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some questions before i start

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Offline Kees987

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some questions before i start
« on: 21 / November / 2011, 13:20:13 »
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Just found this forum because i was dissapointed by the fact my Powershot SX30 IS does not support RAW format.
now i have done some reading around and i still had some questions. it might be already answered within some FAQ that i have overlooked.

1) i have understand that this CHDK is some kind of add-on to the original firmware, or does it really overwrite the original one?
2) how do i make a correct backup from the camera before i flash it with CHDK firmware? in case something goes wrong, i dont want to end up with a book-stopper camera taht i cant use anymore.
3) if i in the future want to remove CHDK again, can it just be uninstalled, and will the camera then be back to original firmware ?
« Last Edit: 21 / November / 2011, 13:22:11 by Kees987 »
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Offline waterwingz

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Re: some questions before i start
« Reply #1 on: 21 / November / 2011, 13:50:03 »
Quote from: Kees987 on 21 / November / 2011, 13:20:13
1) i have understand that this CHDK is some kind of add-on to the original firmware, or does it really overwrite the original one?
CHDK loads in RAM.  The firmware in your camera is never touched.  Basically,  the camera is tricked into starting CHDK rather than its normal firmware and then CHDK sets itself up - running in RAM - and returns control of the camera to the original firmware having "hooked" itself in temporarily.

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2) how do i make a correct backup from the camera before i flash it with CHDK firmware? in case something goes wrong, i dont want to end up with a book-stopper camera taht i cant use anymore.
You are not flashing your camera when you load CHDK.  The camera EEPROM is not touched - CHDK loads into the camera's RAM.  While CHDK is experimental,  it is extremely unlikely to have any permanent effect.  Also,  there is no know way to backup your camera's original firmware anyway.

FAQ#Q._Can_CHDK_damage_your_camera ?
Camera_failures_suspected_to_be_caused_by_CHDK

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3) if i in the future want to remove CHDK again, can it just be uninstalled, and will the camera then be back to original firmware ?
Just delete it from your SD card.  No uninstall needed - no way to tell it was ever there.

FAQ Q. When_I_switch_off_my_camera_and_then_switch_it_on_again_the_CHDK_program_no_longer_works.
« Last Edit: 21 / November / 2011, 14:11:45 by waterwingz »
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline Kees987

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Re: some questions before i start
« Reply #2 on: 22 / November / 2011, 09:16:14 »
ok thanks
just one more question:
looking at this page: http://mighty-hoernsche.de/
where i can download the CHDK, i see it for SX30, but not for SX30 IS.
for CHDK there is no difference between the IS and non-IS version ?
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Offline waterwingz

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Re: some questions before i start
« Reply #3 on: 22 / November / 2011, 09:40:37 »
Quote from: Kees987 on 22 / November / 2011, 09:16:14
where i can download the CHDK, i see it for SX30, but not for SX30 IS.
I believe that they are the same thing - the IS stand for Image Stabilization (as far as I know) and there is no sx30 without that.

Don't forget to figure out which firmware version you have.

Determining the firmware version in your camera.
« Last Edit: 22 / November / 2011, 09:42:41 by waterwingz »
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline Kees987

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Re: some questions before i start
« Reply #4 on: 22 / November / 2011, 14:44:23 »
mmm seems i dont get it working :/

after hitting the "update firmware"button, i see the logo blink, but i dont get any new menu items and/or options :P

(used the methode where i just put the unzipped files on my SD card and then start the camera -> update firmware)
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Offline reyalp

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Re: some questions before i start
« Reply #5 on: 22 / November / 2011, 15:22:44 »
Quote from: Kees987 on 22 / November / 2011, 14:44:23
mmm seems i dont get it working :/

after hitting the "update firmware"button, i see the logo blink, but i dont get any new menu items and/or options :P
If the logo shows, then it's working. I suggest reading the manual to learn how to access the CHDK menu and options.
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Offline waterwingz

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Re: some questions before i start
« Reply #6 on: 22 / November / 2011, 15:45:35 »
Quote from: reyalp on 22 / November / 2011, 15:22:44
If the logo shows, then it's working. I suggest reading the manual to learn how to access the CHDK menu and options.

CHDK in Brief
CHDK User Manual
CHDK for Dummies
CHDK UserGuide April 2009
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline Kees987

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Re: some questions before i start
« Reply #7 on: 22 / November / 2011, 17:29:24 »
hehe
alright, got it working.

seems i have to start it in playback mode every time i start the camera, and then activate it.

stupid thing is, i dont know how to exit the playback mode and goto in photo mode, without it reboots first, and so it gets disabled again :/

and not yet found out how to make it auto start hehe :P

still a lot to read in the wiki  ::)

Edit 1:
mm i have this SD card:

if i correctly understand, this can not made bootable right ?
only lower then 8GB can?
« Last Edit: 22 / November / 2011, 17:40:47 by Kees987 »
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Offline waterwingz

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Re: some questions before i start
« Reply #8 on: 22 / November / 2011, 17:42:49 »
Quote from: Kees987 on 22 / November / 2011, 17:29:24
stupid thing is, i dont know how to exit the playback mode and goto in photo mode
Press the shutter button.

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and not yet found out how to make it auto start hehe :P  still a lot to read in the wiki  ::)
I think you answered your own question there.

CHDK Installation Guide
CHDK Installation on cards > 4G
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Ported :   A1200    SD940   G10    Powershot N    G16
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Offline waterwingz

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Re: some questions before i start
« Reply #9 on: 22 / November / 2011, 17:44:29 »
Quote from: Kees987 on 22 / November / 2011, 17:29:24
if i correctly understand, this can not made bootable right ?
only lower then 8GB can?
With the very newest camera, you can make cards larger that 4G bootable.  For the rest,  including yours,  you have to set-up two partitions - a small FAT16 partition that is bootable and a larger FAT32 partition that takes up the rest of the card..  The second link I just posted above explains how to do that.

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Ported :   A1200    SD940   G10    Powershot N    G16
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