Xserve EFI Firmware Update 1.2 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application relates to System Tools. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of this Mac application is Apple, Inc.
From the developer:
Xserve EFI Firmware Update 1.2...This update addresses the following issues for Xserve (Early 2009) computers: Improves compatibility with virtualization products utilizing VT-d Improves system reliability during the boot process
You may want to check out more Mac applications, such as Mac mini EFI Firmware Update, which might be similar to Xserve EFI Firmware Update.
System Optimization
Device Assistants