Adaptec 2020SA User Guide - Page 77

SATA Configuration Options, SCSI Channel Interface Definitions

Page 77 highlights

Adaptec RAID Configuration Utility (ARC) SATA Configuration Options The SATA Configuration options are described in the table below. Option Default Write Cache Yes Models Affected All SATA controllers Description When Enabled, write cache is enabled, providing maximum performance. Caution-When Enabled, there is a potential for data loss or corruption during a power failure. SCSI Configuration Options To access the SCSI Device Configuration options, select SCSI Configuration. SCSI Channel Interface Definitions The SCSI Channel Interface Definitions are described in the table below. Option Controller SCSI Channel ID SCSI Parity Checking Controller SCSI Channel Termination Default 7 Enabled Auto Mode Description Sets the controller's SCSI ID. Adaptec recommends that you leave the controller set to the default, which gives it the highest priority on the SCSI channel. Determines whether the controller verifies the accuracy of data transfer on the SCSI channel. You should disable SCSI Parity Checking on the controller and all SCSI devices if any SCSI device supported by the controller does not support SCSI parity; otherwise, retain the default. Most SCSI devices do support SCSI parity. If you are not sure whether a device supports SCSI parity, consult the documentation for the device. Sets termination on the controller. Adaptec recommends that you retain the default setting. A-12

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A-12
Adaptec RAID Configuration Utility (ARC)
SATA Configuration Options
The SATA Configuration options are described in the table below.
SCSI Configuration Options
To access the SCSI Device Configuration options, select
SCSI
Configuration
.
SCSI Channel Interface Definitions
The SCSI Channel Interface Definitions are described in the table
below.
Option
Default
Models
Affected
Description
Write Cache
Yes
All SATA
controllers
When
Enabled
, write cache is enabled,
providing maximum performance.
Caution
—When
Enabled
, there is a
potential for data loss or corruption
during a power failure.
Option
Default
Description
Controller SCSI
Channel ID
7
Sets the controller’s SCSI ID. Adaptec
recommends that you leave the controller set
to the default, which gives it the highest
priority on the SCSI channel.
SCSI Parity
Checking
Enabled
Determines whether the controller verifies
the accuracy of data transfer on the SCSI
channel. You should disable SCSI Parity
Checking on the controller and all SCSI
devices if any SCSI device supported by the
controller does not support SCSI parity;
otherwise, retain the default. Most SCSI
devices do support SCSI parity. If you are not
sure whether a device supports SCSI parity,
consult the documentation for the device.
Controller SCSI
Channel
Termination
Auto
Mode
Sets termination on the controller. Adaptec
recommends that you retain the default
setting.