Modifying BIOS Settings

If the physical machine is configured with two NUMA nodes, modify the BIOS settings.

Enable One Numa Per Socket and Die Interleaving in the BIOS, as described in Table 1.

**Table 1** BIOS settings for the two-NUMA node configuration
Option	Value	Option Path
One Numa Per Socket	Enabled	Advanced > Memory Configuration > One Numa Per Socket
Die Interleaving	Enabled	Advanced > Memory Configuration > Die Interleaving

Set the configuration items based on the recommended settings in the preceding table.

Restart the server and access the BIOS.
For details, see "Accessing the BIOS" in TaiShan Server BIOS Parameter Reference (Kunpeng 920 Processor).
Enable One Numa Per Socket.
In the BIOS, choose Advanced > Memory Configuration and set One Numa Per Socket to Enabled.
Enable Die Interleaving.
In the BIOS, choose Advanced > Memory Configuration and set Die Interleaving to Enabled.
Press F10 to save the BIOS configuration and restart the server.

Parent topic: CPU Optimization Configuration for Two-NUMA Node Scenarios