[ltp] Re: WARNING: Lenovo ThinkPads and 65W power supplies

Mario Theodoridis linux-thinkpad@linux-thinkpad.org
Fri, 5 Nov 2010 13:42:45 -0700


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On Friday, 5. 11 2010 07:18:15 Ben Pfaff wrote:
> Laurent <pumpkin@gmx.de> writes:
> >> This is a warning to owners of any Lenovo ThinkPads that own 65W AC
> >> power adaptors.
> >
> > Some new intel-GPU thinkpads come with a 65W PSU by default. Are you sure
> > the problems (lower max. frequency w/o batt) applies to them as well?
>
> My X201 is labeled 20V, 3.25V - 4.5V.  Multiplying, that's 65W - 90W.
> It came with only a 65W power supply.  If it can really consume 90W,
> then the 65W power supply is inadequate for that.

The 90W supply that came with my W500 claims 20V 4.5A

Mario

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"><html><head><meta name="qrichtext" content="1" /><style type="text/css">p, li { white-space: pre-wrap; }</style></head><body style=" font-family:'DejaVu Sans'; font-size:9pt; font-weight:400; font-style:normal;">On Friday, 5. 11 2010 07:18:15 Ben Pfaff wrote:<br>
&gt; Laurent &lt;pumpkin@gmx.de&gt; writes:<br>
&gt; &gt;&gt; This is a warning to owners of any Lenovo ThinkPads that own 65W AC<br>
&gt; &gt;&gt; power adaptors.<br>
&gt; &gt;<br>
&gt; &gt; Some new intel-GPU thinkpads come with a 65W PSU by default. Are you sure<br>
&gt; &gt; the problems (lower max. frequency w/o batt) applies to them as well?<br>
&gt;<br>
&gt; My X201 is labeled 20V, 3.25V - 4.5V.  Multiplying, that's 65W - 90W.<br>
&gt; It came with only a 65W power supply.  If it can really consume 90W,<br>
&gt; then the 65W power supply is inadequate for that.<br>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><br></p>The 90W supply that came with my W500 claims 20V 4.5A<br>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;"><br></p>Mario</p></body></html>
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