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Re: IDSEL signal compact PCI



Hi,

you may either connect it directly (done on most off the shelf backplanes)
or through a small damping resistor. 100Ohms is a good value.

We've been doing System boards and backplanes for years.

regards,

Peter Marek
General Director
MarekMicro GmbH
tel.: 049-9621-9732-110
fax: 049-9621-9732-199
www.marekmicro.de

----- Original Message -----
From: "Nico Fleurinck" <nico.fleurinck@verhaert.com>
To: <pci-sig@znyx.com>
Sent: Wednesday, November 06, 2002 2:52 PM
Subject: IDSEL signal compact PCI


> Dear experts,
> Can anybody tell me how you need to handle the IDSEL signal?
> In the PICMG 2.0 R3.0 document on page 22 they are saying that you need to
> connect it with AD31...AD25 via the backplane.
> Do you need to foresee a resistor between the IDSEL signal line and the
ADxx
> signal line?
> If so, what is the value for that resistor?
> It's not very clear for me how to handle that IDSEL signal.
> Please send me some feedback if you have experiences with designing
compact
> PCI system board or backplanes.
>
> Best regards,
> Nico
>
> Nico Fleurinck
> Junior Design Engineer
> VERHAERT Satellites & Platforms
> Hogenakkerhoekstraat 21
> B-9150 Kruibeke
>
> Tel : +32 3 250.1984
> Fax : +32 3 254.1008
> e-mail : nico.fleurinck@verhaert.com
> Visit us : www.verhaert.com
>
>
>