How to restore the official LEGO firmware?

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stevo
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How to restore the official LEGO firmware?

Postby stevo » Tue Dec 15, 2015 9:55 pm

Hi,
I’m happy to say I’m a leJOS newbie. I have only a RCX Mindstorms set but it’s a start!
I will get a USB to Serial cable for the IR tower in a couple days. I can’t wait!

Since leJOS will replace the Lego firmware. I was wondering how can I a restore the brick with official LEGO firmware. The latest firmware (3.32) can find here.

Any experience?

Many thanks, Stefan

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gloomyandy
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Re: How to restore the official LEGO firmware?

Postby gloomyandy » Wed Dec 16, 2015 8:04 am

Hi,
I suspect there are very few if any active RCX users on this forum, you may get lucky, but I doubt it! But good luck with your experiments....

Andy
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stevo
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Re: How to restore the official LEGO firmware?

Postby stevo » Wed Dec 16, 2015 1:58 pm

Hi Andy,
Thanks for your reply!
I'm pretty late with the first generation of Lego Mindstorms I know but better late then never ;)

And I still have hope someone has experience with the RCX brick and is willing to help me.

Thanks again, Stefan

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gloomyandy
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Re: How to restore the official LEGO firmware?

Postby gloomyandy » Wed Dec 16, 2015 8:14 pm

It is a long time ago but I vaguely remember that you had to download the Lego firmware before you could use the RCX (and possibly after replacing the batteries), so I suspect that the LEGO PC based software (if you are using it) will have some sort of download option. If not you may find the following page of some help: http://pbrick.info/rcx-firmware/

Good luck!
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stevo
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Re: How to restore the official LEGO firmware?

Postby stevo » Wed Dec 16, 2015 10:16 pm

Thank you so much for your input. I know about the page. But my question is: How do I get the official Lego firmware back on the brick after I replace it with the leJOS firmware? Are there any tools or scripts in the leJOS bundle to download the Lego firmware back to the brick? Or can I use the same mechanisms to download the leJOS firmware to brick but instead of the leJOS firmware I would use the official Lego firmware?

Thanks again! Stefan

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gloomyandy
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Re: How to restore the official LEGO firmware?

Postby gloomyandy » Thu Dec 17, 2015 10:38 am

Firstly you need to understand that I've never used leJOS on an RCX. So it is your RCX, you decide what to do woth it, if it all goes horribly wrong don't blame me. But my understanding is that you can use the standard LEGO tools to install the LEGO firmware, or you can follow the steps as shown in the page I linked to. I don't think it matters what firmware is currently on the RCX, the process is the same. Good luck!
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