Friday March 31, 2017

Ryzen FMA3 Code Sequence Bug to be Fixed in AGESA in BIOS Updates

Those of you out there running Ryzen systems concerned about the FMA3 bug which can result in a hard locked system should start keeping your eyes open for new BIOS updates. According to AMD's blog, BIOS updates containing the new AGESA code, v. 1.0.0.4, will start hitting the public in early April.

See below for a list of fixes/improvements.

News Image

  1. We have reduced DRAM latency by approximately 6ns. This can result in higher performance for latency-sensitive applications.
  2. We resolved a condition where an unusual FMA3 code sequence could cause a system hang.

  3. We resolved the "overclock sleep bug" where an incorrect CPU frequency could be reported after resuming from S3 sleep.
  4. AMD Ryzenآ™ Master no longer requires the High-Precision Event Timer (HPET).

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