Hi Ronni, I have an iMac 21.5 inch Dec 2012. It is an i7 processor 3.1Ghz Preferred to use my budget for the higher specs rather than the bigger screen (even though I would like both). One of the CONS of being an aged pensioner with regard to spending. It is an i7 processor 3.1Ghz
I used to use mains powered drives for Time Machine backups. But I found a USB drive less obtrusive on my desk and saved one outlet on my power board. Also a little less cable clutter. I am happy to just stick with the “no sleep” method. I am used to it now and powering off at night is not an issue either. I just need to warn any guests that use my iMac (not very often that happens either). On 10 Jun 2014, at 1:30 pm, Ronda Brown <ro...@mac.com> wrote: >> So as far as we are aware there are not yet any portable hard drives that >> have the sleep issue covered ? > > As far as I am aware Power Nap will not power on a USB drive. When your Mac > is plugged into AC power, Power Nap can perform things like Time Machine > backups to an AirPort Time Capsule and download OS X software updates while > your Mac sleeps. > > Can you Mac use Power Nap? I don't think you have mentioned what Mac you are > using. > If using an iMac it has to be (Late 2012) and later. > > Cheers, > Ronni > Sent from Ronni's iPad4 > > > On 10 Jun 2014, at 12:32 pm, Stephen Chape <chap...@bigpond.com> wrote: > >> Hi Ronni - you must have been the WAMUG member who gave me this info about a >> year ago. >> And I thank you for that. >> I have sleep mode switched off on my iMac since then, so not a problem. >> >> However I always power my iMac off each night and power on again in the >> morning. >> This does not seem to be a problem as the drive copies that action without >> ejecting. >> It just seems to be the sleep mode that is the issue. >> >> The issue only loomed again last week when my step son came over from Dubai >> for a few days. >> One night he used the iMac and put it to sleep when he finished. >> Of course when I came into the office later I saw the message on screen and >> no HD icon. >> >> So as far as we are aware there are not yet any portable hard drives that >> have the sleep issue covered ? >> >> On 10 Jun 2014, at 12:23 pm, Ronda Brown <ro...@mac.com> wrote: >> >>> Hi Stephen, >>> >>> Power management in newer Mac products use a VERY LOW POWER sleep mode, >>> almost to hibernation state. Most external drives can only detect a >>> connection to a computer when the computer is sending a line level signal >>> via connection cable. When newer macs enter sleep mode the power is beneath >>> the threshold level these external devices are capable of sensing. >>> Therefore, when the computer sleeps, the drive thinks the computer is off >>> and puts itself to sleep causing improper dismount or self-eject, and of >>> course generating the message that the device has been improperly ejected. >>> And Yes, this can damage files. >>> >>> What is required when using these devices is to either eject the drive >>> manually through the Finder Window, and then let your computer sleep, or >>> adjust your power management setting in System Preferences - "Energy Saver" >>> tab to "NEVER" for the 'Computer Sleep' setting. Also in the same Energy >>> Saver window, be certain to UNCHECK 'Put hard disks to sleep whenever >>> possible," and UNCHECK 'Enable Power Nap.' >>> >>> Many external drives have their own power management features as well, that >>> can be set from its own settings window and these operate independently of >>> OS X. If these devices are set for a sleep mode before OS X sleeps, it will >>> cause itself to eject improperly from the OS and you will get error >>> messages and possibly corrupt data and or your backup. >>> Where these devices offer power management settings, it is advisable to >>> disable any sleep settings. >>> >>> Until all of the manufacturers catch up with ultra low power connection >>> discovery, it is highly recommended that you manually eject your drive >>> through OS X Finder prior to any time you plan to let your computer sleep, >>> or before you turn it off. >>> This should be rule of thumb for any external storage devices connected to >>> a Mac >>> >>> Cheers, >>> Ronni >>> Sent from Ronni's iPad4 >>> >>> >>> On 10 Jun 2014, at 10:36 am, Stephen Chape <chap...@bigpond.com> wrote: >>> >>>> Hi folks …. FYI >>>> >>>> I emailed Imation to ask if any of their portable external drives had been >>>> configured yet to handle the later Mac’s low powered sleep mode. They >>>> eject when Mac is in sleep mode. >>>> >>>> Following is their reply and my response to their reply. >>>> >>>> >>>>> Dear Stephen, >>>>> >>>>> >>>>> Thank you for taking the time to contact our Technical Support Department. >>>>> Regarding your inquiry, we don't have any device that has the ability to >>>>> change this feature. Unfortunately, when your computer goes to sleep mode, >>>>> our devices to to Sleep mode as well. >>>>> >>>>> Therefore, when the computer wakes up, it doesn't have enough energy to >>>>> wake >>>>> up the unit and you need to unplug it and plug it back in to use it again. >>>>> In this case, we don't have any information to fix this problem since the >>>>> issue is with the power on the computer. >>>>> >>>>> I hope you find this information useful. If you require any more >>>>> assistance, >>>>> please feel free to contact us back. We'll be glad to assist you. >>>>> >>>>> Best regards, >>>>> >>>>> Brian Aguilar >>>>> Technical Support Specialist >>>> >>>> >>>> Hello Brian, >>>> >>>> Thank you for your prompt reply regarding this matter. >>>> I was told about 12 months ago by other members of my Mac Users Group that >>>> portable HD manufacturers had not yet caught up with Apple’s low powered >>>> sleep technology. I thought that Imation may have moved forward by now. >>>> >>>> I therefore consider the issue to be with Imation and not with Apple ! >>>> >>>> Thank you once again for your prompt reply. >>>> >>>> On 10 Jun 2014, at 1:44 am, Imation Support <techsupp...@imation.com> >>>> wrote: > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> Regards, Stephen Chape Mac by choice Windows because my employer knew no better
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