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Date:      Wed, 27 Jun 2001 14:45:11 -0700 (PDT)
From:      Linh Pham <lplist@closedsrc.org>
To:        Shannon <shannon@widomaker.com>
Cc:        FreeBSD-Questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: which is faster zip drive under FreeBSD: usb or parallel?
Message-ID:  <Pine.BSF.4.33.0106271439001.29278-100000@q.closedsrc.org>
In-Reply-To: <20010627135055.B6312@widomaker.com>

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On 2001-06-27, Shannon scribbled:

# That doesn't do you much good unless it works with legacy USB stuff, and
# FreeBSD has support for it.

USB 2.0 allows you to connect USB 1.x devices as well as new USB 2.0
compliant devices while keeping the maximum speed at 480Mbps (USB 1.x
devices will transfer at either 2Mbps or 12Mbps depending on the device
type).

# I thought there were some political snags for USB2, but maybe that was
# another bus/interface.

There have been several snags with USB 2.0 as well as it's competition,
FireWire. Microsoft initially stated that Windows XP will not support
USB 2.0, then they stated that drivers will be out after release but
it's the device manufacturer's job to test for compatibility... dunno
where it stands now.

The snag that FireWire (ie: IEEE 1394 or i.Link) has is that Apple
requires a royalty on any device that has a FireWire port (Sony has the
same thing with any products that want to use the i.Link name and tiny,
tiny mods). IEEE 1394b, the next generation 'FireWire' which takes the
current max bandwidth of 400Mbps and doubles it, will probably have some
sort of Copyright Rights Protection Mechanism (dunno if that's what it
is officially called). Basically, you probably can't make copies of
protected digital audio/video streams after X generations (or can't copy
at all).

-- 
Linh Pham
[lplist@closedsrc.org]

// 404b - Brain not found


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