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Is there a way to gather information as to when a BIOS on a particular server has been updated?

I'm not looking for the BIOS release date, I'm looking for the date in which the bios was actually updated.

I suspect some people updating BIOSes in our environment but since we don't keep a maintained list of incoming/existing BIOSes its hard to tell if someone has changed it recently.

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    afaik, you could only determine this by checking the filesystem for the existence of update tools or images, and see when they were executed or accessed - unless cd or usb were used, then no. bios doesn't store a modified-date, only revision info – pete May 9 '14 at 17:26
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Should be in the DRAC system logs on the Dell. Have you checked there?

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    Look for iDRAC log entries similar to the following: Updating firmware for Server BIOS 12G to version 2.2.2. - Successfully updated the Server BIOS 12G firmware to version 2.2.2. - Version change detected for BIOS firmware. Previous version:2.1.3, Current version:2.2.2 – joeqwerty May 9 '14 at 22:21
  • You realize, of course, that it is fairly easy to clear the log out. Thus this method is not necessarily foolproof. – mdpc May 10 '14 at 5:10
  • Sure it isn't. But you'll see the date it was cleared. – mfinni May 10 '14 at 16:39

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