Adaptec 1891300 - RAID Controller User's Guide download pdf (Page 89)

Appendix C: Using the Adaptec RAID Configuration Utility ● 89

SAS-specific Controller Settings

In addition to the general settings listed on page 88, your Adaptec SAS controller has SAS-

specific settings that can be modified if required. (For more information about SAS, see page 68.)

Note: This feature is not available with the Adaptec 31205 or Adaptec 31605 controllers.

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 88, 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.

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Adaptec 1891300 - RAID Controller User's Guide Page 89