Note updates for discussion on the 4/4 SAS PHY teleconference

Penokie, George George.Penokie at lsi.com
Wed Apr 3 12:00:45 PDT 2013


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Alvin,
As long is that is a table footnote and not a note then the wording looks OK.
Bye for now,
George Penokie
LSI Corporation
3033 41 St NW
Rochester , MN 55901
507-328-9017
george.penokie at lsi.com
From: owner-t10 at t10.org [mailto:owner-t10 at t10.org] On Behalf Of Alvin Cox
Sent: Wednesday, April 03, 2013 1:41 PM
To: T10 Reflector
Subject: Note updates for discussion on the 4/4 SAS PHY teleconference
Note updates:
Page 157, table 34 in reference to physical link rate long-term accuracy:
Please define long-term (how long is 'long').
Delete reference to "long-term" and change note a to the following:
Physical link rate accuracy may be measured at any point in the life of the
product and should be measured using a frequency counter with a minimum
resolution of 100 Hz.
Page 172, table 145 in reference to the values for hold hold hold (top line
of table):
Discussion on this item pointed out that there is really no requirement for
long-term stability and that the long-term aspect isn't something that can be
addressed in the table because the table only applies for a single command
step. The hold/hold/hold case was verified as a valid request and should be
included. The consensus is that the numbers need to stay and a note added to
the effect that sequential hold/hold/holds do not result in a cumulative
shift.
New note:
The peak-to-peak voltage and equalization voltage differences between the
initial condition and following any single or consecutive hold/hold/hold
command shall not be greater than the specified range.
--
Alvin Cox
Seagate Technology, LLC
Cell 405-206-4809
Office 405-392-3738
E-Mail	alvin.cox at seagate.com



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