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Chapter 7: BIOS
SERR# Generation
Select Enabled to allow a PCI device to generate an SERR number for a PCI Bus
Signal Error Event. The options are Enabled and Disabled.
Maximum Payload
Select Auto to allow the system BIOS to automatically set the maximum payload
value for a PCI-E device to enhance system performance. The options are Auto,
128 Bytes and 256 Bytes.
Maximum Read Request
Select Auto to allow the system BIOS to automatically set the maximum Read
Request size for a PCI-E device to enhance system performance. The options are
Auto, 128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096 Bytes.
ASPM Support
This feature allows the user to set the Active State Power Management (ASPM)
level for a PCI-E device. Select Force L0 to force all PCI-E links to operate at L0
state. Select Auto to allow the system BIOS to automatically set the ASPM level for
the system. Select Disabled to disable ASPM support. The options are Disabled,
Force L0, and Auto.
Warning: Enabling ASPM support may cause some PCI-E devices to fail!
CPU1 PCIe Slot 1 x8 OPROM/ CPU1 PCIe Slot 2 x8 OPROM/ CPU1 PCIe Slot
3 x8 OPROM/ CPU1 PCIe Slot 4 x8 OPROM/ CPU2 PCIe Slot 5 x8 OPROM/
CPU2 PCIe Slot 6 x8 OPROM/ CPU2 PCIe Slot 7 x8 OPROM/ CPU1 PCIe Slot
8 x8 OPROM/ CPU2 PCIe Slot 9 x8 OPROM/ CPU2 PCIe Slot 10 x8 OPROM/
CPU2 PCIe Slot 11 x4 OPROM
Select Enabled to enable Option ROM support to boot the computer using a
network interface from the slots specified above. The options are Enabled and
Disabled.
Onboard LAN Option ROM Select
Select iSCSI to use the iSCSI Option ROM to boot the computer using a network
device. Select PXE (Preboot Execution Environment) to use an PXE Option ROM
to boot the computer using a network device. The options are iSCSI and PXE.
Load Onboard LAN1 Option ROM/Load Onboard LAN2 Option ROM
Select Enabled to enable the onboard LAN1 Option ROM~LAN2 Option ROM. This
is to boot the computer using a network device. The default setting for LAN1 Op-
tion ROM is Enabled, and the default setting for LAN2 Option ROM is Disabled.
7-1
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