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 Numerous users are reporting an issue where various Mac Pro models restart instead of waking from sleep. In other words, the user puts his Mac Pro to sleep, returns a few hours later and presses the space bar to wake the system only to witness the system restart.

One poster to Apple’s Discussion boards reporting the issue wrote:

“Occasionally, it reboots when being awakened after an overnight sleep. I have only Apple RAM in the Mac Pro. My Mac Pro is the ONLY thing on a dedicated 15 amp circuit and the Mac pro is connected to a new APC RS1500 UPS which can supply 865 watts. I have noticed that on waking up from sleep the UPS shows a maximum momentary draw of about 400 watts — well within the capacity of the RS1500 to supply. […] I should point out that this rebooting upon waking from sleep does not occur every time, but only occasionally. The machine always boots promptly and I never see any error messages either on screen or in the Console Log.”

A number of fixes have been suggested, but unfortunately, none appear to be permanent or universally successful.

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 Apple has released iTunes 7.6.1, a minor update to the music playback, purchase and synchronization tool that “includes several bug fixes and improves compatibility with Apple TV software version 2.0.”

The new release is available through Software Update, or as a standalone download.

UPDATE: Apple has now posted a Knowledge Base article explicating a specific fix in this update:

“In rare instances, iTunes 7.6 may become unresponsive during use. This issue may occur due to specific media within your iTunes Library. Solution: Update to iTunes 7.6.1.”

We haven’t noticed any iPhone or iPod touch-related enhancements in this release, but if you’ve found some, please let us know.

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What you need to do before upgrading to Vista.

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How to deploy an Exchange 2007 SP1 CCR based clustered mailbox server on a Windows Server 2008 failover cluster.

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How to deploy an Exchange 2007 SP1 CCR based clustered mailbox server on a Windows Server 2008 failover cluster.

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With their domination of the inkjet market, multifunction printers represent more than just a simple alternative to conventional A4 printers. Using the same print engines and benefiting from enormous progress in the level of integration between the printing and scanning components, they are becoming easier to use and their prices are in freefall. What could be more tempting?

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Memory resident software can provide a level of security, but it can always be altered. We show you how special hardware on the motherboard works to shield PCs from a variety of threats.

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We compare the performance of the dual-socket Skulltrail system to that of Core 2 Extreme QX9770 and QX9650 CPUs. All three are Penryns and share identical features, but the test results were not what we expected.

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