On Thu, 24 Jul 2008 12:57:29 +0000, Robert Redelmeier wrote:
> In alt.lang.asm 599863331 599863331 <599863331@[EMAIL PROTECTED]
> wrote in
> part:
>> On Thu, 24 Jul 2008 10:19:11 +0200, Skybuck Flying wrote:
>>> I would like to have a memory test which tests each memory cell by
>>> cell.
>
>> You truly are a ****wit. Such a test is practically useless.
>
>
> You must need the ad-hominem because you have no better argument.
>
> Memory testing is _extremely_ im****tant in the [homebuilt] PC world
> where ECC is only rarely used. If you look at the server world, memory
> failures (presumably indicated by ECC logs) are surprisingly common,
> just after hard disks and PSUs.
>
> There are uncountable variations in components: memory modules,
> motherboards, power supplies that can impact memory reliability. Sure
> the modules are tested by special-purpose intense machines. But that is
> no assurance of system performance. I have seen errors in the 1 per two
> hour range. These are would usually get blamed on the OS.
>
> If they are working responsibly, the first tier PC mfrs (Dell, HPaq,
> ...) should be exhaustively testing their base model designs and some
> sampling of line production. Then they rely on statistics for quality
> assurance of their production runs. Unit testing let alone burn-in costs
> too much time [money].
>
> In addition to the usual advantages of customizability and often lower
> cost, a user-built PC can be more _RELIABLE_ than name-brand if the
> builder pays attention to all the hidden factors like case airflow,
> grounding, cable routing, etc. The testing [burn-in] makes the
> difference -- instead of statistical reliability, you get actual
> component testing with the actual capacitors, traces, etc.
>
> Put it this way: when I buy a name-brand, the first thing I do is test
> it.
>
>
> -- Robert
I was talking about per cell testing, not about memory testing. Now go
away and study the internal design and manufacture of RAM chips and get
back to me.
By the way, the person I was responding to is a troll and deserves a more
comprehensive accolade than ****wit.
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