your workloads tend to cause shiny new things to develop an aneurysm. On Thu, Sep 15, 2022 at 2:17 PM Michael Butash via PLUG-discuss < plug-discuss@lists.phxlinux.org> wrote: > It will usually figure out some level of compatibility that it *will* > work, until you start getting weird segfaults or crashes for no apparent > reason. My new used laptop came with mismatched 2x2 16gb sticks and > *worked*, but not something I want to test with 128gb of ram going into it > when I tend to actually use it. > > I've dealt with it a few times in my life that it's worth some expense to > avoid all that with matched sticks. > > -mb > > > > On Thu, Sep 15, 2022 at 11:08 AM Stephen Partington via PLUG-discuss < > plug-discuss@lists.phxlinux.org> wrote: > >> Some laptops and NUC's are single channel or will default to that if they >> cannot match for dual channel compatibility. >> >> On Thu, Sep 15, 2022 at 2:07 PM Michael via PLUG-discuss < >> plug-discuss@lists.phxlinux.org> wrote: >> >>> interesting. well, I must be one-lucky-dog then! I mis-matched an 8GB >>> and a 4GB with no ill effects. >>> >>> On Wed, Sep 14, 2022 at 6:01 PM Michael Butash via PLUG-discuss < >>> plug-discuss@lists.phxlinux.org> wrote: >>> >>>> I would highly recommend NOT mixing and matching sticks of ram, this >>>> has never ended well for me, particularly since most everything is >>>> dual-channel configs these days and really need to be paired exactly per >>>> bank. If you do/must, match them up as close as possible in terms of >>>> speed, cas/ras latency, etc, or only use the exact same ram down to the >>>> model number. >>>> >>>> I've long ago stopped mixing and matching sticks of ram for weird pc >>>> crashes, I always put them in as a set now. Matched sets by batch are >>>> best, or if needing a bunch of sticks for a server, buying a batch of same >>>> sticks used of ebay out of the same server has been good to me too, just >>>> make sure to run a memtest on them first to make sure they're good if >>>> used. >>>> >>>> Likewise test if using off brand random sticks, they're probably cheap >>>> for a reason ie. 2nd rate parts. These days I only use samsung memory. >>>> >>>> -mb >>>> >>>> >>>> >>>> On Wed, Sep 14, 2022 at 2:34 PM Michael via PLUG-discuss < >>>> plug-discuss@lists.phxlinux.org> wrote: >>>> >>>>> Thanks for the tip! >>>>> >>>>> On Wed, Sep 14, 2022 at 4:34 PM Stephen Partington < >>>>> cryptworks@gmail.com> wrote: >>>>> >>>>>> if your motherboard/bios is well designed yes, they will run at the >>>>>> slower speed. you can even encourage this compatibility by installing the >>>>>> slower module in the first memory channel. >>>>>> >>>>>> On Wed, Sep 14, 2022 at 4:32 PM Michael wrote: >>>>>> >>>>>>> Thanks! Does that mean both will be the slower speed? >>>>>>> >>>>>>> On Wed, Sep 14, 2022 at 3:31 PM Stephen Partington < >>>>>>> cryptworks@gmail.com> wrote: >>>>>>> >>>>>>>> technically yes. but one is faster than the other. >>>>>>>> >>>>>>>> On Wed, Sep 14, 2022 at 1:57 PM Michael via PLUG-discuss < >>>>>>>> plug-discuss@lists.phxlinux.org> wrote: >>>>>>>> >>>>>>>>> https://www.ebay.com/itm/324592214962 >>>>>>>>> >>>>>>>>> https://www.ebay.com/itm/324588786229?mkevt=1&mkpid=0&emsid=e11050.m43.l1123&mkcid=26&ch=osgood&euid=928c7022651c489a853c83def083a70e&bu=44153278520&osub=-1%7E1&crd=20220913222229&segname=11050 >>>>>>>>> If they are, how is the more expensive one better? >>>>>>>>> -- >>>>>>>>> :-)~MIKE~(-: >>>>>>>>> >>>>>>>> --------------------------------------------------- >>>>>>>>> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >>>>>>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>>>>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> A mouse trap, placed on top of your alarm clock, will prevent you >>>>>>>> from rolling over and going back to sleep after you hit the snooze button. >>>>>>>> >>>>>>>> Stephen >>>>>>>> >>>>>>>> -- >>>>>>> :-)~MIKE~(-: >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> A mouse trap, placed on top of your alarm clock, will prevent you >>>>>> from rolling over and going back to sleep after you hit the snooze button. >>>>>> >>>>>> Stephen >>>>>> >>>>>> >>>>> >>>>> -- >>>>> :-)~MIKE~(-: >>>>> --------------------------------------------------- >>>>> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >>>>> To subscribe, unsubscribe, or to change your mail settings: >>>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>>> >>>> --------------------------------------------------- >>>> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >>>> To subscribe, unsubscribe, or to change your mail settings: >>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>> >>> >>> >>> -- >>> :-)~MIKE~(-: >>> --------------------------------------------------- >>> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >>> To subscribe, unsubscribe, or to change your mail settings: >>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> >> >> -- >> A mouse trap, placed on top of your alarm clock, will prevent you from >> rolling over and going back to sleep after you hit the snooze button. >> >> Stephen >> >> --------------------------------------------------- >> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> https://lists.phxlinux.org/mailman/listinfo/plug-discuss > > --------------------------------------------------- > PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss -- A mouse trap, placed on top of your alarm clock, will prevent you from rolling over and going back to sleep after you hit the snooze button. Stephen