Supermicro X9DRT-IBQF User Manual download pdf (Page 92)

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X9DRT-F/-IBQF/-IBFF Motherboard User’s Manual

PCIe/PCI/PnPConguration

Storage Add-on Card OpROM Priority

Use this feature to select the Option ROM to boot the system when there are

multiple Option ROMs available in the system. The options are EFI Compatible

ROM and Legacy.

PCI Latency Timer

Use this feature to set the latency Timer of each PCI device installed on a PCI bus.

Select 64 to set the PCI latency to 64 PCI clock cycles. The options are 32, 64, 96,

128, 160, 192, 224 and 248.

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.

PERR# Generation

Select Enabled to allow a PCI device to generate a PERR number for a PCI Bus

Signal Error Event. The options are Enabled and Disabled.

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 L0s to force all PCI-E links to operate at L0s

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 L0s, and Auto.

Warning: Enabling ASPM support may cause some PCI-E devices to fail!

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Supermicro X9DRT-IBQF User Manual Page 92