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Re: [OT] detecting the RAM speed



On Sun, Jul 08, 2001 at 02:04:18PM +0200, Martin F. Krafft wrote:
> hi guys,
> a guy on ebay is trying to cheat. i got a 256Mb/133 SDRAM module from
> him, which wwas defective (according to memtest86). so i sent it back,
> and received a replacement. this replacement was not detected by my
> machine until i changed the bus speed for the RAM slots to 100Mhz (it
> was at 133MHz) before. aside from the fact that this module was also
> defective, how can i determine *for sure* whether the module is 100MHz
> or 133MHz? it has a sticker on it saying 133MHz, but that doesn't mean
> anything.
> 
> martin;              (greetings from the heart of the sun.)
>   \____ echo mailto: !#^."<*>"|tr "<*> mailto:"; net@madduck

Well, I guess one way you could tell would be from the memory chips'
latency.  For 133MHz, it would have to be lower than 7.5ns (inverse of
133MHz) to be able to run.  Can memtest86 detect the latency?  Or
maybe the latency is marked on the chips?

-- 
Brian Nelson <nelson@bignachos.com>



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