[aclug-L] Re: Memory Types

[Jeff Vian <jvian10@xxxxxxxxxxx>]

Anne McCadden wrote:
> 
> On ZDnet, I saw and downloaded a linux memory tester that can be
> installed to a floppy.  I haven't had a chance to try it yet, but a very
> reliable source told me that it works great.  I wanted to get this
> tester for work.  Our memory testers don't test 512mb DIMM's or any type
> of DDR memory.  Additional memory tester machines are not in the budget
> in the next year or so.  Anne
> 
> David Carmichael wrote:
> >
> > Does anybody know of a program that will fit on a floppy/CD to tell
> > and test RAM on a computer no mater what "OS" is installed? Self
> > booting disc.
> >


    www.memtest86.com  
This is a site that allows you to dowmload their version 2.9 and after
compiling on Linux I made a boot floppy that does nothing but test the
memory with several options.

I had a memory dimm (ddr) for an athalon that I found was definitely bad
with this. I was able to identify which dimm was bad and it followed
even moving the dimm to a different slot and relocating it in relation
to other dimms in the system.

Prior to doing this test I suspected the motherboard was bad but had no
way to tell which was at fault because I had no errors, just
intermittent hangs or process failures and it only occured when the
memory slots were full.

The neat thing is that you can put the image on you drive and set up
lilo or grub to boot it and you do not even need the floppy to do it.
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