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6. Configuring Boot via UEFI HII (Human Interface Infrastructure) in a UEFI 2.1 System
Configuring Adapter Parameters
Changing the Link Speed
Use this feature to change, or force, the link speed between ports instead of
auto-negotiating. The supported link speeds depend upon the adapter. The menu only
displays options that are valid for the selected adapter.
Note: The Link Speed setting will be overwritten by the FC driver and will not take
effect during a regular boot into the local operating system. Therefore, setting
the link speed from the BIOS utility should only be used with boot from SAN.
Possible link speed choices:
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Auto negotiate – Default
1 Gbps
2 Gbps
4 Gbps
8 Gbps
16 Gbps
8 Gbps or 4 Gbps
16 Gbps or 8 Gbps or 4 Gbps
16 Gbps or 8 Gbps
To change the link speed:
1. From the Adapter Selection screen (Figure 6-1 on page 50), select the adapter whose
link speed you want to change and press <Enter>.
2. From the Main menu (Figure 6-2 on page 51), select Configure HBA and Boot
Parameters and press <Enter>.
Boot for the Fibre Channel Protocol User Manual
P011056-01A Rev. A
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