Xycom XVME-654, Manual

Page: 32 / 98

Chapter 3 – BIOS Setup Menus
3-5
Table Chapter 3 -2 describes the IDE Adapter Sub-menu options.
Table Chapter 3 -2. IDE Adapter Sub-menu Options
Option Description
Autotype Fixed Disk
Reads the hard disk parameters from the drive if you press
ENTER
. Do not
attempt to manually set the disk drive parameters unless instructed to do so
by Xycom Application Engineering.
Type Options include 1 to 39, User, or 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 Sets the number of sectors per block. Options are Auto, 2, 4, 8, or 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. The default is disabled and should work with
most hard drives.
32-Bit I/O Enables 32-bit communication between 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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