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Date:      Tue, 8 Aug 2000 15:39:02 +0000
From:      Alan Clegg <abc@bsdi.com>
To:        chip@chocobo.cx
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: Flash disk support over USB?
Message-ID:  <20000808153902.N38455@diskfarm.firehouse.net>
In-Reply-To: <20000808152310.A34869@setzer.chocobo.cx>; from chip@setzer.chocobo.cx on Tue, Aug 08, 2000 at 03:23:10PM -0400
References:  <14736.11357.195584.7158@trooper.velocet.net> <20000808120450.G38455@diskfarm.firehouse.net> <20000808152310.A34869@setzer.chocobo.cx>

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Out of the ether, Chip Marshall spewed forth the following bitstream:
> On August 08, 2000, Alan Clegg sent me the following:
> > *WARNING*  DO NOT USE IBM MICRODRIVE DEVICES IN THIS UNIT!
> > *WARNING*  DO NOT USE IBM MICRODRIVE DEVICES IN THIS UNIT!
> > > uhub0: port error, restarting port 1
> > > ugen0: SanDisk USB CFII, rev 1.00/0.05, addr 2
> 
> Out of curiosity, why don't IBM microdrives work in these units? Does
> that apply just to this specific type of CF reader, or to all USB CF
> readers?

The only USB reader that I have has now verifiably fried two 340MB
MicroDrives.  I'll be happy for anyone else to provide datapoints, as
I'm not about to smoke another drive.  8-)

The IBM MicroDrives work fine in their PCMCIA Type II Carriers, so that
is my method of moving images from my Casio QV-3000EX to a 'real' drive.

**UPDATE** the USB ImageMate device that I have reports itself as:

umass0: SanDisk Corporation ImageMate CompactFlash USB, rev 1.10/0.09, addr 2

So the one reported above may be the "freaky, not-supported one".  I bought
mine at Circuit City for about $30, so it should be on the market for about
$15 at any reputible store.  BTW, it is labeled "SanDisk ImageMate" with
a part number of:  SDDR-31.

As an additional datapoint, the ImageMate that I have works just GREAT with
non-moving media (Kodak 16MB CF) under FreeBSD, and works fine under Wunders
with the IBM MicroDrive.

AlanC


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