Supermicro SUPERSERVER 1028R-MCTR, User Manual, Page: 61 / 75

Chapter 7: BIOS
7-21 7-20
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UPER
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ERVER 1028R-MCT/MCTR User's Manual

PCIe/PCI/PnP Configuration
The following PCI information will be displayed:
•
PCI Bus Driver Version
PCI Latency Timer
Use this item to configure the PCI latency timer for a device installed on a PCI bus.
Select 32 to set the PCI latency timer to 32 PCI clock cycles. The options are 32 ,
64, 96, 128, 160, 192, 224 and 248 (PCI Bus Clocks).
PCI-X Latency Timer
Use this item to configure the PCI-X latency timer for a device installed on a PCI -X
bus. Select 32 to set the PCI-X latency timer to 32 PCI-X clock cycles. The options
are 32,
64 , 96, 128, 160, 192, 224 and 248 (PCI Bus Clocks).
PCI PERR/SERR Support
Select Enabled to allow a PCI device to generate a PERR number for a PCI Bus
Signal Error Event, and generate an SERR number for a PCI Bus Signal Error
Event. The options are Enabled and
Disabled .
Above 4G Decoding (Available if the system supports 64-bit PCI decoding)
Select Enabled to decode a PCI device that supports 64-bit in the space above 4G
Address. The options are Enabled and
Disabled .
SR-IOV (Available if the system supports Single-Root Virtualization)
Select Enabled for Single-Root IO Virtualization support. The options are Enabled
and
Disabled.
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 IO hub. The base memory size must be between 4032G to 4078G. 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 mapping
for the IO hub. The options are
256G , 128G, 512G, and 1024G.
CPU2 Slot4 PCI-E 3.0 x8,
CPU1 Slot5 PCI-E x16,
CPU1 Slot6 PCI-E 3.0x8,
Onboard SAS Option ROM
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/LAN2/LAN3/LAN4 Option ROM / Onboard Video Option ROM
Use this option to select the type of device installed in LAN Port1~Port4 or the
onboard video device used for system boot. The default setting for LAN1 Option
ROM is
PXE , for LAN2/LAN3/LAN4 Option ROM is Disabled and for Onboard
Video Option ROM is
Legacy
.
VGA Priority
Use this item to select the graphics device to be used as the primary video display
for system boot. The options are
Onboard and Offboard.
Network Stack
Select Enabled to enable PXE (Preboot Execution Environment) or UEFI (Uni-
fied Extensible Firmware Interface) for network stack support. The options are
Enabled and Disabled .