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4. BIOS Setup
4.7 PCI Plug and Play Setup Menu
AMIBIOS SETUP – PCI Plug and Play Setup
© 1999 American Megatrends, Inc. All Rights Reserved
Move to items
Enter Sub-
Menu
Modify values
Plug and Play Aware O/S
Clear NVRAM
Primary Graphics Adapter
PCI VGA Palette Snoop
Allocate IRQ to PCI VGA
DAM Channel 0
DAM Channel 1
DAM Channel 3
DAM Channel 5
DAM Channel 6
DAM Channel 7
IRQ3
IRQ4
IRQ5
IRQ7
IRQ9
IRQ10
IRQ11
IRQ14
IRQ15
Yes
No
Add-on VGA
Disabled
Yes
PnP
PnP
PnP
PnP
PnP
PnP
PCI/PnP
PCI/PnP
PCI/PnP
PCI/PnP
PCI/PnP
PCI/PnP
PCI/PnP
PCI/PnP
PCI/PnP
Availabe Options
No
Yes
ESC: Exit
↑↓
: Sel
PgUp/PgDn: Modify
F1: Help F2/F3: Color
Exit to Main
Menu
Figure 7: PCI/ Plug and Play Configuration Setup Menu
4.7.1 Plug and Play Aware O/S
Set this option to
Yes
to inform AMIBIOS that the operating system can handle plug and
Play (PnP) devices.
4.7.2 Clear NVRAM
Select
Yes
to reset Extended System Configuration Data(ESCD) when you exit Setup, if you
have installed a new add-on and the system reconfiguration has caused such a serious
conflict that the operating system can not boot. Normally, leave this setting
No
.
4.7.3 Primary Graphics Adapter
Leave on default setting(
OnBoard VGA
) if you want to use the onboard VGA. As in
Add-on
VGA
setting, all display cache configuration will not be available.
4.7.4 PCI VGA Palette Snoop
When this option is set to
Enabled,
multiple VGA devices operating on different buses can
handle data from the CPU on each set of palette registers on every video device. Bit 5 of the
command register in the PCI device configuration space is the VGA Palette Snoop bit (0 is
disabled). For example: if there are two VGA devices in the computer (one PCI and one ISA)
and the VGA Palette Snoop Bit is: