Acer AcerPower 2100 User Manual page 65

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.
Chapter 3 - BIOS Utility 3-13