Subject: Re: USB on MobilePro 800
To: Matt Thomas <email@example.com>
From: Chris Jones <firstname.lastname@example.org>
Date: 08/01/2001 15:00:52
Content-Type: text/plain; charset=us-ascii
On Wed, Aug 01, 2001 at 11:38:47AM -0700, Matt Thomas wrote:
> At 04:00 PM 7/31/2001 -0600, you wrote:
> >I asked about this once before, but got no response:
> >What's the status of USB on the MobilePro machines? Is there a lot of
> >glue to be written, or is it simple stuff that just needs a tester?
> >Is documentation lacking, or something like that?
> It's lack of documentation. Since most(all?) USB chips are PCI based
> and use DMA. However the MP800 is not PCI based. So there must be some
> glue logic somewhere. My guess is that the USB has a 64KB shared RAM
> buffer that is the limit of it's dmaable memory. But it's hard to tell.
> Now if NEC was willing to release the documentation or sources to its
> WINCE USB driver for the MP800, it would go a long way to getting it
You've already asked NEC for info, right? Do you think it would do
any good for others to nag them, too? Does anybody have a good
contact at NEC that we could go through?
Chris Jones Mad scientist at large
www.netbsd.org www.postgresql.org www.schemers.org www.python.org
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