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Huawei Server Brickland Platform BIOS Parameter Reference 23

This document describes the basic input/output system (BIOS) menu structure, parameters and common tasks based on the Brickland platform.
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IIO Configuration

IIO Configuration

This topic describes how to configure a peripheral component interconnect express (PCIe) slot on the IIO Configuration screen.

On the IIO Configuration screen, you can configure a PCIe slot, including the PCIe port link speed and maximum load. Table 5-25 describes the parameters on this screen. Figure 5-28Figure 5-28 shows the IIO Configuration screen.

Figure 5-28 IIO Configuration screen

Table 5-25 Parameters on the IIO Configuration screen

Parameter

Description

Default Value

EV DFX Features

Indicates whether to enable the EV DFX feature. The options are as follows:

  • Enable
  • Disable

Disable

NVME Support

Indicates whether to support NVM Express (NVMe) hot-swap. The options are as follows:

  • Enable
  • Disable

Enable

IIO0 Configuration

Integrated I/O module (IIO) configuration menus:

RH8100 V3 server:

  • In single-system mode, the menus CPU1 IIO Configuration to CPU8 IIO Configuration are displayed.
  • In dual-system mode, the menus CPU1 IIO Configuration to CPU4 IIO Configuration are displayed for system A.
  • In dual-system mode, the menus CPU5 IIO Configuration to CPU8 IIO Configuration are displayed for system B.

Other servers:

If there are four CPUs, the menus IIO0 Configuration, IIO1 Configuration, IIO2 Configuration, and IIO3 Configuration are displayed.

-

Intel VT for Directed I/O (VT-d)

I/O virtualization technology configuration menu.

-

If there are four CPUs, the menus IIO1 Configuration, IIO2 Configuration, and IIO3 Configuration are displayed. Configurations on these menus are the same as those on IIO0 Configuration. The following uses IIO0 Configuration as an example.

Table 5-26 describes parameters on the IIO0 Configuration screen. Figure 5-29 shows the screen.

Figure 5-29 IIO0 Configuration screen

Table 5-26 Parameters on the IIO0 Configuration screen

Parameter

Description

Default Value

IOU0 (IIO PCIe Port 2)

IOU0 information. Only the inherent information is displayed. This parameter is not configurable.

-

IOU1 (IIO PCIe Port 3)

IOU1 information. Only the inherent information is displayed. This parameter is not configurable.

-

PCI Express Port 0 (DMI)

DMI configuration menu.

-

PCI Express Port 2A

PCIe Port 2A configuration menu. The menus for configuring ports 1A, 1B, 2A, 2B, 2C, 2D, 3A, 3B, 3C, and 3D may be displayed based on the configurations of IOU0 and IOU1. Configurations on these menus are consistent with those on the PCI Express Port 2A menu.

-

Table 5-27 describes parameters on the PCI Express Port 0 (DMI) screen. Figure 5-30 shows the screen.

Figure 5-30 PCI Express Port 0 (DMI) screen

Table 5-27 Parameters on the PCI Express Port 0 (DMI) screen

Parameter

Description

Default Value

PCI-E Port Link Status

PCIe port link status.

-

PCI-E Port Link Max

Maximum width of a PCIe port link.

-

PCI-E Port Link Speed

PCIe port link speed.

-

Link Speed

Link speed. The options are as follows:

  • Auto
  • Gen 1 (2.5 GT/s)
  • Gen 2 (5 GT/s)

Auto

PCI-E Port Max Payload Size

Maximum load of a PCIe port. The option is as follows:

  • 128B
  • 256B

128B

PCI-E ASPM Support

Indicates whether to support PCIe ASPM. The options are as follows:

  • Auto (This option is unavailable for the IvyBridge CPU.)
  • L1 Only: indicates that PCIe ASPM is supported.
  • Disable: indicates that PCIe ASPM is not supported.

Disable

PCI-E Port L1 Exit Latency (unavailable for the RH8100 V3 server)

The options are as follows:

  • 1us
  • 1us-2us
  • 2us-4us
  • 4us-8us
  • 8us-16us
  • 16us-32us
  • 32us-64us
  • >64us

8us-16us

The menus for configuring ports 1A, 1B, 2A, 2B, 2C, 2D, 3A, 3B, 3C, and 3D may be displayed based on the configurations of IOU0 and IOU1. Configurations on these menus are consistent with those on the PCI Express Port 2A menu. The following uses PCI Express Port 2A as an example.

Table 5-28 describes parameters on the PCI Express Port 2A screen. Figure 5-31 shows the screen.

Figure 5-31 PCI Express Port 2A screen

Table 5-28 Parameters on the PCI Express Port 2A screen

Parameter

Description

Default Value

PCI-E Port

Indicates whether to enable the PCIe port. The options are as follows:

  • Auto: automatically enables the port. If there is no device, the port is disabled.
  • Enable
  • Disable: disables the PCIe port and hides the CFG capacity of the port.

Auto

Link Speed

Link speed. The options are as follows:

  • Auto
  • Gen 1 (2.5 GT/s)
  • Gen 2 (5 GT/s)
  • Gen 3 (8 GT/s)

Auto

PCI-E Port Max Payload Size

Maximum load of a PCIe port. The option is as follows:

  • 128B
  • 256B

256B

NOTE:

For RH5885H V3, the default value of this parameter is 128B.

PCI-E ASPM Support

Indicates whether to support PCIe ASPM. The options are as follows:

  • Auto (This option is unavailable for the IvyBridge CPU.)
  • L1 Only: indicates that PCIe ASPM is supported.
  • Disable: indicates that PCIe ASPM is not supported.

If PCI-E ASPM Support is set to L1 Only, the PCI-E Port L1 Exit Latency menu is displayed.

Disable

PCI-E Port L1 Exit Latency (unavailable for the RH8100 V3 server)

The options are as follows:

  • 1us
  • 1us-2us
  • 2us-4us
  • 4us-8us
  • 8us-16us
  • 16us-32us
  • 32us-64us
  • >64us

8us-16us

Table 5-29 describes parameters on the Intel VT for Directed I/O (VT-d) screen. Figure 5-32 shows the screen.

Figure 5-32 Intel VT for Directed I/O (VT-d) screen

Table 5-29 Parameters on the Intel VT for Directed I/O (VT-d) screen

Parameter

Description

Default Value

Intel VT for Directed I/O (VT-d)

Indicates whether to enable the direct I/O virtualization function. Management programs and OSs that enable this function can provide hardware capabilities of Intel virtualization technology (VT) in directed I/O operations. Even if the management programs and OSs are not used, you can also enable this function. The options are as follows:

  • Enable
  • Disable

Enable

PassThrough DMA (unavailable for the RH8100 V3 server)

Indicates whether to enable the pass-through DMA function, which is related to the virtualization function. The options are as follows:

  • Enable
  • Disable

Enable

ATS (unavailable for the RH8100 V3 server)

Indicates whether to enable the ATS function, which is related to the virtualization function. The options are as follows:

  • Enable
  • Disable

Enable

Coherency Support (unavailable for the RH8100 V3 server)

Indicates whether to enable the coherency support function, which is related to the virtualization function. The options are as follows:

  • Enable
  • Disable

Disable

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Updated: 2018-12-03

Document ID: EDOC1000039573

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