Hey thanks for replying. It was hidden, but I found the latest BIOS version 3.21a which fixes the freezing issue here:

ASRock Bios Downloads - PCTreiber.Net

Problem solved! By the way, this...

Water

Jails

Totally loving my Pi running as a cloud backup for all my files as I travel around the world.

The Phantom of the Opera

Yes, pics please!

Hi Haz, I'm experiencing the same problems with the random freezing on my system - just about the same specs as you.

Which BIOS version did you upgrade to?

Thanks much.