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MrCommunistGen

Strix B450-I +12V reading too low

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I just upgraded my Asus ROG Strix B450-I Gaming to its latest BIOS (2801) which contains the 1.0.0.3 ABBA AGESA version.  I don't remember if there was an issue with the voltage reading before the update, but there's clearly an issue now.  I also updated AIDA64 to v6.10.5200 recently. 

At idle, the +12V shows ~10.082V, and when the system is loaded it shows ~9.973V.  These values are clearly wrong as the system would not be stable with that low of an input voltage.  For what it is worth, my PSU is a Corsair SF600 Platinum.

image.thumb.png.5c5d11d5cc8430bc03a34685c4dd54ee.png

 

Using a different tool I'm seeing 12.034V at idle and 11.968V under load.

 

I've attached a report of the system at idle.

B450-I Report 09282019.htm

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17 hours ago, MrCommunistGen said:

I just upgraded my Asus ROG Strix B450-I Gaming to its latest BIOS (2801) which contains the 1.0.0.3 ABBA AGESA version.  I don't remember if there was an issue with the voltage reading before the update, but there's clearly an issue now.  I also updated AIDA64 to v6.10.5200 recently. 

At idle, the +12V shows ~10.082V, and when the system is loaded it shows ~9.973V.  These values are clearly wrong as the system would not be stable with that low of an input voltage.  For what it is worth, my PSU is a Corsair SF600 Platinum.

image.thumb.png.5c5d11d5cc8430bc03a34685c4dd54ee.png

 

Using a different tool I'm seeing 12.034V at idle and 11.968V under load.

 

I've attached a report of the system at idle.

B450-I Report 09282019.htm 850.76 kB · 0 downloads

AIDA64 uses the standard Asus WMI ACPI interface that has a known issue in a few BIOS versions on AM4 motherboards.  You need to wait for Asus to fix this bug in the BIOS of your motherboard.

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