Abit SI7 User Manual page 61

BIOS Setup
SiS OnChip IDE Controller:
Click <Enter> key to enter its submenu:
PCI IDE BusMaster:
This item decides whether the IDE controller on the PCI local bus has the bus mastering capability.
Onboard PCI IDE:
This item allows you disable all onboard PCI IDE devices, or enable one of them.
Primary Master/Slave UDMA, Secondary Master/Slave UDMA:
These fields set the Ultra DMA in use.
•
[Auto]: The BIOS will automatically select the best available option after checking your hard drive
or CD-ROM.
•
[Disabled]: The BIOS will not detect these categories.
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User's Manual