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Author Topic: Ti nSpire CX - Help with Boot2  (Read 5836 times)

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Offline Lipe_oa

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Ti nSpire CX - Help with Boot2
« on: November 09, 2014, 01:44:51 pm »
Hello guys, I broke my Boot2 trying to downgrade the OS 3.6 to OS 3.2 CAS...So I tried to connect my Ti by TTL but the hyperterminal don't works, don't connect. I have a conversor with PL2303HX chip, this:


http://mlb-s2-p.mlstatic.com/conversor-usb-rs232-ttl-serial-pl2303hx-pic-arduino-avr-805-13173-MLB20073708491_042014-O.jpg



Q1) So, is because of this chip PL2303HX I can't connect or other thing?

Q2) I need to buy a specific conversor with FTDI chip to connect my Ti and recovering my boot2?

Q3) Can I put the Boot2 v1.4?



« Last Edit: November 09, 2014, 01:48:11 pm by Lipe_oa »
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Offline Vogtinator

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Re: Ti nSpire CX - Help with Boot2
« Reply #1 on: November 09, 2014, 02:02:07 pm »
Quote
Hello guys, I broke my Boot2 trying to downgrade the OS 3.6 to OS 3.2 CAS...
How? What did you do?

Quote
Q1) So, is because of this chip PL2303HX I can't connect or other thing?

Q2) I need to buy a specific conversor with FTDI chip to connect my Ti and recovering my boot2?
Try to connect only the RX and GND pins first.
With 115200 Baud you should get at least some traffic from boot1.

Quote
Q3) Can I put the Boot2 v1.4?
No, won't work. v1.4 is for touch and clickpad only.
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Offline Lipe_oa

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Re: Ti nSpire CX - Help with Boot2
« Reply #2 on: November 09, 2014, 02:25:00 pm »
First, thanks for your Help!

Quote
How? What did you do?
I tryied this: http://www.omnimaga.org/general-calculator-help/installing-cas-on-ti-nspire-cx-non-cas/msg383792/#msg383792
and don't change de hole name, the extesion .tcc to .tns, just de first name.

Quote
Try to connect only the RX and GND pins first.With 115200 Baud you should get at least some traffic from boot1.

Didn't connect, neither in RX or TX!
My conversor can be broke? when I connect TxD, RxD and GND don't light the yellow light, just de Blue and Red, the yellow becomes weak!


Quote
No, won't work. v1.4 is for touch and clickpad only.

What I do?
« Last Edit: November 09, 2014, 02:27:35 pm by Lipe_oa »
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Offline Vogtinator

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Re: Ti nSpire CX - Help with Boot2
« Reply #3 on: November 09, 2014, 03:34:21 pm »
Quote from: Lipe_oa on November 09, 2014, 02:25:00 pm
Quote
How? What did you do?
I tryied this: http://www.omnimaga.org/general-calculator-help/installing-cas-on-ti-nspire-cx-non-cas/msg383792/#msg383792
and don't change de hole name, the extesion .tcc to .tns, just de first name.
It was rejected, I assume. Did you do anything with nsNandMgr?

Quote
Quote
Try to connect only the RX and GND pins first.With 115200 Baud you should get at least some traffic from boot1.

Didn't connect, neither in RX or TX!
My conversor can be broke? when I connect TxD, RxD and GND don't light the yellow light, just de Blue and Red, the yellow becomes weak!
What do you mean by "didn't connect"? After you open the serial port nothing happens?
Try to connect GND and RX only.

Quote
Quote
No, won't work. v1.4 is for touch and clickpad only.

What I do?
After you got your calc in a usable state, do a normal installation of the 3.6 CX OS.
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Offline Lipe_oa

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Re: Ti nSpire CX - Help with Boot2
« Reply #4 on: November 09, 2014, 04:06:53 pm »
Quote
It was rejected, I assume. Did you do anything with nsNandMgr?
No, I just did the Tuto.


Quote
What do you mean by "didn't connect"? After you open the serial port nothing happens?Try to connect GND and RX only.

When I try to connect with the hyperterminal show me that i'm connected but don't show me nothing in the screen, like this:
http://screenshots.en.sftcdn.net/en/scrn/10000/10028/hyperterminal-private-edition-htpe-1.jpg
And I already tryied to connect with RX and GND, nothing happens.

Quote
After you got your calc in a usable state, do a normal installation of the 3.6 CX OS.

So I can't put OS's with CAS anyway?

One more doubt, my Ti has the number 1 in the right side, it's normal or I need to invert my connections?

Thanks man!
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Offline Vogtinator

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Re: Ti nSpire CX - Help with Boot2
« Reply #5 on: November 09, 2014, 05:41:37 pm »
Quote from: Lipe_oa on November 09, 2014, 04:06:53 pm
Quote
What do you mean by "didn't connect"? After you open the serial port nothing happens?Try to connect GND and RX only.

When I try to connect with the hyperterminal show me that i'm connected but don't show me nothing in the screen, like this:
http://screenshots.en.sftcdn.net/en/scrn/10000/10028/hyperterminal-private-edition-htpe-1.jpg
And I already tryied to connect with RX and GND, nothing happens.
Yeah, either you're using the wrong pins or your adapter is fried.

Quote
Quote
After you got your calc in a usable state, do a normal installation of the 3.6 CX OS.
So I can't put OS's with CAS anyway?
No, your calc doesn't support nlaunch.

Quote
One more doubt, my Ti has the number 1 in the right side, it's normal or I need to invert my connections?
Well, Pin 1 is Pin 1. The serial pins are on the left side if the calculator is facing downwards and the port points to you.
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Offline Lipe_oa

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Re: Ti nSpire CX - Help with Boot2
« Reply #6 on: November 09, 2014, 06:10:07 pm »
Quote
Yeah, either you're using the wrong pins or your adapter is fried.
I'm think the adapter isn't working, because I tryied in 3, 4 and 5 conectors in left and right side.

Quote
No, your calc doesn't support nlaunch.
So I need put de Boot2 V3.1 to the calculator work again?

Quote

Well, Pin 1 is Pin 1. The serial pins are on the left side if the calculator is facing downwards and the port points to you.

Look my calculator:


What do you think?

thanks again! so much!
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Offline Vogtinator

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Re: Ti nSpire CX - Help with Boot2
« Reply #7 on: November 10, 2014, 06:06:44 am »
Quote from: Lipe_oa on November 09, 2014, 06:10:07 pm
Quote
No, your calc doesn't support nlaunch.
So I need put de Boot2 V3.1 to the calculator work again?
Yes, you need to.
Quote
Quote

Well, Pin 1 is Pin 1. The serial pins are on the left side if the calculator is facing downwards and the port points to you.

Look my calculator:
What do you think?

thanks again! so much!
Connect GND to the longer pin on the left side and RX of your adapter to the left pin next to it.
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Offline Lipe_oa

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Re: Ti nSpire CX - Help with Boot2
« Reply #8 on: November 10, 2014, 07:57:08 am »
Quote
Yes, you need to.
Ok. thanks for that part.


Quote

Connect GND to the longer pin on the left side and RX of your adapter to the left pin next to it.
Still didn't happened nothing on hyperterminal, is the conversor. I already asked other for the seller. When arrive the new I try again.

Q) When I put the Boot2 V3.1 I need reinstal the OS? Or I just Turn on the calculator?
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Offline aeTIos

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Re: Ti nSpire CX - Help with Boot2
« Reply #9 on: November 10, 2014, 08:00:39 am »
You need to reinstall the OS, I think. But you can just turn the calc on and see what happens; if you need to reinstall the OS, the calc will probably warn you or explode
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Offline Lipe_oa

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Re: Ti nSpire CX - Help with Boot2
« Reply #10 on: November 10, 2014, 10:39:17 am »
solved , I put Boot2 v3.2.4.7 and returned to run OS 3.6.0.550 . thanks to those who helped .
« Last Edit: November 11, 2014, 01:04:35 pm by Lipe_oa »
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