Re: accelerate/turboing the ti-92?


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Re: accelerate/turboing the ti-92?



Todd Stanley wrote:
>Reinier Zwitserloot wrote:
>
>> The acceleration that is commonly referred to when talking about the
>> Z80s
>> in the TI8x series is by 'overclocking'. historic examples of
>> overclocked
>> chips:
>>
>> The pentium 66 Mhz chips out there. Some of them where actually real
>> misnomers, they had a plain old (buggy at the time) intel Pentium 60
>> Mhz
>> chip in them. (confusion often caused by the designer: 60 Mhz? but
>> that's
>> lower than the dx2! must be 66.) However, most of these 66Mhz Pentiums
>> were
>> overclocked 60s. overclocking 6Mhz won't do much damage, but truth is,
>> you
>> are burning your chip to speeds it can't stand. the peoples at intel
>> do
>> some very precise testing to figger out exactly how much a chip can
>> handle.
>> (In fact, you can take a p75, and overclock it to 166. I doubt it
>> would
>> last more than 2 minutes before it goes, thou.).
>>
>
>To tell the truth, I've had my Pentium 75 overclocked to 120 MHz for
>about a year now.
>
>> In the TI8x series, someone overclocked their CPU. It's a lot easier
>> in
>> them, because you merely have to rip out a capacitator that catching
>> some
>> of the pulses. At this moment, no adverse effects of overclocking TI's
>> has
>> been found. However, due to the heavy increase in speed, I wonder why
>> TI
>> put in those cacacitators.. Anyway, DUALCLOCKING, which is what you
>> are
>> referring to, has never been tried on TIs. It would probably be
>> possible,
>> but there isn't a lot of space in that thing, and it would probably
>> turn
>> out to be waay too expensive.
>>
>
>They put in those capacitors is because over clocking your calculator
>eats batteries.  TI put in capacitors to give the batteries in the
>calculator more life at the cost of some speed.
>

Another reason TI put in those capacitors is because the calculator becomes
unstable at high and low temperatures without them.  For example, if you
leave it out in your car all morning, and try to use it when it's still
really hot, it will be very likely to crash if you've turboed it.

--
Ben Gordon