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IDE Primary
These four UDMA (Ultra Direct Memory Access) fields
Master UDMA
let you set the UDMA mode supported by the hard disk
IDE Primary
connected to your primary and secondary IDE connec-
Slave UDMA
tors.
IDE Secondary
Master UDMA
IDE Secondary
Slave UDMA
IEEE1394 Con-
Enables or disables the On-Chip 1394.
troller
USB Controller
Enables or disables the on-chip USB.
USB 2.0 Sup-
ports
USB Keyboard
Enables or disables the USB keyboard driver on the
Support
onboard BIOS. The keyboard driver simulates legacy
keyboard commands and lets you use a USB keyboard
during POST or after boot if you don't have a USB
driver in the operating system.
USB Mouse
Enables or disables the USB mouse driver on the
Support
onboard BIOS. The mouse driver simulates legacy
mouse commands and lets you use a USB mouse during
POST or after boot if you don't have a USB driver in the
operating system.
Init Display
If you installed both a PCI VGA card and an AGP card,
First
this item lets you decide which one is to be used as the
initial display card.
AC97 Audio
Enables or disables the on-die AC97 Audio if there is no
add-on PCI Audio device.
IDE HDD Block
Enabling this item enhances disk performance by
Mode
allowing multisector data transfers and eliminating the
interrupt handling time for each sector. Most IDE
drives, except those with old designs, can support this
feature.
Onboard FDC
Enable this option if your system has an onboard FDC
Controller
(floppy disk controller) and you wish to use it. If what
you have installed is an add-on FDC or your system has
no FDC, disable this option.
Onboard Serial
Use this option to select an address and corresponding
Port 1
interrupt for the first serial port.
31
Auto
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
PCI
AGP
Auto
Disabled
Enabled
Disabled
Enabled
Disabled
3F8/IRQ4
Auto
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3
Disabled
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