How to make SD card bootable - General Discussion and Assistance - CHDK Forum
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How to make SD card bootable

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Offline mv3830

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How to make SD card bootable
« on: 02 / October / 2012, 11:08:12 »
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I know there's a lot of people out there having trouble making their large SD card bootable with CHDK.  I made a short tutorial on how to do this and the many steps.  It pulls a lot of websites and software together. This is only one of the many ways to create a bootable SD, but it worked best for me.  This was made for the Cannon s100 but should be applicable to any SD card with CHDK.  I hope this helps at least one person.

http://youtu.be/N1c-_-bOo2Q

thanks

Edit: This is what worked for me on the s100.  There are some areas that you can possibly take a short cut on some cameras.
« Last Edit: 02 / October / 2012, 13:41:37 by mv3830 »
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Offline waterwingz

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Re: How to make SD card bootable
« Reply #1 on: 02 / October / 2012, 11:32:12 »
Nice video but there are few mistakes - some of them serious.  This has caused some of the questions and comments posted on the youtube page for the video.

 Here's a couple of notes :
  • If you put a really large SD card in your camera,  it will be formatted exFAT by the camera and will not be bootable.
  • In the section on ACID,  you accidentally mentioned taking the picture from your phone?.
  • When downloading, you need to get the large distribution file the first time. You stated that it does not matter but it does.
  • The S100 does not need to use dual partitions -  it was released in 2011.  In fact, if you format as suggested in the video, it will not work as dual partition support is not included in the S100 code.
  • I'd suggest you use EOSCard to make the card bootable. Its a lot easier than using HdHacker.


Full instructions are here : http://chdk.wikia.com/wiki/Prepare_your_SD_card

HTH.
« Last Edit: 02 / October / 2012, 11:41:03 by waterwingz »
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline mv3830

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Re: How to make SD card bootable
« Reply #2 on: 02 / October / 2012, 12:01:04 »
I appreciate the feedback.  "prepare_your_SD_card" was the website I used the most.  I also tried to create a CHDK SD bootable without a partition and it did not work for me.  My 16GB SD card boots fine with partitions.  Like I said in the post, there are many ways to do it, and that is what worked for my camera and SD card.  It might not be the best, but if it helps one person, good.
Thanks for your feedback waterwingz.  If you haven't yet, please post those alternatives/feedback on the video for others to see.
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Offline waterwingz

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Re: How to make SD card bootable
« Reply #3 on: 02 / October / 2012, 12:08:52 »
Quote from: mv3830 on 02 / October / 2012, 12:01:04
My 16GB SD card boots fine with partitions.
It will boot - but you will not be able to use the second partition for anything.  Your storage space for CHDK and all pictures will be limited by the size of the first partition on the card.  The rest of the SD card will be unavailable.

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I also tried to create a CHDK SD bootable without a partition and it did not work for me.
This is likely because when you tried to format the 16G card in the camera, which uses an exFAT format for large cards.  That format is not bootable - you need to reformat in your PC to FAT32.

When you used SDMinste.exe,  you reformatted the card with a FAT16 boot partition and a FAT32 storage partition so that's why you were able to make that work - albiet with most of the SD card space wasted.


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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline mv3830

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Re: How to make SD card bootable
« Reply #4 on: 02 / October / 2012, 12:26:05 »
Sounds good.  That might be why it wouldn't boot with one partition.  You should definitely make a video tutorial as it sounds like you know much more about this than I do.  I just wanted to show one way to do it, it sounds like yours would be more efficient.
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Offline waterwingz

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Re: How to make SD card bootable
« Reply #5 on: 02 / October / 2012, 13:17:40 »
Quote from: mv3830 on 02 / October / 2012, 12:26:05
You should definitely make a video tutorial as it sounds like you know much more about this than I do. 
As you noticed with the wiki page,  there are  many ways to do it.  But you need to know when your camera was released and what size SD card you are using to figure out which of those ways will actually work.

It was a lot of work to get everything on that wiki page - at the expense of sometimes being a little confusing.  To make a video cover all of that,  you would probably need it to be 30 minutes long - or maybe broken up into several videos.   I've done my part getting that wiki page pulled together - I'll leave videos to those who enjoy making them.

Also,  I haven't gone back and looked,  but I think you actually made the larger FAT32 partition bootable.  Which means you get almost all of the SD card for CHDK - just not the tiny FAT16 partition.  Which is a pretty good result even if you came to it the hard way  8)
« Last Edit: 02 / October / 2012, 15:36:44 by waterwingz »
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Ported :   A1200    SD940   G10    Powershot N    G16
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