I have a 120Gb USB disk and a 2Gb USB memory stick, both were formatted on my
Mac using its own Disk Utility program.
When I plug these into my PC it reports that they are FAT32.
The same with my CF cards I use with my Canon digital SLR, I have formatted
them using the Mac and the Canon is completely happy with them.
Phil
----- Original Message ----
From: Lou Judson <>
To:
Sent: Monday, 10 March, 2008 2:36:27 PM
Subject: Re: [Nature Recordists] The wonders of FAT32?
Are you talking here about "Disk Utility" or some command line using
"diskutil"?
I always format the cards in the device using them, whether it is
camera or audio recorder. If I format a CF in my Mac then when I put
it in the SD it asks if I want to format the card. So I'm pretty sure
Disk Utility is not making FAT 32...
<L>
On Mar 9, 2008, at 3:02 PM, Paul Jacobson wrote:
> Hi Lou,
>
> OSX Diskutil calls a command line utility program called newfs_msdos.
> According to the newfs_msdos manual page the utility can create
> FAT12, FAT16 and FAT32 files systems.
>
> I couldn't find any documentation of what format is used so I made up
> disk images of various sizes and checked the diskutil logs to see
> what commands were being called to format to MSDOS...
>
> 2.5MB - FAT12
> 40Mb - FAT16
> 1Gb - FAT 32
> 2Gb - FAT32
>
> I've used Diskutil to format 1Gb and 4Gb CF cards for my HDP2 and it
> works without problem. I still prefer to format the cards in the
> recorder as there seems to be less likelihood of formating issues
> using the same device - tho' this is probably superstition more than
> anything else.
>
> cheers
> Paul
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