Table 3 Computer Setup—Storage (continued)

 

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.

 

 

ENWW

Computer Setup (F10) Utilities 5

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HP dc7900 manual Sata Default Values, Storage Options Removable Media Boot, Legacy Diskette Write, Sata Emulation

dc7900 specifications

The HP dc7900 is a well-regarded desktop solution that serves as a testament to HP's commitment to performance, reliability, and user accessibility. Introduced as part of HP’s Compaq line and designed primarily for business professionals, the dc7900 combines powerful processing capabilities with a compact form factor that suits various office environments.

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