Xserve CPU upgrade (Woodcrest to Harpertown)

Discussion in 'Mac Pro' started by praetorx, Dec 11, 2011.

  1. praetorx macrumors regular

    Apr 7, 2010
    I've found a cheap Xserve (late 2006) with two dual core Xeon @3ghz that I'm planning to buy and upgrade to two quad core Xeon @3ghz.

    The "stock" Xeons are Woodcrest and target CPUs will be Harpertown. Both share the same FSB, socket and multiplier just different voltages but I'm still not 100% convinced that they're going to work given the age of the server.

    Xeon 5160
    3 GHz 4 MB 1333 MT/s 9× 1.0–1.5 V 80 W LGA 771

    Xeon X5450
    3 GHz 2 × 6 MB 1333 MT/s 9× 0.85–1.35 V 120 W LGA 771

    What do you think?
  2. Umbongo macrumors 601


    Sep 14, 2006
    No one got it working with Mac Pros, so I doubt they will work on Xserves. May only require a firmware update - as that was all that was needed with many OEM boards - but no one ever solved it.
  3. praetorx thread starter macrumors regular

    Apr 7, 2010
    Did some searching and got the same thing. How about Clovertowns?
  4. nanofrog macrumors G4

    May 6, 2008
    Yes, Clovertowns will work.

    The fastest you'll be able to stuff in that system is an X5365 (4x cores @ 3.0GHz, FSB = 1333).
  5. praetorx thread starter macrumors regular

    Apr 7, 2010

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