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Overclocking a Texas Instruments 83

Juul himself
By Juul himself
in Hobby Electronics
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Posted

Hi 

 

Whilst studying with a friend we came on the topic of those graphical calculators we used during high school and wondered if those can be overclocked. Does anybody here know how to do this?

 

Also Wouldn't this be the best ever video for Linus: "EXTREME Overclocking of a calculator"? 

 

 

3669694_sd.jpg

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Just now, LukeSavenije said:

why would you even want to do that?

Just now, LukeTheCoder05 said:

Play DOOM on it when your done!

^ this to start with 

 

Also faster-plotting capabilities

 

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It depends on the revision of the calculator and what processor is actually inside. the older ones were zilog z80 but in newer calculators they use ASICs (special chips that maybe emulate that old z80)

On older ones you probably could have simply change the crystal/oscillator to get higher clocks.on newer ones, you probably can't.

 

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1 hour ago, 1herbert12 said:

Apparently it is possible.

 

I am curious what the max clock speed would be when cooling the processor with N20

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On 12/13/2018 at 1:52 PM, 1herbert12 said:

Apparently it is possible.

 

 

I mainly wanne see linus get hyped about this 

Calculator gaming and OC is very possible. I dabbled quite a bit in it during my high school days, especially since I had an Nspire so we had ARM Assembly and C available, which resulted in e.g. full on GBA emulators running just fine on it.

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On 12/13/2018 at 7:39 AM, joachimvs said:

But can it run Crysis

No. It can run doom though...

I'm gonna go find my own tech support...

with BLACKJACK and HOOKERS!

(Welcome to LTT Forums)

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16 hours ago, LukeTheCoder05 said:

No. It can run doom though...

"Doom"

 

And.. slowly. 

 

If you actually want to run doom buy the 84 silver+ edition. 

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Posted (edited)
On 12/13/2018 at 10:38 PM, LukeTheCoder05 said:

Play DOOM on it when your done!

LGR did a video on this.

Refer to @1herbert12 's post.

 

Edited by LunaP0n3
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12 minutes ago, LunaP0n3 said:

LGR did a video on this.

That video was already posted here

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On 12/13/2018 at 2:28 PM, joachimvs said:

I am curious what the max clock speed would be when cooling the processor with N20

Cooling this kind of processor too much will just increase the resistivity of the silicon, making the critical path (length of a clock cycle) longer. They just don't put out enough heat for cooling to be the bottleneck.

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