Question about the heat sinks in these models

Hey all,
Can anyone tell me about the heat sinks used in these model laptops?
Here are my questions:
Are they made from pure copper?
What is inside the tubes that run between the processor covers and the fan? Is it just air? or something else?
Is the thermal paste that sticks to the processors toxic?
I'm not sure this is the right place to ask but thought i might as well try.
Solved!
Go to Solution.

you mean the entire T series range, or are you after information on a specific T model?
1) most of the parts are made of pure copper
2) there is a working fluid within heat pipe, which should either ethanol or acetone. The phase change from liquid to gaseous phase is what transports the heat away from CPU/GPU/motherboard chipsets.
http://en.wikipedia.org/wiki/Heat_pipe
3) thermal paste usually contains silicon and silver, it is not to be ingested as such.
http://en.wikipedia.org/wiki/Thermal_grease
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft

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    SET SERVEROUTPUT OFFafter that I repeated the whole procedure and this time everything worked pretty well as expected. I checked SQL*Plus documentation for SERVEROUTPUT
    and also v$session page, yet I didn't find anything indicating that SERVEROUTPUT should be switched off whenever views such as v$sql, v$session
    are queired. I don't really understand the link in terms of impact that one can have on the other or better to say rather, why there is an impact
    Could anyone kindly make some clarification?
    thanks in advance,
    Regards,
    Dariyoosh

    >
    and also v$session page, yet I didn't find anything indicating that SERVEROUTPUT should be switched off whenever views such as v$sql, v$session
    are queired. I don't really understand the link in terms of impact that one can have on the other or better to say rather, why there is an impact
    Hi Dariyoosh,
    SET SERVEROUTPUT ON has the effect of executing dbms_output.get_lines after each and every statement. Not only related to system view.
    Here below what Tom Kyte is explaining in this page:
    Now, sqlplus sees this functionality and says "hey, would not it be nice for me to dump this buffer to screen for the user?". So, they added the SQLPlus command "set serveroutput on" which does two things
    1) it tells SQLPLUS you would like it <b>to execute dbms_output.get_lines after each and every statement</b>. You would like it to do this network rounding after each call. You would like this extra overhead to take place (think of an install script with hundreds/thousands of statements to be executed -- perhaps, just perhaps you don't want this extra call after every call)
    2) SQLPLUS automatically calls the dbms_output API "enable" to turn on the buffering that happens in the package.Regards.
    Al

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