Allows you to specify the parameters (logical cylinders, heads, and sectors per track) used by the
BIOS to translate disk I/O requests (from the operating system or an application) into terms the hard
drive can accept. Logical cylinders may not exceed 1024. The number of heads may not exceed
256. The number of sectors per track may not exceed 63. These fields are only visible and
changeable when the drive translation mode is set to User.
SATA Default Values
Allows you to specify the default values for the Multisector Transfers, Transfer Mode, and Translation
Mode for ATA devices.
Storage Options Removable Media Boot
Enables/disables ability to boot the system from removable media.
Legacy Diskette Write
Enables/disables ability to write data to legacy diskettes.
NOTE: After saving changes to Removable Media Write, the computer will restart. Manually turn
the computer off then on.
SATA Emulation
Allows you to choose how the SATA controller and devices are accessed by the operating system.
There are three supported options: IDE, RAID, and AHCI.
IDE - This is the most backwards-compatible setting of the three options. Operating systems usually
do not require additional driver support in IDE mode.
RAID - Allows DOS and boot access to RAID volumes. Use this mode with the RAID device driver
loaded in the operating system to take advantage of RAID features.
AHCI (default option) - Allows operating systems with AHCI device drivers loaded to take advantage
of more advanced features of the SATA controller.
NOTE: The RAID/AHCI device driver must be installed prior to attempting to boot from a RAID/
AHCI volume. If you attempt to boot from a RAID/AHCI volume without the required device driver
installed, the system will crash (blue screen). RAID volumes may become corrupted if they are
booted to after disabling RAID. Refer to the Advanced Host Controller Interface (AHCI) and
Redundant Array of Independent Disks (RAID) on HP Compaq dc7900 Business PCs white paper
at
http://www.hp.com for more information.
NOTE: RAID is not available on USDT systems.
Max eSATA Speed
Allows you to choose 1.5 Gbps or 3.0 Gpbs as the maximum eSATA speed. By default, the speed
is limited to 1.5 Gbps for maximum reliability.
CAUTION: Consult your eSATA drive and cable manufacturer before enabling 3.0 Gpbs speed.
Some drive and cable combinations may not run reliably at 3.0 Gpbs.
NOTE: eSATA is not available on USDT systems.
Table 3 Computer Setup—Storage (continued)
ENWW Computer Setup (F10) Utilities 5
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