[G4] Memory Culprit?

[Franck]

Are you guys sure about this?  I must ask because the two 10ns PC133 
DRAM I have were sold to me by a vendor that supports this list.  One 
512, one 256.  The Apple memory that came with the machine is 7.5ns.   
Thanks.  Franck.

On Sunday, November 16, 2003, at 04:08  PM, Brian Conner wrote:

> Excellent post, sandor.
>
>
> Brian Conner
>
>
> -----Original Message-----
> From: Power Macintosh G4 List [mailto:G4 at lists.themacintoshguy.com] On
> Behalf Of sr ferenczy
> Sent: Sunday, November 16, 2003 2:05 PM
> To: Power Macintosh G4 List
> Subject: Re: [G4] Memory Culprit?
>
>
> actually, that is exactly what would mess things up. for instance, to
> be able to be properly spec'ed as PC100 ram, the DRAM must run at at
> least 8 ns , so the 10 ns ram that the original poster had wouldnt even
> meet the PC100 specs of the first G4s produced.  hence, problems will
> abound.
>
> as far as OS X being much more picky about ram, it is to an extent, but
> more so this is due to the fact that OS X uses almost all your ram at
> all times (especially if you have under 1 GB) any free ram available,
> the system will pick up for disk cache, etc. so in essence, OS X is
> much more likely to find hidden ram errors than OS 9 just because it
> uses the ram much more robustly.
>
> as far as memory testers, most are fairly high level testers (hence
> they are also fairly quick) a full test of ram could take days, and the
> number of different combinations that an OS could send to ram is
> enormous, and it could easily be that only one particular combination,
> or one specific order of combinations actually causes the ram to fail.
> thus since OS 9 didnt use ram nearly as extensively as OS X, it wasnt
> until OS X that people started to realize their crap ram....
>
> sandor
>
>
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