Mismatched memory
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Thread: Mismatched memory

  1. #1
    Join Date
    Jun 2001
    Location
    Parkville, Md., USA
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    1,175

    Mismatched memory

    Working on an HP Touchsmart PC320 1050, AIO. Would like to upgrade memory. Total onboard, 6GB, though that is not recommended in a Crucial memory check. System says 6 GB onboard. System boots slow. Checking: The 4 GB stick, Samsung 4 GB, 2Rx8, PC3 10600S - 9-11-F3 CH 9-1141. That seems to make sense. The second chip is a mystery: Hynix 2 GBs 1Rx8, PC3 10600S 9-10-B1 HMT -32556BFI8C-H9NOAA 1137. Crucial does not list anything for a 6GBs configuration for this unit, only a 4GB and 8GB.
    Questions: Can I pull the 2 GB chip and replace it with a matching 4 GB chip, to bring the unit to 8 GBs? OR, can I just order a matching pair of 2x4 GB chips, bringing the unit to 8 GBs, the maximum install as indicated by Crucial? I find it odd that there's a 2 GB chip installed in the machine, while there is no evidence online that this will work or should work. Could it be a matter of it being seen in the CMOS, but not really contributing to the function of the computer? PS: I had to replace the hard drive which was flashing a message on boot that it was about to give out. Replace hard drive (cloned) and all boots well. Thanks, in advance. Jim S.
    Jim S.

  2. #2
    Join Date
    Mar 2009
    Location
    Arkham Asylum, Cell 13
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    11,686
    Questions: Can I pull the 2 GB chip and replace it with a matching 4 GB chip, to bring the unit to 8 GBs? OR, can I just order a matching pair of 2x4 GB chips, bringing the unit to 8 GBs, the maximum install as indicated by Crucial?
    I would buy the 2x4 set.

    As far as the 2+4 combo, it depends on the chipset. If the bios sees it, then it would be working. HP probably did that to cut costs. You'd usually want a matched pair, that's why Crucial sells them as such.

    You can run dissimilar brands ram, but there is no guarantee that they will be compatible together.

  3. #3
    Join Date
    Apr 2000
    Location
    Sheboygan, WI
    Posts
    53,392
    Mismatched ram.
    1. will not boot.
    2. boot by you have all kinds of hair pulling errors
    3. Runs fine

    Buy a matched set and sell what you have. Yes HP does mix ram like that and the Hynix is the stick that goes bad first. Usually takes a few years for that to happen though. Just my experience.

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