Macpro modification problems

Discussion in 'Mac Pro' started by dochoc, Aug 15, 2012.

  1. dochoc macrumors newbie

    Joined:
    Aug 15, 2012
    #1
    Ok so I took the plunge and sourced a set of used ,matched SLAEG X5355 CPU s, an BNIB Apple spec Radeon 5770 graphic card, and a BNIB 120 GB SSD.
    Following advice from the forum, I upgraded the firmware to 2,1 first, then installed the SSD into a spare HD bay. I did a clean install of LION using a new thumb drive onto the SSD leaving Snow leopard on the old HD,transferred over the rest of the HD drive contents bar SL and booted up. Everything working perfectly . Firmware showing up as 2,1 and recognising the two 5160 dual core CPU s.
    Next step installed the 5770 with no problems and again all running perfectly.
    Final stage removed the old 5160 s and installed the 5355 s. New artic 5 Silver thermal paste applied as directed . Reassembled and rebooted.
    Great all perfect, and now detecting the 5355 Quad cores. Very quite and lot faster. Have been running all week until today. Booted up and the fans kicked in on full speed ,sounds like a mini jet taking off.
    Checking the temps with Temperature monitor. CPU s running around 30 C and all looking good apart from one of the memory modules which was showing 129 C.
    All the rest of the memory showing 37-40 C.

    What could have happened?
    I have 16GB of Apple memory installed , 2GB in all eight slots , and have been running this from day one.

    All thoughts gratefully received.
     
  2. paulrbeers macrumors 68040

    Joined:
    Dec 17, 2009
    #2
    Have you tried removing the memory registering 129C (obviously that means pulling 2 sticks). Something is up with that stick (or the sensor, or the memory "board")..... The fans would kick up to cool the memory stick.

    Edit: It's also interesting to see someone who upgraded from the 3.0ghz 5160 to the 2.66ghz X5355's. Several members on this forum think that the 5160's are the best processors for the 1,1's (I think the X5355's and X5365's are best personally).
     
  3. 666sheep, Aug 15, 2012
    Last edited: Aug 15, 2012

    666sheep macrumors 68040

    666sheep

    Joined:
    Dec 7, 2009
    Location:
    Poland
    #3
    OP: Remove this stick ASAP in case if it isn't just bad sensor and it really runs 129C :eek: and get a replacement one.

    No offense, but what do you can't understand? People's choice what is best for their own kind of workflow? Some people just don't run Geekbench for a life, you know ;)
    Only one who wrote absolute BS in that thread was notorious MR troll (this time under nick Mengele).
     

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