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Conguring the BIOS
q BIOS EHCI Hand-Off
Allows you to enable support for operating systems without an EHCI hand-off
feature.
PCI/PnP Menu
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP
devices. The menu includes setting IRQ and DMA channel resources for either PCI/
PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices.
Press <enter> to display the conguration options:
q Clear NVRAM
The items allow you to select whether clear NVRAM during system boot.
q Plug and Play O/S
When set to [No], BIOS congure all the devices in the system. When set to
[YES] and if you install a Plug and Play operating system, the operating system
congures the Plug and Play devices not required for boot.
q PCI Latency Timer
Allows you to select the value in units of PCI clocks for PCI device latency timer
register.
q Allocate IRQ to PCI VGA
When set to [YES], BIOS assigns an IRQ to PCI VGA card if the requests for an
IRQ. When set to [No], BIOS does not assign an IRQ to the PCI VGA card even
if requested .
q Palette Snooping
When set to [Enabled], the pallete snooping feature informs the PCI devices that
an ISA graphics device is installed in the system so that the latter can function
correctly.
q PCI IDE BusMaster
When set to [Enabled], BIOS use PCI busmastering for reading/writing to IDE
drives.
q OffBoard PCI/ISA IDE Card
Use this option to set the PCI slot number for some PCI IDE Cards holding.
q IRQ3/4/5/7/9/10/11/14/15
These items allow you to set the Interrupt Request.
q DMA Channel 0/1/3/5/6/7
Use these items to set the Direct Memory Access Channel.