GIGABYTE GA-8IDML - Manual (Page 39)

BIOS Setup
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IDE Primary Master UDMA
Auto BIOS will automatically detect the IDE HDD Accessing mode.
(Default value)
Disabled Disable UDMA function.
IDE Primary Slave UDMA
Auto BIOS will automatically detect the IDE HDD Accessing mode.
(Default value)
Disabled Disable UDMA function.
IDE Secondary Master UDMA
Auto BIOS will automatically detect the IDE HDD Accessing mode. (Default value)
Disabled Disable UDMA function.
IDE Secondar y Slave UDMA
Auto BIOS will automatically detect the IDE HDD Accessing mode. (Default value)
Disabled Disable UDMA function.
USB Con troller
Enabled Enabled USB Controller. (Default value)
Disabled Disabled USB Controller.
IDE Secon dary Slave PIO (for onboard IDE 2nd channel)
Auto BIOS will automatically detect the IDE HDD Accessing mode.
(Default value)
Mode0~4 Manually set the IDE Accessing mode.