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Gary, Thank you very much for bringing
this potential problem to our attention. I will work with Paul to revise
the survey to avoid any perception of a violation of the IEEE anti-trust
guidelines. Respectfully; Bob Davis Chair UPAMD/P1823 bobd@xxxxxxxx 408.353.4990 desk 408.857.1273 cell bob.davis.scsi.com Skype From: upamd@xxxxxxxx
[mailto:upamd@xxxxxxxx] On Behalf Of Gary_Verdun@xxxxxxxx Paul, I believe filling in the voltage
options request you sent out would be in violation of antitrust guidelines. I
would recommend that no one on this committee complete the requested form
without reviewing the antitrust guidelines. According to the guideline we
can discuss relative cost differential of certain options and even then we need
to be very careful. I have attached the IEEE
antitrust guidelines and suggest everyone in your sub team look it over very
carefully before having any discussion about cost. If any cost or price information
exchanges hands that does not meet these guidelines Dell will immediately
withdraw participation from the committee. Regards, Gary Verdun Technology Strategist Dell | Office of the CTO office + 1 512 723 6251, fax + 1 512 723 9929 From: upamd@xxxxxxxx
[mailto:upamd@xxxxxxxx] On Behalf Of Paul Panepinto Hello: Per the UPAMD general group meeting today, I am sending this
request for your input into an important criteria for the Power Subgroup. Attached, please see the 10/7/2010 meeting notes and the agenda
for the 10/21/2010 meeting. We need more participation as we decide the
requirements for valid voltage(s). We’ve looked at 5 options
described in the attached file. Please add your analysis of how each
option impacts cost, size, efficiency, etc. before the 10/21 meeting. So far, the group prefers a single voltage with a broad tolerance,
i.e. 21V +/- 3V. This broad range accounts for voltage changes with
different cable lengths, pin sizes, current drawn, etc. But can a single
voltage be efficiently used by products as different as cordless phones,
digital picture frames, laptops, printers and external storage devices?
Would it be more cost effective to require sinks to regulate input voltages
that may vary between 18V and 24V or to put the burden of voltage regulation on
the power adapter such that the voltage at the sink is always 21V?
Creating a power adapter that can change its output voltage adds complexity,
but may offer energy savings. These are the issues we would like you to
address in your analyses in the attached template. Your participation is important. At the next Power Subgroup
meeting, we will review your analyses and work towards a conclusion of the
ideal voltage requirements for this spec. From there, we will draft
voltage and power criteria to be voted upon. Then, we will look at issues
surrounding the remaining goals including power for communications, ability to
be both a sink and a source, power for both battery and non-battery devices,
operation with unstable sources of power, Next Power Subgroup Meeting: 7am Pacific, Thursday, October 21st 10am Eastern, Thursday, October 21st 3pm London, October 21st 10pm Taiwan, October 21st 11pm Japan, October 21st See you on the October 21st meeting. And, thanks
for your input. Regards, Paul Panepinto UPAMD Power Subgroup Chair (970) 461-3077 |