Compaq Service Reference Guide 2-5
Computer Setup Menu
Continued
Heading Option Description
Storage 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.
Quiet Drive
(available on select drives only)
· Performance
Allows the drive to operate at maximum performance.
· Quiet
Reduces noise from the drive during operation. When set
to Quiet, the drive will not operate at maximum
performance.
If the drive does not support Quiet mode, the Quiet Drive option
will not be displayed.
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.
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