On Wed, 09 May 2012 17:35:51 -0500, Stan wrote in message <[email protected]>:
> On 5/9/2012 11:43 AM, Seyyed Mohtadin Hashemi wrote: > > An update: > > > > I tried CentOS 6.1 (the only one i had at hand) and it gave the > > exact same result as Debian. > > > > I have in the meantime tried to use other RAM modules, and > > unfortunately they also did not give more than 3.5gb. Considering > > that i pulled the ram from a 24/7 stable system i assume that it is > > indeed the motherboard/BIOS that does not function properly. > > That is not a safe assumption given how picky socket G34 is with > memory channel configuration. > > > I will return the motherboard and see if i > > can get one that works. > > Before you return the board, would you mind posting the manufacturer, > part number, and specs of each of the 16 DIMMs you have installed? > They should all match. Are they all indeed the same part# from the > same vendor? Are they unbuffered or registered? Are they single, > dual, or quad rank modules? All of these things matter, greatly. > > Unfortunately, Asus doesn't provide the proper table in the manual for > this board that shows which combinations of speed, density, rank, and > un/buffered DIMMs work in socket G34. SuperMicro does, and frankly > they're the only vendor of AMD server boards I'd ever use because of > their attention to all the details. Socket G34 is fairly picky > regarding DIMM configurations, especially with high density (8/16GB) > modules, though not as picky with low density (1/2/4GB) modules. > > 16 identical unbuffered, or registered, 4GB DDR3-1333 SR or DR DIMMs > *should* work, so long as you don't put both unbuffered and buffered > DIMMs in the same two slot channel. ..a test suggestion: remove 2 of the 16 ram sticks and make sure the remaining 14 is set up according to the main board manual's ram stick map, I saw it posted in this thread. If this test works, you should see 56G once booted up. -- ..med vennlig hilsen = with Kind Regards from Arnt Karlsen ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
