2-18 Setup and Operation
Table Section 2-3 IDE Hard Disk Parameters
Parameter
Options
Description
Autotype Fixed
Disk
Automatically detected
by the system
Pressing
Enter
causes the system to attempt to
detect the hard disk type. If successful, Setup fills
in the remaining fields on this menu and disk
parameters need not be selected.
Type
1 to 39 User
Selecting 1 to 39 fills in all remaining fields with
values for predefined disk type. “User” prompts
user to fill in remaining fields.
Heads
1 to 64
Specifies number of read/write heads.
Sectors/Track
1 to 63
Specifies number of sectors per track.
Landing Zone*
1 to 2048
Specifies number of cylinder specified as the
landing zone for the read/write heads.
Write Precomp*
1 to 2048
None
Specifies number of the cylinder at which to
change the write timing.
*IDE drives do not require setting Landing Zone and Write Precomp.
Memory Shadow
For memory shadowing parameters, select “Memory Shadow” directly from the Main
Menu summary window. See the following table for a description of Memory Shadow pa-
rameters.
CAUTION:
Incorrect settings can cause the
system to malfunction.
Table Section 2-4 Memory Shadow Parameters
Parameter
Options
Description
System shadow
Not user-
selectable
Always enabled. Shadows video BIOS and
improves performance.
Video shadow
Not user-
selectable
Always enabled. Shadows video BIOS and
improves performance.
Shadow Memory
Regions
Enabled
Disabled
Default is disabled. Shadows optional ROM
located in specified segments of memory and can
improve performance.
CAUTION:
Some add-in
cards, particularly with on-board firmware, do not
work properly when shadowed.