>Success!!!!!
>
>Well, partial success at least.  I got a little bored this afternoon
>and decided to play around w/ my CS motherboard...  I pulled out my
>trusty 15W soldering iron, some tweezers, and a toothpick and
>succeeded in upclocking my 100MHz 603e based 5300cs to 116.7MHz !!! 
>
>It's not much of a speed boost, but for everyone who wishes they had
>the extra 17MHz, I finally figured out how to do it!
>
>For the record, this is what I did:
>
>-I moved resistor R48 to position R46.
>    I tried booting at this point and succeeded in getting some garbled
>chimes, but no boot.
>-I moved resistor R43 to R127
>    I tried booting at this point (w/ extensions disabled*) and got to
>the desktop. 
>
>I'm running Newer Tech's Gauge Pro's memory tests right now with no
>crashing...
>
>If you want some details on how to change your CPU multiplier from 3x
>to 3.5x, go to my website
>: <http://homepage.mac.com/alk/projects/5300/5300oc.html>
>The site hasn't been updated w/ my success yet, but the info is
>correct.

Nice job ! Outstanding !

>However, if you are looking for the best speed boost, I'd still go for
>changing your bus speed to 36 or 38MHz - a faster bus means a faster
>CPU _AND_ faster memory throughput - a big bottleneck on this machine.

You might be able to get away with a 40 MHz bus and a 2.5 multiplier.

>Next project: install 512K of extra VRAM on the standard 100MHz mobo
>to "create" a CE motherboard!  (Yeah, I probably won't do this, but
>it's nice to think about...)

Why not ?  It cant fail ! The open spot on the motherboard just BEGS 
for soldering !

>I'll write back later when i've run a few tests to see if it's stable.
>  Anyone have a copy of MacBench?  I can't find it anywhere on the
>web... :-(
>
>Peace out!
>(an excited) Drew

Mad Dog

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