FAT 16 is normally limited to 2GB since disk cluster sizes are normally limited
to 32KB. But FAT16 can be extended to a total disk size of 4GB by using a
cluster size of 64KB (maximum value of an unsigned 16 bit integer). 64KB
clusters are considered non-standard although they were allowed for Windows NT
where they were first introduced. You will be able to create a 4GB FAT16
partition on your 8GB or even larger card but you won't be able to use the full
size of the card. 4GB is a hard and fast limit.
Chuck Norcutt
> -------Original Message-------
> From: Moose <olymoose@xxxxxxxxx>
> Subject: [OM] Re: Hack your PowerShot
> Sent: Oct 08 '08 05:08
>
> usher99@xxxxxxx wrote:
> > The port to the G9 is 98% completed for all the firmware flavors--hoorah!
> Just a couple minor bugs that are being swatted at light speed.
> >
> Great!
> > Any DRYOS Cam for now must have the hack loaded on a Fat16 formatted SD.
> There are some fancier ways for other
> > Canyon cams with a small Fat 16 partition to load the hack and a large
> FAT32 partition. I don't think that works for DRYOS cams 710 a650 G7, G9
> AFAIK so
> Do you mean the A720? I think the A710 is the old OS.
> > I guess the max size card to use would be 4GB.
> This isn't the case for the A650. Formatting the card as FAT16 generates
> a warning about non-standard cluster sizes, but my 8GB cards work fine
> in the camera and in a USB reader. I was even able to recover some files
> I erased by accident on one of those cards, so the file system can't be
> that odd. Given the file sizes, the bigger cluster size is a non-issue.
> > The "update" mode whereby it boots with the native firmware first is
> unavailable for the G9 though Canyon has made available a patch to update the
> firmware for a small defect in focusing in higher res movie mode that may
> enable the developers to reverse engineer this way to load it-.
> > I always worry about non vanilla formatting and losing data, but Moose
> reports no trouble.
> >
> Still ...
>
> Moose
>
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