AcerPower 4100 User’s Guide
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Advanced PIO Mode
When set to
Auto
, the BIOS utility automatically detects if the installed hard disk supports the
function. If supported, it allows for faster data recovery and read/write timing that reduces
hard disk activity time. This results in better hard disk performance. To disregard the feature,
change the setting to
Disabled.
This parameter appears only when you are in the Advanced Level.
Hard Disk 32-bit Access
Enabling this parameter improves system performance by allowing the use of the 32-bit hard
disk access. This enhanced IDE feature works only under DOS, Windows 3.x/95/98, and
Novell NetWare. If your software or hard disk does not support this function, set this
parameter to
Disabled.
This parameter appears only when you are in the Advanced Level.
DMA Transfer Mode
The Ultra DMA and Multi-DMA modes enhance hard disk performance by increasing the
transfer 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. By setting this parameter
to
Auto
, BIOS automatically sets the appropriate DMA mode for your hard disk.
This parameter appears only when you are in the Advanced Level.
CD-ROM Drive DMA Mode
Set this parameter to
Enabled
to enable the DMA mode for the CD-ROM drive. This
improves the system performance since it allows direct memory access to the CD-ROM. To
deactivate the function, set the parameter to
Disabled
.
This parameter appears only when you are in the Advanced Level.
