Yes (enabled).
Caution—When enabled, there is a potential for data loss or corruption during a
power failure.