SAS-3 drive connector conference call, 10:00 am CDT, Tuesday, March 15, 2011

Mellitz, Richard richard.mellitz at
Thu Mar 10 06:11:11 PST 2011

Formatted message: <a href="">HTML-formatted message</a>

It possible to have testing be done somewhere like UNH so that test boards
can be manufactured together on one panel. I understand there are logistics
issues but it could work.
... Rich
From: owner-t10 at [mailto:owner-t10 at] On Behalf Of Alvin Cox
Sent: Wednesday, March 09, 2011 11:03 PM
To: T10 Reflector
Subject: SAS-3 drive connector conference call, 10:00 am CDT, Tuesday, March
15, 2011
During the SAS PHY meeting, there was considerable concern expressed about
12G drive connector performance when connector solutions from different
manufacturers are mated together. It is not known whether a connector from
vender A mated with a connector from vendor B or C will provide the required
performance. If there are performance issues with mixing vendors, the SAS phy
group needs to have data available so that if a particular connector design
solution is required for interoperability, the selection can be made by
evaluation of a controlled and unbiased set of data. To obtain this data, it
appeared that there was agreement among the connector manufacturers that a
standard receptacle test board and footprint can be agreed upon. Drive plug
boards, because of the many different mounting requirements, would not lend
themselves to a common test board, but would require unique boards for
optimized footprints that consider the lead geometry and mounting
configuration. These boards must be designed to several specific common
attributes such as board material, number of layers, trace length, SMA
connector type, etc. to be defined by the working group. During additional
discussion in the STA plugfest meeting, a goal of having the data compiled
and the capability of making an informed decision at the July T10 meeting if
a connector design needs to be selected was set. Although aggressive, this
schedule is not out of reason with the application of enough commitment and
effort. To facilitate this endeavor, a separate set of teleconferences is
being set up to address this specific issue. Interested parties are
encouraged to attend. These connector-specific teleconferences will be held
separately from the regular phy working group teleconferences.
Date: Tuesday, March 15, 2011
Time: 10:00 am, Central Daylight Time
12G drive connector measurement plan:
Common receptacle test board/footprint
Drive test board requirements
Define what tests
Interoperability logistics
Additional topics
Call schedule
USA Toll Free Dial in Number: (877)810-9442
International Access/Caller Paid Dial In Number: (636)651-3190
Topic: SAS-3 drive connector
Date: Tuesday, March 15, 2011
Time: 10:00 am, Central Daylight Time (Chicago, GMT-05:00)
Meeting Number: 829 042 835
Meeting Password: connector
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Alvin Cox
Seagate Technology, LLC
Cell 405-206-4809
Office 405-392-3738
E-Mail	alvin.cox at

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