NEC Versa Series manual Internal HDD Submenu Items, Using the BIOS Setup Utility, Menu Item

Internal HDD Submenu Items
Menu Item	Settings (default is bold)
Type	Auto, None, User
	When set to Auto, the values for Cylinders,
	Heads, Sectors, and Maximum Capacity as
	read only.
	When set to Auto, the BIOS detects what the
	drive is capable of, not the translation
	mechanism that was used to format the drive.
	If a drive is run in a mode other than the
	mode in which it was partitioned and
	formatted, unpredictable results may occur,
	including data loss.
	When set to None, informs the system to
	ignore this drive.
	When set to User, allows the manual entry of
	all fields described next.
Cylinders	When Type is Auto, value in the Cylinders
	field is auto-detected and field is read only.
Heads	When Type is Auto, value in Heads field is
	auto-detected and field is read only.
Sectors	When Type is Auto, value in Sectors field is
	auto-detected and field is read only.
Maximum Capacity	This field is read-only and cannot be changed
	from BIOS Setup.
	Example: 10056 MB
Multi-Sector Transfers	Disabled, 2, 4, 8, 16 sectors
	Determines the number of sectors per block
	for multi-sector transfers.

When Type is Auto, value in Multi-Sector Transfers field is auto-detected and field is read only.

Using the BIOS Setup Utility 3-7