[TI-H] Re: TI-89 HW2 overclocking


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[TI-H] Re: TI-89 HW2 overclocking



> Hi, I've found several pages on TI-89 overclocking. This one in particular
> has a table of values of capacitance vs. MHz:
>
>
http://translate.google.com/translate?hl=en&sl=fr&u=http://planete89.free.fr
/hardware.php3&prev=/search%3Fq%3Dti-
> 89%2Boverclock%2Bc10%26num%3D50%26hl%3Den%26lr%3D%26ie%3DUTF-8%26oe%3Dutf-
> 8%26sa%3DG
>
> The original in French is:
> http://planete89.free.fr/hardware.php3
>
> They are replacing C10, so they're overclocking a HW1 calculator.
>
> Here is the table: (monospaced)
>
> Capacity Time Frequency
> 2.7pF do not go do not go
> 3.3pF (some bugs) - 7s 22.9MHz
> 5.6pF (of small the bugs) - 7.5s 21.3MHz
> 10pF 8s 20MHz
> 12pF 9s 17.8MHz
> 22pF 11s 14.5MHz
> normal 15s 10.7MHz
> 100pF 27s 5.9MHz
> 120pF 30s 5.3MHz
> 390pF 205s 0.8MHz
>
> where "Time" is the time to complete the benchmark of graphing z=sin(x)
> +cos(y) and Frequency is
> measured by TiBench 1.0.

That's cool, the TI-83+ Graph3 does this very function in 8-9 seconds :-P
I don't know about the precision of this program nor the precision of the
89.

> I'm wondering about the relevancy of this information to overclocking an
> HW2 calc (except replacing
> C4 instead of C10). My TI-89 does the z=sin(x)+cos(y) graph in 11s and
> TiBench 1.5 says 12.6MHz,
> implying that this HW1 data can't be directly compared to a HW2
calculator.

-snip-

Groeten,
Ronald Teune
--
The surest sign that intelligent
life exists elsewhere in the
universe is that none of it has
tried to contact us.





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