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Author Topic: I bought a new ti-84 PSE and it wants me to send and OS  (Read 9535 times)

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Offline annoyingcalc

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I bought a new ti-84 PSE and it wants me to send and OS
« on: August 18, 2011, 09:54:17 pm »
Yes I turned on my calc and I was greeted by a install OS now? I try to send one with ti-connect but it cant find my device?

Well TI was no help with their guidebook Ill ask ti-cares
« Last Edit: August 18, 2011, 10:09:35 pm by annoyingorange »
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Offline Camdenmil

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #1 on: August 18, 2011, 10:30:04 pm »
You can try TILP but it is sometimes a PITA to get working. Never seen a new calc need an os install, maybe TI decided to save money by only flashing the boot pages.
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Offline annoyingcalc

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #2 on: August 18, 2011, 10:30:58 pm »
TILP doesnt work for me I dont know how to use DOS very well
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Offline willrandship

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #3 on: August 18, 2011, 10:31:39 pm »
TilP can handle OSes just fine. I strongly recommend going USB for it, since it's much faster. However, if you have a silverlink it's worth a try since they're a little easier to keep connected.

Was it actually new, or just new to you, and used?
« Last Edit: August 18, 2011, 10:32:32 pm by willrandship »
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Offline annoyingcalc

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #4 on: August 18, 2011, 10:32:30 pm »
New bought from best buy ok not silverlink I will try after testing flash is over
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Offline Darl181

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #5 on: August 18, 2011, 10:34:56 pm »
Does it stay on there?  If you turn it off and turn it back on, is it still there?

Also what does it say?  Tho I'm guessing it's the screen from the del+battery trick..
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Offline annoyingcalc

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #6 on: August 18, 2011, 10:37:41 pm »
Quote from: Darl181 on August 18, 2011, 10:34:56 pm

Also what does it say?  Tho I'm guessing it's the screen from the del+battery trick..
Yes it is
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Offline DrDnar

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #7 on: August 18, 2011, 10:43:03 pm »
Quote from: willrandship on August 18, 2011, 10:31:39 pm
TilP can handle OSes just fine. I strongly recommend going USB for it, since it's much faster. However, if you have a silverlink it's worth a try since they're a little easier to keep connected.

It really doesn't matter. Either way, he'll still need to wait six or more minutes for it to validate.
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Offline annoyingcalc

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #8 on: August 18, 2011, 10:44:30 pm »
 I am lost :'( I have to give my old 84 SE back to my teacher and this wont work :'(
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Offline Darl181

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #9 on: August 18, 2011, 10:45:03 pm »
Six minutes? 0.o  I've re-sent OSes and it takes about three seconds to validate...
(that with usb btw)

I'm guessing it takes longer when all that exists at the start is the boot, then?
« Last Edit: August 18, 2011, 10:45:27 pm by Darl181 »
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Offline DrDnar

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #10 on: August 18, 2011, 10:46:20 pm »
Remember, you can only install 2.55MP, because you can't downgrade the boot code until you first install an OS.
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Offline Darl181

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #11 on: August 18, 2011, 10:46:52 pm »
So boot 1.03 goes through a longer, more complicated (and more secure I guess) process?  Fun...
« Last Edit: August 18, 2011, 10:47:26 pm by Darl181 »
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Offline annoyingcalc

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #12 on: August 18, 2011, 10:48:06 pm »
I dont know I need someone to phyically install the OS for me (maybe my dad) but I am at my grandmas :banghead:

400th post and I dont care because I want my calc to work
« Last Edit: August 18, 2011, 10:48:29 pm by annoyingorange »
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Offline Darl181

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #13 on: August 18, 2011, 10:49:17 pm »
Hm..does OS transfer between two calc of different boots work?  (Tho the OS would have to be 2.55 x.x)
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Offline DrDnar

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Re: I bought a new ti-84 PSE and it wants me to send and OS
« Reply #14 on: August 18, 2011, 10:51:13 pm »
Quote from: Darl181 on August 18, 2011, 10:46:52 pm
So boot 1.03 goes through a longer, more complicated (and supposedly secure I guess) process? Fun...
You missed the news frenzy that resulted when we learned about 1.03? TI switched to 2048-bit RSA. The new signature is tacked onto the end of the 2.55MP image; it's been there this whole time. Also, they actually managed to write an even slower validation routine. They're rolling 1.03 out for the new school year. This move prompted an intense frenzy of research that resulted in us discovering how to reflash the boot code, thus completely negating the change.

Quote from: annoyingorange on August 18, 2011, 10:48:06 pm
400th post and I dont care
Neither do I care about how many posts you have.
« Last Edit: August 18, 2011, 10:52:16 pm by DrDnar »
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"No tools will make a man a skilled workman, or master of defense, nor be of any use to him who has not learned how to handle them, and has never bestowed any attention upon them. . . . Yes, [] the tools which would teach men their own use would be beyond price."—Plato's The Republic, circa 380 BC
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