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.
Type
1 to 39
User
Auto
Selecting 1 to 39 fills in all remaining fields with
values for predefined disk type. “User” prompts
user to fill in remaining fields. When "Auto" is
selected, the BIOS automatically sets drive type.
Cylinders
1 to 16,384
Specifies number of cylinders.
Heads
1 to 16
Specifies number of read/write heads.
Sectors/Track
1 to 63
Specifies number of sectors per track.
Write Precomp*
1 to 2048
None
Specifies number of the cylinder at which to
change the write timing.
Multi-Sector Transfers Enabled (default)
Disabled
Enables/disables multi-Sector transfers. Disabled
is default if drive is none.
LBA Mode Control
Enabled (default)
Disabled
Enables/disables Logical Block Access. Disabled
is default if drive is none.
32-Bit I/O
Enabled (default)
Disabled
Enables/disables 32 bit communications between
the CPU and IDE controller.
Transfer Mode
Standard (default)
Fast PIO1
Fast PIO2
Fast PIO3
Fast PIO4
Specifies the transfer mode for moving data to
and from the hard drive. Standard is the slowest
mode but the most compatible. Fast PIO
(programmed input/output) is the slowest of the
three enhanced modes. Fast PIO3 is the fastest
of the enhanced modes.
*IDE drives do not require setting Landing Zone and Write Precomp.
