SUPER MICRO Computer X7DVL-3 - Manual (Page 66)

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X7DVL-3/X7DVL-i User's Manual
to be cached into the buffer and written into the system memory at the same
time. Select Write Protect to 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 confi 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
confi guration with 4GB or more memory. The options are Enabled and Disabled.
XPCI Confi guration
Access the submenu to make changes to the following settings for PCI devices.
Onboard GLAN1/Onboard GLAN2 (Gigabit- LAN) OPROM Confi gure
Enabling this option provides the capability to boot from GLAN. The options are
Disabled and Enabled.
Onboard Storage OPROM Confi gure
Enabling this option provides the capability to boot from an onboard storage device.
The options are Enabled and Disabled.
PCI-Exp. I/O Performance
Some add-on cards perform faster with the coalesce feature, which limits the
payload size to 128 Bytes; while others, with a payload size of 256 Bytes which
inhibits the coalesce feature. Please refer to your add-on card user guide for the
desired setting. The options are 256 Bytes and 128 Bytes.
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 Confi guration Data
If set to Yes, this setting clears the Extended System Confi guration Data- (ESCD)
area. The options are Yes and No.
Frequency for PCI-X#5-#6
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.