Good Luck!
Paul S. Denomme
Backplane Design Engineer
Viasystems Technologies Inc.
Richmond, VA 23113
804-226-5355
> -----Original Message-----
> From: Paul Levin [SMTP:[email protected]]
> Sent: Thursday, July 01, 1999 2:50 PM
> To: [email protected]
> Subject: Re: [SI-LIST] : Flexible and Passive PCI Backplane?
>
> Dear List,
>
> Having half of the four cards component-side-down is not a problem;
> fitting the assembly into about 1.4 vertical inches is. Incidentally,
> other
> than possibly the power connection (which could be implemented some
> other way), I have no need for a base board under the riser portion.
>
> Airflow directed at both sides should not be a problem.
>
> If the riser is rigid, I would expect to secure it to the rear panel (in
> the
> PCI sense of rear) and to at least one of the top and bottom plates.
> Card insertions and removals would be minimal.
>
> Thank you for the responses. Please do keep them coming!
>
> Paul Levin
> Xyratex
> (949) 476-1016 - voice
> (949) 476-1916 - fax
>
> Mackillop, William J. wrote:
>
> > Paul,
> > Off the top of my head I can think of quite a few folks that could
> > accomplish this in a horizontal passive backplane/midplane that has
> cards
> > plugging into both front and back. Do you control the mechanical part
> of
> > the design? ( for insertion and extraction ) Would component side down
> be a
> > problem for cards plugged in on opposite side? Could you control the
> air
> > flow?
> > The usual suspects (listed in no particular order):
> > Carlos Gavazzi
> > Hybricon
> > Schroff
> > Elma
> > Sanmina
> > Hadco
> > Viasystems
> > Amp
> > Teradyne
> > Bill
> > William J MacKillop
> > Viasystems
> > ph. 804.226.5367
> > Fax 804.226.5511
> > [email protected]
> <mailto:[email protected]>
> >
> > -----Original Message-----
> > From: Paul Levin [SMTP:[email protected]]
> > Sent: Thursday, July 01, 1999 11:34 AM
> > To: Signal Integrity Reflector
> > Subject: [SI-LIST] : Flexible and Passive PCI Backplane?
> >
> > Dear Si-List,
> >
> > I'm trying to fit three or four PCI cards, one being a
> single-board
> > computer, to a passive PCI backplane that must fit into a 1 RU
> > (1.75" high) chassis. One suggestion is to use a flex circuit
> for
> > the
> > backplane and then fold it horseshoe style in order to have the
> > cards 'butterfly' one or two on each side.
> >
> > Does anybody know of a source for such a backplane? Does
> > anyone have any other suggestion for getting that many PCI
> > cards into a 1 RU package?
> >
> > Thank you in advance,
> >
> > Paul Levin
> > Xyratex
> >
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