Formatting 16GB SD card to FAT16??? - General Discussion and Assistance - CHDK Forum
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Formatting 16GB SD card to FAT16???

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Offline madoleone

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Formatting 16GB SD card to FAT16???
« on: 11 / July / 2008, 08:56:47 »
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I just got a 16GB SDHC card. It's a PQ1. I am trying to format it FAT16 to autoload with CHDK and I am having trouble doing it

I am on an Intel iMac. I tried WindowsXP-Parallels and it sees the card but formats it to FAT32 using the DOS command "format X: /fs:fat". I tried it with DiskUtility under Erase and that too formats it to FAT32. I tried it in the camera - A720is - and that also comes out FAT32. Any ideas appreciated.
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Offline fe50

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Re: Formatting 16GB SD card to FAT16???
« Reply #1 on: 11 / July / 2008, 09:03:02 »
Hi madoleone,

it is NOT possible to format something with FAT16 with a size > 4GB, the cause is the FAT16 design.

The only way to use your whole SHDC card with CHDK would be the "multi partition support", you can use the search feature...

Under windows you can have a look to the SDM, there's a special utility/installer...

Quote from: fe50 on 10 / July / 2008, 20:06:32
jrewing,

for the the firmware version look here: CHDK wikia: CHDK_for_Dummies

8GB -> that might be the problem, for SD cards > 4GB you need a special "multi partition support"; with a card <= 4GB you should have no problems...

The only way to use your whole SDHC card with CHDK is the "multi partition support" way (use the search, there's much stuff about this), but this special feature (2 partitions on the card, one small FAT16 & a big FAT32, CHDK swaps the partitions on start) is camera dependend, the A560 should supports this.

The configuration for this can be a pain, not so easy...

Perhaps you would also try the SDM (Stereo Data Maker) , there's a nice installer that should do all the things for the multi partitioning...
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Offline cybercom

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Re: Formatting 16GB SD card to FAT16???
« Reply #2 on: 12 / July / 2008, 12:05:56 »
The SDM Installer is, IMHO, the easiest way to create, format and swap dual partitions whether you use the SDM or CHDK builds on your large capacity SDHC cards. Just remember to click OK on the "Remove and reinsert card" prompt BEFORE you remove and reinsert the card.

Great piece of work David! Thanks!
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