Chapter 3 – BIOS Setup Menus
3-4
Option
Description
Autotype Fixed Disk
Reads the hard disk parameters from the drive if you press
ENTER
. It then
sets the Type field to “User” and lets you edit other fields. Do not attempt to
manually set the disk drive parameters unless instructed to do so by Xycom
Application Engineering.
Type
Options are “1 to 39”, “User,” and “Auto.” The “1 to 39” option fills in all
remaining fields with values for predefined disk type. “User” prompts you to
fill in remaining fields. “Auto” autotypes at each boot, displays settings in
setup menus, and does not allow you to edit the remaining fields.
Cylinders
Indicates the number of cylinders on the hard drive. This information is
automatically entered if the Autotype Fixed Disk option is set.
Heads
Indicates the number of read/write heads on the hard drive. This information
is automatically entered if the Autotype Fixed Disk option is set.
Sectors/Track
Indicates the number of sectors per track on the hard drive. This information
is automatically entered if the Autotype Fixed Disk option is set.
Write Precomp
This value is not used or required by IDE hard drives.
Multi-Sector Transfers
Options are “Auto,” “2,” “4,” “8,” and “16” sectors. “Auto” sets the number of
sectors per block to the highest number supported by the drive.
LBA Mode Control
Enables Logical Block Access (LBA). Default is disabled and should work with
most hard drives.
32-Bit I/O
Enables 32-bit communication between the CPU and IDE interface.
Transfer Mode
Selects the method for transferring the data between the hard disk and
system memory. Available options are determined by the drive type and cable
length.
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