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From: "Tamouh H." <hakmi@rogers.com>
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Subject: RE: RAM problems
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>=20
> Dear bsd people,
>=20
> I have this amd64 system running freebsd 6.1 with 1 GB of RAM=20
> and everything worked very well. Then I've added some  more=20
> ram, 2 gb extra, to be precise and aft first it seemd=20
> everything worked fine. I could load larger files and my java=20
> apps didn't give me out-of -memory problems anymore.
>=20
> But everytime I want to upgrade my ports or compile a new=20
> kernel, the machine would freeze and the only way to go was=20
> to use the reset button. I don't like the look of that.
>=20
> Has anyone had similar experiences? I've had two 512MB=20
> corsair memory banks, and added two 1GB banks (oem).
>=20
> I find it really strange that I can use the bigger RAM but=20
> compiling gives problems. Could it also be that the banks=20
> could be attached better in my motherboard?
>=20
> What should I do now? Continue using it, without=20
> portupgrading or compiling a new kernel or ask a new pair of=20
> banks at the store?
>=20
> Thanks

Mixing memory brands/specs is a BAD idea. As previous suggested , do =
MEMTEST86 on the new RAM by itself to spot any issues. But it could also =
be a conflict if using two different versions of RAM.

Tamouh