How to upgrade your older Mac Pro firmwareGet extended capabilities on your old Mac Pro hardware
Do you have an older model 2009 Mac Pro (pre-Trash Can Mac Pro) that could use a makeover? Updating your firmware could give you added benefits such as the ability to install faster processors, faster memory, and newer macOS versions. We show you how!
Words or caution
Checking your firmware revision
Pre-upgrade
Upgrading
Final comments
Some words of caution
Getting added benefits is great. Bricking your Mac Pro is not. Note that upgrading your firmware could result in a dead system if performed incorrectly. If you absolutely cannot have a non-working Mac Pro, then do not perform this upgrade.
If you Mac Pro was installed to boot into 32-bit mode for 32-bit drivers for some hardware then this will make that hardware unusable as it defaults into 64-bit mode.
Secondly, the firmware upgrade performed in these steps are specifically for a 2009 Mac Pro. Although some have reported success with upgrading firmware on the 2007-2008 M...
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How to upgrade your older Mac Pro firmware
