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— Disk Write Cache: The data written / (done) signal is returned when data is
•
Redundancy through:
— Configuration stored in non-volatile RAM and on the drives (COD).
— Hot-swap support.
SAS and SATA Features
•
Provides four independent PHYs, each supporting 3.0 Gbps and 1.5 Gbps SAS and
SATA data transfers.
•
Scalable interface that supports up to 14 physical devices and 2 logical devices in IR
mode, or up to 122 physical devices in IT mode.
•
Transfers data using SCSI information units.
•
Supports SSP to enable communication with other SAS devices.
•
Supports SMP to communicate topology management information.
•
Allows addressing of multiple SATA targets through an expander if using SATA 2.0-
compliant hard disk drives.
Operating System Support
The Intel
•
Microsoft Windows Server 2008*, Microsoft Windows Server 2003*, and Microsoft
Windows XP*
•
Red Hat* Enterprise Linux 4.0 and 5.0
•
SuSE* Linux Enterprise Server 9 and 10
Note: The operating systems supported by this controller may not be supported by your server
board. See the Tested Operating System List for your server board at
http://support.intel.com/support/motherboards/server/. See also the Tested Hardware and
Operating System List for the Intel
operating system you are using with the controller is supported.
Intel® RAID Controller SASWT4I Hardware User's Guide
written to the drive or only to the drive's cache.
✧ On (default): Write-back mode enabled. Faster, because it does not wait for
the disk, but data will be lost if power is lost.
✧ Off: Write-through mode enabled. Slower, but ensures data is on the disk.
®
RAID Controller SASWT4I supports major operating systems, including:
®
RAID Controller SASWT4I to make sure the
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