Hard Disk 32 Bit Access; Cd-Rom Drive Dma Mode - Acer 930 Bios Manual

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, Windows 95, and Novell NetWare. If your software or
hard disk does not support this function, set this parameter to Disabled .

CD-ROM Drive DMA Mode

This parameter allows you to enable or disable the 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 .
BIOS Utility 2-15