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CHDK for SX120

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Offline stargeezer

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Re: CHDK for SX120
« Reply #380 on: 17 / July / 2010, 12:23:36 »
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I would consider putting a copy of the CHDK directory in the root directory with DISKBOOT.bin.  If it does not need to be there, it won't hurt anything, and that would be the easiest change I can think of.  If there is a partition problem, this may give you more information.
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Offline zeno

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Re: CHDK for SX120
« Reply #381 on: 17 / July / 2010, 14:08:49 »
You could try a really small card (like the 32MB ones that come with cameras). At least that would demonstrate if you are properly formatting the card as FAT16 and making it bootable. The only thing that needs to be on the card is DISKBOOT.BIN - when CHDK starts up the first time it will create all the other folders (and save a CFG file).
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Offline cbob

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Re: CHDK for SX120
« Reply #382 on: 17 / July / 2010, 14:24:21 »
PS.FI2 from an SX110 won't work, hence the error. (PS.FI2 is an encoded DISCBOOT.BIN, and there's none for an SX120 as of yet - see previous page).

So, must use the DISCBOOT.BIN, write-protect, autoboot method. No need for Play -> Firmware Update.

See the Linux section here: http://chdk.wikia.com/wiki/Bootable_SD_card

Either create a single 4Gb FAT16 partition on your 8Gb card and put DISCBOOT.BIN & CHDK onto that, or make a 16MB FAT12/FAT16 and a ~8Gb FAT32, putting DISCBOOT.BIN onto the 16Mb and CHDK onto the ~8Gb (recommended).

The latter works for me!
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Offline douglaslps

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Re: CHDK for SX120
« Reply #383 on: 17 / July / 2010, 14:47:24 »
Quote from: cbob on 17 / July / 2010, 14:24:21
So, must use the DISCBOOT.BIN, write-protect, autoboot method. No need for Play -> Firmware Update.

Either create a single 4Gb FAT16 partition on your 8Gb card and put DISCBOOT.BIN & CHDK onto that, or make a 16MB FAT12/FAT16 and a ~8Gb FAT32, putting DISCBOOT.BIN onto the 16Mb and CHDK onto the ~8Gb (recommended).

Ok. Just tested it and won't work.

I used cardtricks and a 1GB SD card. Made the disk bootable and extracted CHDK. Then deleted all files excecpt DISCBOOT.BIN and CHDK folder, copied the new DISCBOOT.BIN from the thread, locked the SD card, and turned on my camera. I got nothing, no beeps, no lights, no display, nothing.

Is that possible that I have a defective camera?
Thank for your help.
Regards,
Douglas
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Offline cbob

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Re: CHDK for SX120
« Reply #384 on: 17 / July / 2010, 15:24:08 »
The camera works with no SD card inserted, right? Unlikely it's defective if so.

Make doubly sure you're using an SX120 discboot, such as the ones I put on drop.io, just incase your SX110 unpack has obliterated it...
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Offline reyalp

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Re: CHDK for SX120
« Reply #385 on: 17 / July / 2010, 15:28:55 »
Quote from: douglaslps on 17 / July / 2010, 14:47:24

Ok. Just tested it and won't work.

I used cardtricks and a 1GB SD card. Made the disk bootable and extracted CHDK. Then deleted all files excecpt DISCBOOT.BIN and CHDK folder, copied the new DISCBOOT.BIN from the thread, locked the SD card, and turned on my camera. I got nothing, no beeps, no lights, no display, nothing.

Is that possible that I have a defective camera?
Extremely unlikely it would work normally and not run CHDK. There are no known instances of canon using the same firmware version for firmwares that aren't the same. The symptoms you describe generally happen if you use the wrong diskboot.bin for your camera, either because it is for a different model, a canon different firmware version, or the wrong encoding.

On linux, make sure you are safely unmounting the card after you copy the file. I've neglected to do that and wondered why my new build didn't work :)


I assume this is just a typo in the preceding posts, but note that the file itself is called DISKBOOT.BIN. DISCBOOT.BIN will be ignored by the camera.
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Offline cbob

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Re: CHDK for SX120
« Reply #386 on: 17 / July / 2010, 15:48:09 »
Quote from: reyalp on 17 / July / 2010, 15:28:55
I assume this is just a typo in the preceding posts, but note that the file itself is called DISKBOOT.BIN. DISCBOOT.BIN will be ignored by the camera.
Oops! My fault.
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Offline douglaslps

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Re: CHDK for SX120
« Reply #387 on: 17 / July / 2010, 18:54:30 »
Hi,

Quote from: reyalp on 17 / July / 2010, 15:28:55
The symptoms you describe generally happen if you use the wrong diskboot.bin for your camera, either because it is for a different model, a canon different firmware version, or the wrong encoding.

What you meant by wrong encoding?

Could you check if my version output is similar to yours?

Canon Powershot SX120 IS
P-ID:31E0 NT D
Firmware Ver GM1.00B
E18
Jun 5 2009 17:09:33

Quote from: reyalp on 17 / July / 2010, 15:28:55
On linux, make sure you are safely unmounting the card after you copy the file. I've neglected to do that and wondered why my new build didn't work :)
Ok. I'll pay attention to that on linux, but I'm on Windows when working with this 1GB SD card I got. And I'm using cardtricks. The boot should be working. And the diskboot.bin is the last one posted in the firmware thread. I'll try the older one when I get home.

Quote from: reyalp on 17 / July / 2010, 15:28:55
I assume this is just a typo in the preceding posts, but note that the file itself is called DISKBOOT.BIN. DISCBOOT.BIN will be ignored by the camera.
Yes. It was a typo. My fault too.

Again,
Thanks
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Offline reyalp

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Re: CHDK for SX120
« Reply #388 on: 17 / July / 2010, 23:20:40 »
Quote from: douglaslps on 17 / July / 2010, 18:54:30
What you meant by wrong encoding?
Diskboots are encoded differently for some models. However, as far as we know cameras of a given model use the same encoding (for 100+ cameras)
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Could you check if my version output is similar to yours?
I don't have an SX120
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Firmware Ver GM1.00B
In all prior experience (again 100+ cameras), this is the only part that matters for a given model.  If the diskboot you used works on another 100b SX120, then odds are very high that you've done something wrong.
« Last Edit: 17 / July / 2010, 23:22:11 by reyalp »
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Offline douglaslps

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Re: CHDK for SX120
« Reply #389 on: 18 / July / 2010, 10:17:46 »
It is working now.

I probably failed to format the SD card on linux. I repeat everything but this time using format on cardtricks. It took longer than linux format.

Next step is trying to install CHDK on my 8GB card.

I'll tell you my results here.
Thanks everyone.
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