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From: "H. Peter Anvin" <hpa@zytor.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Alexia Death <alexiadeath@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: Problem: non-SDHC 2GB SD cards are unreadable
Date: Mon, 14 Apr 2008 04:45:54 -0700	[thread overview]
Message-ID: <480343F2.3040401@zytor.com> (raw)
In-Reply-To: <200804140848.39226.arnd@arndb.de>

Arnd Bergmann wrote:
> 
> On the contrary, the USB card readers go through a lot of effort to
> make the card look like a SCSI device, and many of these implementations
> are buggy in some way. SD cards are defined to have 512 byte sectors, while
> USB mass storage can theoretically have a different sector size. Of course
> any other size than 512 bytes is likely to break some code, which you have
> experienced.
> 

Actually, I believe 2 GB (non-SDHC) *only* have 1024 byte sectors.

	-hpa

  reply	other threads:[~2008-04-14 11:49 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-13 20:26 Problem: non-SDHC 2GB SD cards are unreadable Alexia Death
2008-04-13 20:42 ` Alan Cox
2008-04-13 21:32   ` Alexia Death
2008-04-14  0:45 ` Arnd Bergmann
2008-04-14  4:49   ` Alexia Death
2008-04-14  6:48     ` Arnd Bergmann
2008-04-14 11:45       ` H. Peter Anvin [this message]
2008-04-14 12:40         ` Arnd Bergmann
2008-04-15 23:23         ` Daniel Barkalow
2008-04-16  2:09           ` H. Peter Anvin
2008-04-16  2:49             ` Roger Heflin
2008-04-14 16:11     ` Lennart Sorensen
2008-04-14  6:08   ` Alexia Death
2008-04-14  9:03     ` Wander Winkelhorst

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