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You are correct. The clock trace is required to be 2.5 +/- 0.1 inches long
and the 3.3V pins must be decoupled. Both of these items are required by
versions 2.1 and 2.2 of the spec.
CE compliance is completely unrelated to PCI compliance. CE is concerned
with emissions and immunity, not compatibility.
I would be very nervous if your board supplier has missed such simple spec
requirements. What else got missed? Products that don't follow the spec
are future system integration nightmares waiting to happen. From what you
have said, I would disqualify the supplier immediately.
At a minimum, challenge your supplier to produce compliance test results.
Consider requiring them to make their product compliant if they want your
company as a customer.
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From: Rob LaMoreaux [mailto:RLaMoreaux@BTE-US.com]
Sent: Monday, November 22, 1999 4:55 PM
To: Mailing List Recipients
We have recently purchased an add-on board that is supposed to be PCI
compliant (at least that is what it is advertised as). I noticed that
the CLK trace is NOT 2.5 inches long, and there is no bypassing on the
unused 3.3V power. I thought these both were required for PCI
Compliance. Did something change, or is the board non-compliant.
Also this board is marked CE. Does the non-compliance effect the boards
Robert D. LaMoreaux
BT Electronics LLC
459 E. cady
Northville, MI 48167