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Chapter 4: AMI BIOS
Maximum Payload
Select Auto for 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 for the system BIOS to automatically set the maximum size for a read
request 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
Use this item to set the Active State Power Management (ASPM) level for a PCI-E
device. Select Auto for the system BIOS to automatically set the ASPM level based
on the system configuration. Select Disabled to disable ASPM support. The options
are Disabled and Auto.
Warning: Enabling ASPM support may cause some PCI-E devices to fail!
MMIOHBase
Use this item to select the base memory size according to memory-address map-
ping for the base address above 4G decoding. The options are 56T, 48T, 24T,
512G, and 256G.
MMIO High Size
Use this item to select the high memory size according to memory-address map-
ping for for the base address above 4G decoding. . The options are 256G, 128G,
512G, and 1024G.
CPU1 SXB2 PCI-E 3.0 X8 Slot OP OPROM/CPU1 SXB1 PCI-E 3.0 X16 Slot
OPROM/CPU1 MLP PCI-E 3.0X8 Slot OPROM
Select Enabled to enable Option ROM support to boot the computer using a de-
vice installed on the slot specified by the user. The options are Disabled, Legacy
and EFI.
Onboard LAN Option ROM Type
Select Enabled to enable Option ROM support to boot the computer using a device
installed on the slot specified by the user. The options are Legacy and EFI.
Onboard LAN1 Option ROM/Onboard LAN2 Option ROM
Use this option to select the type of device installed in LAN Port1, LAN Port2 or
the onboard video device used for system boot. The default setting for LAN1 Option
ROM is PXE and for LAN2 Option ROM is Disabled.
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