[X4U] fall 2009 iMac & USB ports

Eugene list-themacintoshguy at fsck.net
Wed Aug 18 16:53:08 PDT 2010


On Wed, Aug 18, 2010 at 03:37:08PM CDT, Al Grappone <algrappone at comcast.net> wrote:
> 
> On Aug 18, 2010, at 3:04, Eugene wrote:
> 
> >AFAIK, all USB ports stay powered when a Mac is in sleep mode.
> 
> Mine does not
> 
> Al Grappone (87) USN Ret  20" iMac OS X 10.5.8  2. 1 GHz ,PPCG5.
> 1GB DDFR2 SDram memory, Mail 3.6,  iTunes9.2 iLife9 Quicken2007
> 16.0.0, Epson Perfection 2450 Photo Scanner, Canon iP5200 Photo
> Printer,Netgear Wireless-N router

I read somewhere else (can't remember where) that the power-stays-on
feature has been around since the switch to Intel processors.  I'm not
at all sure about USB power on PowerPC boxes.


-- 
Eugene
http://www.coxar.pwp.blueyonder.co.uk/


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