User`s manual

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X7DVA-8/X7DVA-E User's Manual
prevent data from being written into the extended memory area above 1MB. Select
Write Back to allow the CPU to write data back directly from the buffer without
writing data to the System Memory for fast CPU data processing and operation.
The options are Uncached, Write Through, Write Protect, and Write Back.
Discrete MTRR Allocation
If enabled, MTRRs (-Memory Type Range Registers) are con gured as distinct,
separate units and cannot be overlapped. If enabled, the user can achieve better
graphic effects when using a Linux graphic driver that requires the write-combining
con guration with 4GB or more memory. The options are Enabled and Disabled.
XPCI Con guration
Access the submenu to make changes to the following settings for PCI devices.
Onboard GLAN1/Onboard GLAN2 (Gigabit- LAN)/SCSI OPROM
Configuration (SCSI OPROM Configuration is for the X7DVA-8
only.)
Enabling this option provides the capability to boot from GLAN. The options are
Disabled and Enabled.
PCI Parity Error Forwarding
The feature allows SERR and PERR errors detected in PCI slots to be sent
(forwarded) to the BIOS DMI Event Log for the user to review. The options are
Enabled and Disabled.
Reset Con guration Data
If set to Yes, this setting clears the Extended System Con guration Data- (ESCD)
area. The options are Yes and No.
Frequency for PCI-X#2-#3
This option allows the user to change the bus frequency for the devices installed
in the slot indicated. The options are Auto, PCI 33 MHz, PCI 66 MHz, PCI-X 66
MHz, PCI-X 100 MHz, and PCI-X 133 MHz.