>Ok, I ran some tests in MacBench 5.  The results are on my
>website: <http://homepage.mac.com/alk/projects/5300/5300oc.html>
>
>Any speed differences between the overclocked CS motherboard and the
>standard CE motherboard are probably coincidental.  As you can tell,
>the specs are almost exactly what you would expect and are very
>similar to the performance of a PowerBook 1400/117.  ;-)  Next up:
>changing the bus speed.... Soon as I get around to ordering the parts
>from Digi-Key
>
>Mad Dog:  The VRAM chip on my 5300cs says:
>
>TI       -70
>TMS55165DGH
>HD 58A72AC P
>

Same as mine.  Probably the same type of VRAM is on a 3400 and 1400. 
Want me to send it to you ?

>At least, that's what's printed on the IC that I think is the 512K of
>VRAM. It's at position U10 on the bottom of the mobo...  Any idea
>where the MMU is on this machine?  These 603e's didn't have integrated
>memory controllers, did they?  There's a monster TI chip under the
>603e - that's not a 3rd party MMU, is it?

IIRC, its part of the CPU, but I am not an expert.

>The Whitney (U12) chip controls IDE, right?
>That ITT (U6) chip does the ATA/IDE expansion (media bay) I think...
>The T-Rex (U24) IC should be the PCMCIA controller....
>And I don't know what the rest of the stuff does... Can't find the
>"singer" chip (which controls audio)...  It's interesting seeing an
>AMD IC on that board (U20).  I wonder what that does?

Its mostly a mystery to me, except the Chips 65225 is the video 
controller (I think).

>Peace out,
>Drew

Mad Dog

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