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TaiShan Server BIOS Parameter Reference (Kunpeng 920 Processor) 21
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LOM Configuration

LOM Configuration

This section describes how to configure the PXE function and network for an LOM or FlexIO card on the LOM Configuration screen.

The LOM Configuration screen is displayed in Figure 5-10 or Figure 5-11. The TaiShan 200 (model 2280) server is used as an example. Table 5-7 describes the parameters.

  • For details about the PXE function of PCIe NICs, see the Network Device List menu.
  • The LOM Configuration screen varies according to the server or BIOS version. For details, see Table 5-7.
Figure 5-10 LOM Configuration screen 1
Figure 5-11 LOM Configuration screen 2
Table 5-7 Parameters on the LOM Configuration screen

Parameter

Description

Default Value

LOM Control

Enables or disables the LOM network port. The options vary according to the server.

TaiShan 200 servers (models XA320, XA320C, 1280, 2280, 2280E, 5290, 5280, 2280VE, and 5280VE) and TaiShan 200 Pro servers (models 2280 and 1280).

  • Enable All
  • Disable CPU1 LOM
  • Disable CPU2 LOM
  • Disable All

Enable All

TaiShan 200 servers (model 2480) and TaiShan 200 Pro servers (model 2480):

  • Enable All
  • Disable CPU1 LOM
  • Disable CPU2 LOM
  • Disable CPU3 LOM
  • Disable All

Enable All

TaiShan 200 server (models 2180 and 5180):

  • Enable
  • Disable

Enable

LOM DID Config

Specifies whether to enable the function of setting the same device ID for all network ports on an LOM. The options are as follows:

  • Enable
  • Disable
NOTE:

This parameter is supported only by the following servers:

  • TaiShan 200 server (models 2280, 2280VE, 5280, and 5280VE)
  • TaiShan 200 Pro server (model 2280)

Disable

LOM1 Port Num

Specifies the number of LOM ports managed by CPU 1 to be enabled. The options are as follows:

  • 1: enables LOM port 1 and disables LOM ports 2 to 4.
  • 2: enables LOM ports 1 and 2 and disables LOM ports 3 and 4.
  • 3: enables LOM ports 1 to 3 and disables LOM port 4.
  • 4: enables LOM ports 1 to 4.
NOTE:
  • This parameter is available only when LOM 1 is configured for the server and LOM Control is enabled.
  • The menu options of this parameter vary according to the configured NIC.
  • This parameter is supported only by TaiShan 200 servers (models 2180, 2280, 5180, 5280, 2280VE, and 5280VE) and TaiShan 200 Pro servers (model 2280).
  • This parameter is supported by the BIOS V187 or later on TaiShan 200 servers (model 1280).

4

LOM2 Port Num

Specifies the number of LOM ports managed by CPU 2 to be enabled. The options are as follows:

  • 1: enables LOM port 5 and disables LOM ports 6 to 8.
  • 2: enables LOM ports 5 and 6 and disables LOM ports 7 and 8.
  • 3: enables LOM ports 5 to 7 and disables LOM port 8.
  • 4: enables LOM ports 5 to 8.
NOTE:
  • This parameter is available only when LOM 2 is configured for the server and LOM Control is enabled.
  • The menu options of this parameter vary according to the configured NIC.
  • This parameter is supported by TaiShan 200 servers (models 2280, 5280, 2280VE, and 5280VE) and TaiShan 200 Pro servers (model 2280).
  • This parameter is supported by the BIOS V187 or later on TaiShan 200 servers (model 1280).

4

PXE Configuration

Specifies whether to enable the PXE function.

-

Network Configuration

Provides network configuration for NICs.

-

NIC Configuration

Provides access to NIC parameter configuration.

NOTE:

Only the BIOSs of the following servers support this menu:

  • BIOS V159 and later on TaiShan 200 servers (models 2280, 5280, and 2180)
  • BIOS V169 and later on TaiShan 200 servers (model 2280E)
  • BIOS V168 and later on TaiShan 200 servers (model 1280)
  • All BIOS versions on TaiShan 200 servers (model 5180)
  • TaiShan 200 server (models 5290, 2280VE, and 5280VE)
  • TaiShan 200 Pro servers (models 2280 and 1280)

-

Figure 5-12 shows the PXE Configuration screen. Table 5-8 describes the parameters.

The PXE function provides a mechanism to boot a computer over network interfaces. The mechanism allows a computer to boot free from local storage devices (such as hard disks) or the local OS.

On the PXE Configuration screen, you can configure the PXE function for an NIC.

The PXE Configuration screen may vary according to the server.

Figure 5-12 PXE Configuration screen
Table 5-8 Parameters on the PXE Configuration screen

Parameter

Description

Default Value

PXE Only

Specifies whether to enable only the PXE boot function.

The options are as follows:

  • Enable
  • Disable

Disable

PXE1 Configuration

Specifies whether to enable the PXE function for NIC 1.

The options are as follows:

  • Enable
  • Disable

Enable

PXE2 Configuration

Specifies whether to enable the PXE function for NIC 2.

The options are as follows:

  • Enable
  • Disable

Enable

PXE3 Configuration

Specifies whether to enable the PXE function for NIC 3.

The options are as follows:

  • Enable
  • Disable

Enable

PXE4 Configuration

Specifies whether to enable the PXE function for NIC 4.

The options are as follows:

  • Enable
  • Disable

Enable

PXE Boot Capability

Specifies the PXE boot network protocol.

The options are as follows:

  • UEFI: IPv4
  • UEFI: IPv6
  • UEFI: IPv4/IPv6
  • HTTPS: IPv4
  • HTTPS: IPv6
  • HTTPS: IPv4/IPv6
NOTE:
  • This parameter is available only when Customized Features is set to Disable.
  • The options of this parameter vary depending on the server model or BIOS version.
  • TaiShan 200 servers (models XA320 and XA320C) do not support HTTPS options.

UEFI: IPv4

IPv6 DUID Type

Specifies the IPv6 DUID type. The options are as follows:

  • DUID-LLT: indicates the link address and time.
  • DUID-LL: indicates the link address.
  • DUID-UUID
NOTE:
  • This parameter is available only when PXE Boot Capability is set to UEFI: IPv6, UEFI: IPv4/IPv6, HTTPS: IPv6, or HTTPS: IPv4/IPv6 and IPv6 PXE Support is set to Enabled.
  • Only the BIOSs on the following servers support this parameter:
    • BIOS V172 and later on TaiShan 200 servers (models 1280, 5180, 2180, 2280, 2280E, and 5280)
    • All BIOS versions on TaiShan 200 Pro servers (model 1280)

DUID-UUID

IPv4 PXE Support

Specifies the IPv4 PXE boot network protocol. The options are as follows:

  • Enable
  • Disable
    NOTE:

    This parameter is available only when Customized Features is set to NFV Feature.

Enabled

IPv6 PXE Support

Specifies the IPv6 PXE boot network protocol. The options are as follows:

  • Enable
  • Disable
    NOTE:

    This parameter is available only when Customized Features is set to NFV Feature.

Disabled

PXE1 MAC

Displays the MAC address of NIC 1.

N/A

PXE2 MAC

Displays the MAC address of NIC 2.

N/A

PXE3 MAC

Displays the MAC address of NIC 3.

N/A

PXE4 MAC

Displays the MAC address of NIC 4.

-

Figure 5-13 shows the Network Configuration screen. Table 5-9 describes the parameters.

The Network Configuration screen may vary according to the server.

Figure 5-13 Network Configuration screen
Table 5-9 Parameters on the Network Configuration screen

Parameter

Description

Port1 Configuration

LOM port 1 configuration

Port2 Configuration

LOM port 2 configuration

Port3 Configuration

LOM port 3 configuration

Port4 Configuration

LOM port 4 configuration

The following uses Port1 Configuration as an example to describe how to configure LOM ports.

Figure 5-14 shows the Port1 Configuration screen. Table 5-10 describes the parameters.

Figure 5-14 Port1 Configuration screen
Table 5-10 Parameters on the Port1 Configuration screen

Parameter

Description

Default Value

ETH Config Switch

Enables or disables the function of modifying the ETH configuration in the BIOS. After the function is enabled, the corresponding network port can be configured. The options are as follows:

  • Enable
  • Disable

Disable

Adaptive Link

Sets the auto-adaptation function of the network port.

The options are as follows:

  • Enable
  • Disable
NOTE:

This parameter is available only when ETH Config Switch is set to Enable.

Disable

Link Speed

Sets the link speed. The options are as follows:

  • NotSet
  • 10GE
  • 25GE
NOTE:
  • The menu options of this parameter vary according to the network port.
  • This parameter is available only when ETH Config Switch and Adaptive Link are set to Enable.

NotSet

Auto Negotiation

Sets the auto-negotiation function of the network port.

The options are as follows:

  • NotSet
  • ON
  • OFF
NOTE:

This parameter is available only when ETH Config Switch is set to Enable and Adaptive Link is set to Disable.

NotSet

Link Speed and FEC

Sets the link speed and Forward Error Correction (FEC). The options are as follows:

  • NotSet
  • 10GE, BASE FEC
  • 10GE, NO FEC
  • 10GE, AUTO FEC
  • 25GE, RS FEC
  • 25GE, BASE FEC
  • 25GE, NO FEC
  • 25GE, AUTO FEC
NOTE:
  • The menu options of this parameter vary according to the network port.
  • You can set this parameter only when the following conditions are met:
    • ETH Config Switch is set to Enable.
    • Adaptive Link is set to Disable.
    • Auto Negotiation is set to OFF.

NotSet

Figure 5-15 shows the NIC Configuration screen. Table 5-11 describes the parameters.

  • The parameters on this screen are dynamically obtained based on the NIC configured for the server. The displayed parameters vary according to NIC configurations.
  • Only the BIOSs of the following servers support this menu:
    • BIOS V159 and later on TaiShan 200 servers (models 2280, 5280, and 2180)
    • BIOS V169 and later on TaiShan 200 servers (model 2280E)
    • BIOS V168 and later on TaiShan 200 servers (model 1280)
    • All BIOS versions on TaiShan 200 servers (model 5180)
    • TaiShan 200 server (models 5290, 2280VE, and 5280VE)
    • TaiShan 200 Pro servers (models 2280 and 1280)
Figure 5-15 NIC Configuration screen
Table 5-11 Parameters on the NIC Configuration screen

Parameter

Description

Portx Configuration

Provides access to Portx parameter configuration.

The parameter configuration pages for different ports are similar. The following part uses the Port5 Configuration screen as an example. Figure 5-16 shows the Port5 Configuration screen. Table 5-12 describes the parameters.

Figure 5-16 Port5 Configuration screen
Table 5-12 Parameters on the Port5 Configuration screen

Parameter

Description

Default Value

Function Number

Sets the number of network port functions. The total number of functions on each CPU cannot exceed 248. The number of functions on a single port cannot exceed 128 and cannot be greater than the number of queues.

0

NOTE:

The default value of this parameter varies according to the LOM.

Tqp Number

Sets the number of queues for the network port. The total number of queues on each CPU cannot exceed 1024. The number of queues cannot be less than the number of functions.

0

NOTE:

The default value of this parameter varies according to the LOM.

BD Number

Sets the number of BDs for the network port. The value must be a multiple of 8. The minimum value is 72 and the maximum value is 32760.

1024

Buffer Size

Specifies the buffer size for the network port. The options are as follows:

  • 0.5K
  • 1K
  • 2K
  • 4K

2K
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Updated: 2023-04-27

Document ID: EDOC1100088647

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