Overclocking my TI-86...(update: I DID IT!!!)

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Techie333

Platinum Member
Jan 20, 2001
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........my calc needs to be a lot faster so anyway...........what happened.....doesn't anyone do this anymore......i only found two pages on the web about overclocking TIs........this one and this one.

So my questions is one of the articles tells you that you can use a .1pf NPO (?) capacitor and the other says to take out the old one and only put in a 1pf capacitor if you ONLY need it...(see lines accross ur screen)...

Also what type of capacitor...?....radioshack has all kinds......ceramic....metal....?? AND WHAT does NPO mean?
 
MichaelD

MichaelD

Lifer
Jan 16, 2001
31,528
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Flux. You need a Flux Capacitor. Only certain Radio Shacks sell them (Platinum Badge Stores)
 
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Spoooon

Lifer
Mar 3, 2000
11,563
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MIchaelD is right. If the counter guy doesn't know what you're talking about, ask to see the manager. They are usually more knowledgable about electronics.

If they don't sell them premade, you can make your own. Buy a tub of flux and a capacitor. You should be able to figure it out.
 
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BCYL

Diamond Member
Jun 7, 2000
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man, you KNOW you are a geek when you try to overclock your calculator... :)
 
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SHoddyCOmp

Platinum Member
Apr 1, 2002
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Im not a nerd myself but haha, that just sounds like a fun project anyway. I have the same calculator and it takes a while to draw a line, wtf :) I think it runs at 2mhz or something.
 
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spp

Golden Member
Jul 9, 2001
1,513
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overclocking a calculator can be useful during the test!! some of the solver stuff take a long time...
 
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Techie333

Platinum Member
Jan 20, 2001
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ok....flux capacitor....sounds like something out of a movie....infact i think it was used in back to the future....lol....

anyway so i need a 1pf flux capacitor......radioshack.com has 1uf capacitor......Is that the same thing??......
also does anyone know if .1pf is ok....????......or 1pf..........or none.......someone who has overclocked TIs......?
 
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SHoddyCOmp

Platinum Member
Apr 1, 2002
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Rrr.. dang! The screws that hold the calculator pieces together are those dang star shaped ones, i dont have a screw driver that small for that type. bummer.
 
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Instan00dles

Golden Member
Jun 15, 2001
1,174
1
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You need a car battery and some jumper cables, the attach the jumper cable to any spot in your calculator doesnt matter where.
 
Evadman

Evadman

Administrator Emeritus<br>Elite Member
Feb 18, 2001
30,990
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Woot! Can you run SETI on that? Maybe install Linux?
 
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Techie333

Platinum Member
Jan 20, 2001
2,368
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well......i suppose it could run like a 24mhz computer................highly doubt it thought....lol.....

anyone with some heeeeeeellllpppp??????? i want to do this today!!!!!
 
Cheesemoo

Cheesemoo

Golden Member
Jun 22, 2001
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<< Woot! Can you run SETI on that? Maybe install Linux? >>



:) thats what im talking about :)
 
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Techie333

Platinum Member
Jan 20, 2001
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SHoddyCOmp, i have the same problem.........i have like 5 different screw driver for extremely small screws......none of them freaking work......i dunno what the hell TI was thinking when they manufactured these stupid screws.......
 
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MustPost

Golden Member
May 30, 2001
1,923
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I was going to suggest going to ticalc.org but the sites you mention are the same ones they have for overclocking TI-86
 
IJump

IJump

Diamond Member
Feb 12, 2001
4,640
11
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<<

<< Woot! Can you run SETI on that? Maybe install Linux? >>



:) thats what im talking about :) >>



Seti might not be the best choice because of the low fsb of the TI series of calculators. Maybe one of the other projects like RC5....... :)
 
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SHoddyCOmp

Platinum Member
Apr 1, 2002
2,072
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Techie333 - Those screws are standard types that you can actually get screw drivers for but the hole for these are rediculously small. I went out and i have these types of screwdrivers but none are NEARLY small enough. Lots of electronics have these stupid screws on them because it discourages people from opening them. duh. anyway though i figured since it is still hex-ish an ordinary hed driver would work but i cant find anything smaller than 1/16...:)
 
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Techie333

Platinum Member
Jan 20, 2001
2,368
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shoddy, I DID IT!!.......my TI-86 now runs 4 times faster!! I found a really odd hex screw in my tool kit...:)
Followed the directions......and very carefully unsoldered the C13 capacitor.........
 
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Harvey

Administrator<br>Elite Member
Oct 9, 1999
35,059
73
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You're not going to find a 0.1 pF capacitor. There's more capacitance than that between traces on the circuit board. Even a 1 pF (picofarad) cap may be hard to find in anything but a surface mount device, which is probably what's in the calculator, so I hope you're really good with a solder iron. NPO means the cap has almost zero change of value over temperature.
 
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FrustratedUser

Lifer
Aug 16, 2001
22,505
4
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<< shoddy, I DID IT!!.......my TI-86 now runs 4 times faster!! I found a really odd hex screw in my tool kit...:)
Followed the directions......and very carefully unsoldered the C13 capacitor......... >>




LOL :D
Reminds me of the good ol C64 times.
 
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SHoddyCOmp

Platinum Member
Apr 1, 2002
2,072
0
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Techie333 - You have gotta tell me what you used to open it up! haha. Good for you man. Anyway, was it really a hex wrench or was it a torqscrew wrench (thats the infernal type of screw it is) like what is made for it? if it was hex, what size was it?
 
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