Red Hat Enterprise Linux 4: Installation Guide for x86, Itanium™, AMD64, and Intel® Extended Memory 64 Technology (Intel® EM64T)
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# A.3. Upgrade Boot Loader Configuration

A software boot loader is used to start Red Hat Enterprise Linux on your x86-based system. It can also start other operating systems, such as Windows. If you are using a Red Hat Enterprise Linux software boot loader, such as GRUB, it is detected automatically.

| Note
| The boot loader information presented here is not applicable for Itanium, AMD64, or EM64T systems.

On the Boot Loader Configuration Screen, your options are:

Update boot loader configuration — Choose this option to keep your current boot loader configuration (GRUB or LILO depending on what you have currently installed) and have updates applied.

Skip boot loader updating — Choose this option if you do not want to make any changes to your current boot loader configuration. If you are using a third party boot loader, you should not update your boot loader.

Create new boot loader configuration — Choose this option if you want to create a new boot loader for your system (refer to Section 4.17 x86, AMD64, and Intel® EM64T Boot Loader Configuration for more information).

Once you have made your selection, click Next to continue.

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