36 Chapter 2
Cylinder Specifies your h ard disk’s number of cylind ers, and is
automatically set dependi ng on your Type parameter
setting.
Only Device De tection Mode is
set to User, the item Cylinder
will be available; Otherwise it is
non-configurable.
Head Specifies your har d disk’s number of head s, and is
automatically set dependi ng on your Type parameter
setting.
Only Device De tection Mode is
set to User, the item Head will
be available; Otherwis e it is
non-configurable.
Sector Specifies your hard disk’s number of sectors, and is
automatically set dependi ng on your Type parameter
setting.
Only Device De tection Mode is
set to User, the item Sector wi ll
be available; Otherwis e it is
non-configurable.
Size Sp ecifies the size of yo ur hard disk, in MB, an d is
automatically set dependi ng on your Type parameter
setting
It will turn to gray and w ill be
non- configurable.
Hard Disk LBA Mode Set to “Auto” under DOS and Windows. Set to
“Disabled” under Novell Netware and Unix. Auto or Disabled
Hard Disk Block Mo de This function enhances disk p erformance dependin g
on the hard disk in use. If you set this parameter to
Auto, the BIOS utility au tomatically detects if the
installed hard disk drive supports the Block Mode
function. If supported, it allo ws data transfer in blocks
(multiple sectors) at a rate of 256 bytes per cycle .
Auto or Disabled
Hard Disk 32-bit Access Enabling this parameter im proves system
performance by al lowing the use of the 32- bit hard
disk access. This enhanced IDE feature works only
under DOS, Window s 3.x, Windows 95/98, Windows
NT, and Novell NetWare.
Enabled or Disabled
Advanced PIO Mode When set to Auto, the BIOS utility automatica lly
detects if the installed ha rd dis k suppor ts the fu ncti on,
it allows for faster dat a recovery and read/ write
timing that reduces hard dis k activity time. This
results in better hard disk performanc e.
Auto, Mode 0, 1, 2, 3 or 4
DMA Transfer Mode The Ultra DMA and Multi-DMA modes enhance hard
disk performance by increasing the tra nsfer rate.
However, besides enabling these features in the
BIOS Setup, both the Ultra DMA and Multi-DMA
modes require the DMA driver to be loaded .
Auto
Multiword Mode 0, 1, 2
Ultra Mode 0, 1, 2, 3, 4
Disabled
Parameter Description Options