On 03/08/2013 09:38 AM, Kwan Lowe wrote: > On Thu, Mar 7, 2013 at 8:51 PM, Johnny Hughes <johnny at centos.org> wrote: > >> I have 2 of these motherboards (ASUS M5A99X EVO R2.0) that I am using in >> CentOS development and testing. I am not seeing this issue .. I have >> "M5A99X EVO R2.0 BIOS 1503" dated "2013/01/31 update". >> >> Do you have the latest BIOS? > Thank you for your reply. > > Yes, latest BIOS installed. I have 2 of these also with similar > configurations except for the NIC. One works perfectly the other has > constant freezes. The working one has a slightly older BIOS so I'm > thinking of downgrading the giltchy one. > > As far as logging goes, any idea what sort of failures could cause > such a lockup? I.e., if memory was failing, would the system still be > able to log? As the mouse is frozen and kernel sysrq has no effect, > I'm still leaning towards hardware but literally everything except the > case has been swapped out. (Well.. let me qualify that.. Everything > but the 64GB SSD drive has been swapped but it seemed unlikely that a > drive failure could cause such a lockup. Incorrect assumption?) The board has a couple of buttons on it to find the best memory timings, etc. The button is labeled Memory OK! .. and is on the top right corner of the board. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20130308/927c7031/attachment-0005.sig>