the sx20 porting thread - page 26 - General Discussion and Assistance - CHDK Forum
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the sx20 porting thread

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Offline JMD

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Re: the sx20 porting thread
« Reply #250 on: 24 / November / 2009, 13:27:47 »
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Quote from: yakabmarci on 23 / November / 2009, 13:05:10
I tried to use a 16gb sdhc 6 card, with two partitions, it works correctly(as far as i can tell)
I takes about 2sec to take a DNG file.
I partitioned it using linux with the method described here: http://chdk.wikia.com/wiki/Bootable_SD_card

On windows platform it is a pain in the *** to use cards with more than one partition, as windows sees only the first partition.

Thanks for the response.  When you tried this are you sure CHDK was seeing the larger petition?  I partitioned the card with sdminste.exe on windows XP.  As I said, this works for my SX1, but not for the SX20.  I'll try it again from scratch.

What was the partition type of the second partition?  sdminste.exe creates it as type 11.  Perhaps I need to change it to a different type.

BTW, on Windows you can use sdminste.exe to swap the partitions.  This allows you to access the partition with the pictures fairly easily.  It is an extra step, but only takes a minute.
« Last Edit: 24 / November / 2009, 13:30:43 by JMD »
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Offline yakabmarci

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Re: the sx20 porting thread
« Reply #251 on: 24 / November / 2009, 15:13:11 »
CHDK sees the larger partition, the pics were saved on this partition.
I tried also sdminste (thank you for the tip), it works for me, for the larger parition it created a type 12(fat32) partition.
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Offline crouvine

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Re: the sx20 porting thread
« Reply #252 on: 25 / November / 2009, 06:16:34 »
New to the game, running firware 1.02b and interested in RAW mode. How can I benefit from the beta version in http://chdk.setepontos.com/index.php/topic,4348.msg43304.html#msg43304 ?  Thanks
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Offline neszt

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Re: the sx20 porting thread
« Reply #253 on: 25 / November / 2009, 14:46:10 »
Quote from: crouvine on 25 / November / 2009, 06:16:34
New to the game, running firware 1.02b and interested in RAW mode. How can I benefit from the beta version in http://chdk.setepontos.com/index.php/topic,4348.msg43304.html#msg43304 ?  Thanks
Please read http://chdk.setepontos.com/index.php/topic,4348.msg43338.html#msg43338
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Offline JMD

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Re: the sx20 porting thread
« Reply #254 on: 25 / November / 2009, 16:08:14 »
Quote from: yakabmarci on 24 / November / 2009, 15:13:11
CHDK sees the larger partition, the pics were saved on this partition.
I tried also sdminste (thank you for the tip), it works for me, for the larger parition it created a type 12(fat32) partition.


Thanks for the confirmation.  I'm using an 8 Gig SanDisk card, SD HC, Class 4.  I wonder why I can't get it to work.  I have a dumb question.  I downloaded a copy of DISKBOOT.BIN provided in this thread, the rest of the data on the card (such as PS.FI2 and the CHDK directory) I borrowed from my SX1 directory.  Do I need some other file besides DISKBOOT to get this to work?  What is in the PS.FI2 file?

Thanks again
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Offline fe50

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Re: the sx20 porting thread
« Reply #255 on: 26 / November / 2009, 01:34:12 »
Quote from: JMD on 25 / November / 2009, 16:08:14
I downloaded a copy of DISKBOOT.BIN provided in this thread, the rest of the data on the card (such as PS.FI2 and the CHDK directory) I borrowed from my SX1 directory.  Do I need some other file besides DISKBOOT to get this to work?  What is in the PS.FI2 file?

The diskboot.bin is the CHDK binary file; it get loaded with the autoboot start method.
The ps.fi2 (ps.fi on older cameras) is the same CHDK binary file, prepared/encoded to use with the manual loading method (with "Firmware update" from the Canon menu).

Yo'll need no more files besides the CHDK binary (diskboot.bin or ps.fi2) to run CHDK.
The "complete" package contains additional files like test scripts, language files, support files for the games etc. and also othe helpfull things, so you should copy those files to your card, too...
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Offline herbeapipe

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Re: the sx20 porting thread
« Reply #256 on: 26 / November / 2009, 12:30:17 »
Quote from: yakabmarci on 23 / November / 2009, 13:05:10
Quote from: JMD on 23 / November / 2009, 11:56:07
Has anyone else tried to load this version of CHDK on a card that is larger than 4 Gigs?  I have an SX1 and an SX20.  I was able to create a small partition and run CHDK on the SX1 so that it sees the larger petition for picture storage.  However, when I tried this with the SX20 it did not recognize the large petition.  I get the CHDK menu, but it tells me that the memory card is full, which leads me to believe that it is only seeing the 2 Meg petition where the DISKBOOT.BIN is located.

Has anyone else had any luck getting this to work.

Thanks

I tried to use a 16gb sdhc 6 card, with two partitions, it works correctly(as far as i can tell)
I takes about 2sec to take a DNG file.
I partitioned it using linux with the method described here: http://chdk.wikia.com/wiki/Bootable_SD_card

On windows platform it is a pain in the *** to use cards with more than one partition, as windows sees only the first partition.

How do you see yours pics after (with the computer)  ??

I created two partitions on my 8 GB card. It's ok to take photos, but windows can't read the twice partition.

Thanks ^^
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Offline herbeapipe

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Re: the sx20 porting thread
« Reply #257 on: 30 / November / 2009, 10:53:32 »
What is the name of the function to increase the weight of a photo?
(increase or reduce the fine JPEG compression  to improve the overall quality of photos at the expense of size on the card).

Thank you
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Offline JMD

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Re: the sx20 porting thread
« Reply #258 on: 30 / November / 2009, 12:01:09 »
Quote from: fe50 on 26 / November / 2009, 01:34:12
Quote from: JMD on 25 / November / 2009, 16:08:14
I downloaded a copy of DISKBOOT.BIN provided in this thread, the rest of the data on the card (such as PS.FI2 and the CHDK directory) I borrowed from my SX1 directory.  Do I need some other file besides DISKBOOT to get this to work?  What is in the PS.FI2 file?

The diskboot.bin is the CHDK binary file; it get loaded with the autoboot start method.
The ps.fi2 (ps.fi on older cameras) is the same CHDK binary file, prepared/encoded to use with the manual loading method (with "Firmware update" from the Canon menu).

Yo'll need no more files besides the CHDK binary (diskboot.bin or ps.fi2) to run CHDK.
The "complete" package contains additional files like test scripts, language files, support files for the games etc. and also othe helpfull things, so you should copy those files to your card, too...

Thank you fe50.  Unfortunately that puts me back to my original problem.  CHDK on my SX1 recognizes the two partitions on a large card, but CHDK on my SX20 does not recognize two partitions (same card).  It comes up and immediately says that the memory card is full.  I tried the "swap partition" option in CHDK, but it told me there was only one partition.

Any suggestions?
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Offline JMD

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Re: the sx20 porting thread
« Reply #259 on: 30 / November / 2009, 12:09:21 »
Quote from: herbeapipe on 26 / November / 2009, 12:30:17

How do you see yours pics after (with the computer)  ??

I created two partitions on my 8 GB card. It's ok to take photos, but windows can't read the twice partition.

Thanks ^^

Do you have a copy of sdminste.exe?  If not then down load it.  You can use it to swap the partitions so that the larger partition is the first partition.  Windows will then be able to access it.  You'll have to swap it back to run CHDK on the camera, but this partition swap only takes a minute.
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