L3 cache is unlockable on Athlon II X4 620, benchmarks galore

3 Responses

  1. Quad_Tube says:

    That’s pretty cool – I just bought one of these CPU’s and look forward to unlocking the cache. Thanks a lot for you all your hard work :)

  2. gnudude says:

    I noticed as well that my chip was marked 2008 instead of 2009. I have not tried an unlock yet as my mobo has SB700, for now, gonna get a new one to try this out. I did notice something strange though. I loaded memtest86 from an ubuntu live cd and it said my processor was “AMD Opteron (0.13) 2606mhz” but I’m not sure if that would be accurate. I did see this post http://www.xtremesystems.org/forums/showthread.php?t=231697 claiming someone unlocked an athlon ii x2 but again I wonder about the validity of these claims.

  3. PhrozenTec says:

    Asus m4a785-m with an asus bios update unlocked 6 MB L3 cache on my Athlon IIx4 620 using ACC and unleashing mode. Programs still report Propus label but all show L3 cache and has been stable at 3.0 Ghz for awhile. 3.250Ghz was stable but with stock cooling and 3rd party paste i didnt like the temps IMO, 38-61. 3.0 Ghz keeps temps at 32-53. i assume raising voltage raises temps so i kept all stock voltages the whole time if i remember correctly. If anything i used 1.3v manually at the 3.2 Ghz but like i mentioned i backed it down just to be safe. And as mentioned in every forum/review the CPU must be from a certain batch and the motherboard must be capable of the task.

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