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Re: Writer Needs Help

From J Burns <burns4@nowhere.com>
Newsgroups comp.sys.mac.system
Subject Re: Writer Needs Help
Date 2014-05-18 23:42 -0400
Organization A noiseless patient Spider
Message-ID <llbuia$s5f$1@dont-email.me> (permalink)
References (11 earlier) <llb38i$rok$1@dont-email.me> <180520141607175169%nospam@nospam.invalid> <llbfso$iet$1@dont-email.me> <180520141948039894%nospam@nospam.invalid> <llbk5u$6n6$2@dont-email.me>

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On 5/18/14, 8:44 PM, Alek Trishan wrote:
> nospam has written on 5/18/2014 7:48 PM:
>> In article <llbfso$iet$1@dont-email.me>, Alek Trishan
>> <alek.trishan@gmail.com> wrote:
>>
>>>>>>>>> Can't she run the 17" without a battery, from (as you would say) the
>>>>>>>>> mains?
>>>>>>>>
>>>>>>>> she can but it will be roughly half its normal speed.
>>>>>>>
>>>>>>> Really? What causes that?
>>>>>>
>>>>>> according to apple,
>>>>>>
>>>>>>    If the battery is removed from a MacBook or MacBook Pro, the
>>>>>>    computer will automatically reduce the processor speed. This prevents
>>>>>>    the computer from shutting down if it demands more power than the A/C
>>>>>>    adapter alone can provide.
>>>>>
>>>>> So the AC adapter is deliberately crippled so they can sell more
>>>>> batteries???
>>>>
>>>> how do you get that?
>>>>
>>>> normally, the power consumption of the macbook is well under what the
>>>> power adapter can provide. however, it's possible that a peak burst
>>>> could momentarily push it beyond, in which case the battery will fill
>>>> the void until it drops back down. it's just a brief spike.
>>>
>>> I never heard of that with a PC. Apparently, either PC OSes operate
>>> differently or the PC laptop manufacturers supply an adapter that can
>>> handle anything thrown at it.
>>
>> apparently they don't.
>>
>> <http://support.lenovo.com/en_US/detail.page?DocID=HT075965>
>>    Newer ThinkPads make use of high performance CPUs that may require
>>    more power than what the 65W adapter can provide while also
>>    supporting USB, Optical and other attached devices, especially in
>>    docked configurations.  To prevent the potential for sudden system
>>    shut down if the power demand exceeds what the adapter can supply,
>>    the maximum clock speed may be limited when the system is operated on
>>    the 65W AC adapter and no battery is installed.
>
>  From the same source:
>
> "Solution: If maximum frequency operation is preferred in such
> situations, a 90W AC adapter should be used. "
>
>>> Can you tell me what kind of program might cause a spike in power needed?
>>
>> 3d gaming.
>
> I can assure you that she will never ever if-she-lives-to-be-150 be a 3D
> gamer. :-)
>
> Any others?
>
The CPU use of my 2012 Mini is normally under 10%, but some system 
housekeeping will make it spike much higher.  Handbrake, which converts 
videos to MP4, will hold it at 100%. It amazes me that in 20 minutes, 
this doesn't heat the CPU enough for the fan to speed up.

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Thread

Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-16 20:02 -0400
  Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-16 20:20 -0400
  Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-17 12:57 +1200
    Re: Writer Needs Help Savageduck <savageduck1@{REMOVESPAM}me.com> - 2014-05-16 20:24 -0700
      Re: Writer Needs Help Savageduck <savageduck1@{REMOVESPAM}me.com> - 2014-05-16 20:29 -0700
  Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-16 21:09 -0400
    Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-16 21:31 -0400
      Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-17 12:34 -0400
        Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-18 10:33 +1200
          Re: Writer Needs Help Tim Streater <timstreater@greenbee.net> - 2014-05-17 23:39 +0100
            Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-18 10:50 +1200
              Re: Writer Needs Help Tim Streater <timstreater@greenbee.net> - 2014-05-17 23:54 +0100
                Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-17 19:09 -0400
            Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-17 19:06 -0400
              Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-17 19:09 -0400
                Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-17 19:21 -0400
                Re: Writer Needs Help Tim Streater <timstreater@greenbee.net> - 2014-05-18 00:36 +0100
                Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-18 14:08 +1200
                Re: Writer Needs Help Tim Streater <timstreater@greenbee.net> - 2014-05-18 09:45 +0100
                Re: Writer Needs Help dorayme <do_ray_me@bigpond.com> - 2014-05-24 08:10 +1000
                Re: Writer Needs Help Tim Streater <timstreater@greenbee.net> - 2014-05-24 13:04 +0100
                Re: Writer Needs Help dorayme <do_ray_me@bigpond.com> - 2014-05-25 08:32 +1000
              Re: Writer Needs Help Savageduck <savageduck1@{REMOVESPAM}me.com> - 2014-05-17 16:43 -0700
                Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-18 14:09 -0400
              Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-18 13:58 +1200
          Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-17 19:06 -0400
            Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-17 19:08 -0400
              Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-17 19:25 -0400
                Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-18 13:56 +1200
            Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-18 13:50 +1200
              Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-18 14:10 -0400
                Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-18 14:26 -0400
                Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-18 15:21 -0400
                Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-18 15:37 -0400
                Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-18 15:56 -0400
                Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-18 16:07 -0400
                Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-18 19:31 -0400
                Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-18 19:48 -0400
                Re: Writer Needs Help Alek Trishan <alek.trishan@gmail.com> - 2014-05-18 20:44 -0400
                Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-18 21:07 -0400
                Re: Writer Needs Help J Burns <burns4@nowhere.com> - 2014-05-18 23:42 -0400
                Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-19 09:38 +1200
    Re: Writer Needs Help Your Name <YourName@YourISP.com> - 2014-05-17 13:43 +1200
      Re: Writer Needs Help nospam <nospam@nospam.invalid> - 2014-05-16 22:04 -0400

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