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PowerMac G5 sleep issue [message #250643] Tue, 29 April 2014 17:50 Go to next message
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Thought folks here may get some valuable info from this post on Cube Owners by a friend of mine in Grand Junction Colorado, Anwar Shiekh, We both have been working for two weeks on this problem. Maybe some members have some more input?


Lost another big chunk of time on a lack of auto deep-sleep under 10.5.8

My G5 PowerMac (latest generation) would not auto deep-sleep (worked fine when done by hand) and that can cost a good chunk of money in electricity (~$100 a year as it idles around 130W, deep-sleeps at about 1/7th of this); turns out that the problem was introduced in 10.5.7 and not fixed in 10.5.8. It is probably a coincidence that the Energy Saver icon was an Edison bulb in 10.5.6, but moved to a CFL in 10.5.7. Earlier G5 PowerMac generations don't seem to suffer this fate, so this may not be of concern to Cube users.

P.S. Since writing this I have located two work arounds and one fix from the Web, all of which I have confirmed.

* Stick with 10.5.6 as mentioned above (but quite a lot changed from 10.5.6 to 10.5.8)

or

* Leave a disk in the DVD drive

I took the risk of over-riding the Apple firmware with the manufacturer's (LG), but that did not solve the problem; at least I managed not to brick the drive. However

* Using another model DVD drive (Apple System Profiler lists the problem drive as: HL-DT-ST DVD-RW GWA-4165B)

is all it took to resolve this issue. I tried an NEC 2100AD from another machine I had, and read that an LG GH22NP20 also solves the problem, and hope to try the Apple branded SONY DW-Q28A soon.


Makes one wonder about the wisdom of keeping old equipment running; $100 a year in electricity can soon add up to a new machine. Can't complain that life is not keeping me occupied.


Maybe we could start a list of Good and Bad drives with respect to this issue.



John Carmonne
Yorba Linda CA
92886 USA
MacPro 2.66 Quad Nehalem






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Re: PowerMac G5 sleep issue [message #250727 is a reply to message #250643] Wed, 30 April 2014 16:28 Go to previous message
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----- Original Message -----
From: 'John Carmonne' via G-Group <g3-5-list@googlegroups.com>
Subject: PowerMac G5 sleep issue

My G5 PowerMac (latest generation) would not auto deep-sleep (worked fine when done by hand) and that can cost a good chunk of money in electricity (~$100 a year as it idles around 130W, deep-sleeps at about 1/7th of this); turns out that the problem was introduced in 10.5.7 and not fixed in 10.5.8. It is probably a coincidence that the Energy Saver icon was an Edison bulb in 10.5.6, but moved to a CFL in 10.5.7. Earlier G5 PowerMac generations don't seem to suffer this fate, so this may not be of concern to Cube users.

[snip]

* Using another model DVD drive (Apple System Profiler lists the problem drive as: HL-DT-ST DVD-RW GWA-4165B)

is all it took to resolve this issue. I tried an NEC 2100AD from another machine I had, and read that an LG GH22NP20 also solves the problem, and hope to try the Apple branded SONY DW-Q28A soon.


Makes one wonder about the wisdom of keeping old equipment running; $100 a year in electricity can soon add up to a new machine. Can't complain that life is not keeping me occupied.


Maybe we could start a list of Good and Bad drives with respect to this issue.
------------------------------------------------------------ -----------------

My Reply:

Not sure when the latest generation of G5's begins but I have a dual 2.5 Ghz PowerMac G5 (June 2004), Machine Model PowerMac7,3.

It has a Pioneer DVR-117D rev B705 and does not have the sleep problems you describe. --glen









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You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
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