GPT labeled disk support is available on SPARC based systems. The following table describes the supported firmware for SPARC platforms.
If your SPARC T4, T5, M5, or M10 system has older firmware, perform the following steps to download the updated firmware from My Oracle Support:
Sign in to My Oracle Support.
Click the Patches & Updates tab.
In the Patch Search box, select the Product or Family (Advanced) search option.
In the Product Is field, type a partial product name to display a list of possible matches, and then select the product name.
Select one or more releases from the Release Is drop-down menu.
Click the Search button to display a list of available downloads that are listed as patches.
Select the patch name that you want to download.
The download page is displayed.