1GB memory ECC registered vs non-registered

Kevin Stevens Kevin_Stevens at pursued-with.net
Mon Apr 7 09:40:46 PDT 2003


> Currently have some ISP1100 rackmount servers with 512k ECC unregistered
> PC100 RAM in them.  In preparing to pick up more memory to boost these
> little boxes up to 1GB of RAM each, a memory company rep indicated that
> unregistered ECC would work fine up to 512mb, but if we moved to 1GB
> of memory then we would have to switch all memory over to registered
> ECC or we would run into problems...
>
> comments or insight?

That doesn't sound correct to me.  Registered vs unregistered is a
functionality issue.  Either the motherboard is designed to work with
registered RAM, or unregistered - I've not personally encountered any that
work with both.  By "not work" I mean /black screen/no ram/can't load
BIOS/.

KeS


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