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Chapter 8 System BIOS
Table 8-3. Setup Utility Functions
Continued
Heading Option Description
Storage
(continued)
Device
Configuration
(continued)
Translation Mode
(IDE disks only)
Lets you select the translation mode to be used for the
device. This enables the BIOS to access disks partitioned
and formatted on other systems and may be necessary for
users of older versions of Unix (e.g., SCO Unix version 3.2).
Options are Bit-Shift, LBA Assisted, User, and None.
CAUTION:
Ordinarily, the translation mode
selected automatically by the BIOS should not
be changed. If the selected translation mode is
not compatible with the translation mode that
was active when the disk was partitioned and
formatted, the data on the disk will be
inaccessible.
Translation Parameters
(IDE Disks only)
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.
Multisector Transfers
(IDE ATA devices only)
Specifies how many sectors are transferred per multi-sector
PIO operation. Options (subject to device capabilities) are
Disabled, 8, and 16.
Storage Options
Removable Media Boot
Enables/disables ability to boot the system from removable
media.
Note
: After saving changes to Removable Media Boot, the
computer will restart. Turn the computer off, then on,
manually.
Removable Media Write
Enables/disables ability to write data to removable media.
Note
: This feature applies only to legacy diskette, IDE LS-120
Superdisk, and IDE PD-CD drives.
Primary IDE Controller
Allows you to enable or disable the primary IDE controller.
Secondary IDE Controller
Allows you to enable or disable the secondary IDE controller.
BIOS IDE DMA Transfers
Allows the user to enable or
disable the use of IDE DMA transfers by the BIOS. Default
setting is “enabled.”
Diskette MBR Validation
Allows you to enable or disable strict validation of the diskette
Master Boot Record (MBR).
Note:
If you use a bootable diskette image that you know to
be valid, and it does not boot with Diskette MBR Validation
enabled, you may need to disable this option in order to use
the diskette.
Continued
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003
8-6