Chapter 4. Using the EFI Utility to Manage System Configuration

Chapter 4. Using the EFI Utility to Manage System Configuration
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This chapter describes how to use the Extensible Firmware Interface (EFI) utility to manage system configuration and covers the following topics:

Setting an Administrative Password on the Console

This section describes how to use the SGI BIOS setup utility software residing on the BaseIO blade to set an administrative password on the console.

Procedure 4-1. Setting an Administrative Password on the Console

To set an administrative password on the console using the BIOS setup utility, perform the following steps:

From the CMC, perform a power reset, as follows:
system-cmc CMC:r001i01c>power reset
When prompted on the console, hit the space bar for the Boot Menu, as shown in Figure 4-1.
Figure 4-1. Console Prompt for Boot Menu Screen
From the boot manager screen, select Device Manager, as shown in Figure 4-5.
Figure 4-2. Device Manager Screen

Navigate the Device Manager, as follows:
- F1=Scroll Help
- Shift-6(^),v or arrow keys to Move Highlight
- F9=Reset to Defaults
- Enter=Select Entry
- F10=Save
- Esc= Exit without Save
- Change setting values with plus (+) and minus (-) keys
- Use CTRL-] q to exit the console.
From the Device Manager screen, select Security, as shown in Figure 4-3.
Figure 4-3. Device Manager Screen Security Option
From the Security screen, select the Admin Password option, as shown in Figure 4-4.
Figure 4-4. Security Screen Admin Password Option
From the Security Admin Password screen, enter the new administrative password, as shown in Figure 4-5.
Figure 4-5. Security Screen for Setting Administrative Password
When you reboot the system, the console will be locked and you will be prompted for a password before the system finishes booting and the Shell> prompt appears, as shown in Figure 4-6.
Figure 4-6. Console Administrative Password Prompt
The console password can be deleted by clearing the EFI variables, as follows:
system-cmc CMC:r001i01c> power -c reset
You can change the console password in the same manner you originally set it. If you delete the password with the power -c reset command, you need to go back through the setup screens to set it again.

Determining the System APIC Mode

This section describes how to ensure that the Advanced Programmable Interrupt Controller (APIC) mode is correctly set.

Procedure 4-2. Determining the System APIC Mode

To determine the system APIC mode, perform the following steps:

Perform the first few steps in Procedure 4-1 to get to the boot manager Device Manager screen.
From the Device Manager screen, select Advanced, as shown in Figure 4-7.
Figure 4-7. Device Manager with Advanced Option Screen
From the Advanced screen, select SGI Custom Configuration, as shown in Figure 4-8.
Figure 4-8. Device Manager Advanced Screen
From the SGI Specific Configuration screen, you can verify or change the system APIC mode, as shown in Figure 4-9.
Figure 4-9. SGI Specific Configuration Screen

Determining the System BIOS Level from the Boot Manager

This section describes how to determine the Altix UV system BIOS level using the boot manager.

Procedure 4-3. Determining the System BIOS Level via the Boot Manager

To determine the system BIOS level using the boot manager, perform the following steps:

Perform the first few steps in Procedure 4-1 to get to the boot manager Device Manager screen.
From the Device Manager screen, select Main, as shown in Figure 4-10.
Figure 4-10. Device Manager Main Option Screen
The Main screen appears, as shown in Figure 4-11, where you can read the BIOS Revision and other useful information.
Figure 4-11. Boot Manager Main Screen

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