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Re: QS2002 shuts down when sleep selected [message #337402] Tue, 14 February 2017 13:15 Go to next message
Kris Tilford is currently offline  Kris Tilford
Messages: 133
Registered: August 2012
Karma: 0
Senior Member
On Feb 14, 2017, at 3:55 AM, Gerald <geraldcornish@gmail.com> wrote:
>
> This morning I have managed to reset the pram - and it has just shut down again as I write!

Instant shutdowns are often caused by bad RAM. You should probably troubleshoot the RAM.

I’d open it up, remove all the RAM, visually inspect the gold trace leads, and reinstall.

A PPC Ubuntu boot CD has MemTest in the initial boot menu, or find a similar Mac boot CD with a RAM test.

Other things you can do is start with a single stick of RAM, use the computer, if the problem disappears, then add another stick, until you either determine which stick is bad, or find the problem is either not related to RAM, or was the bad seating of the RAM within the slot.

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Re: QS2002 shuts down when sleep selected [message #337524 is a reply to message #337402] Thu, 16 February 2017 06:10 Go to previous messageGo to next message
geraldcornish is currently offline  geraldcornish
Messages: 39
Registered: August 2012
Karma: 0
Member
Kris, thanks for the reminder about checking ram.

I used Rember to perform the check, switching the three sticks around
each time to allow for system memory (123, 231, 312) but all passed.

I also tried starting with just one of each stick and still get shutdown
when sleep requested.

I then tried AHT for G4s and that found no problems.

Sometimes a restart works, sometimes it gives shutdown.

By the way, these shutdowns, when they occur, are instant, no disk work,
no question whether to close a file, just instant shutdown and silence.

I think it unlikely to be hdd problems as it occurs with tiger on two
different hdds.

I've tried two pram batteries and the date & time are being reserved
over several days.

I've also tried starting without pram battery and, apart from being told
the date is wrong, the sleeps still shutdown.

I'll do a complete system re-install (the two systems are identical, one
being a clone of the main hdd) - this is about the last resort.

Regards

Ged

On 2017/02/14 18:15, Kris Tilford wrote:
> On Feb 14, 2017, at 3:55 AM, Gerald <geraldcornish@gmail.com
> <mailto:geraldcornish@gmail.com>> wrote:
>>
>> This morning I have managed to reset the pram - and it has just shut
>> down again as I write!
>
> Instant shutdowns are often caused by bad RAM. You should probably
> troubleshoot the RAM.
>
> I’d open it up, remove all the RAM, visually inspect the gold trace
> leads, and reinstall.
>
> A PPC Ubuntu boot CD has MemTest in the initial boot menu, or find a
> similar Mac boot CD with a RAM test.
>
> Other things you can do is start with a single stick of RAM, use the
> computer, if the problem disappears, then add another stick, until you
> either determine which stick is bad, or find the problem is either
> not related to RAM, or was the bad seating of the RAM within the slot.
>
> --
> --
> 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.
> The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our
> netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
> To post to this group, send email to g3-5-list@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/g3-5-list
>
> ---
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> Groups "G-Group" group.
> To unsubscribe from this group and stop receiving emails from it, send
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Re: QS2002 shuts down when sleep selected [message #337558 is a reply to message #337524] Thu, 16 February 2017 15:26 Go to previous message
geraldcornish is currently offline  geraldcornish
Messages: 39
Registered: August 2012
Karma: 0
Member
Regarding my plan to re-install tiger: the QS2002 persistently kernel
panics when attempting to start from firewire drive with 10.4.3 install
dvd image (this has been successful many times as my normal tiger
installer) -

panic(cpu 0 caller 0x0036E28C): "Unable to find driver for this
platform:
\"PowerMac3.5\" .\n@/SourceCache/xnu/xnu-1228.5.20/iokit/IOPlatformExpert.cp p:1407

I'm thinking to move from this problem on unless someone has an answer
to this which allows me to re-install tiger.

It seems obvious to me now that the only thing left is the power supply
- but should I have seen this from the problem snippets I have mentioned
so far?

Regards

Ged



On 2017/02/16 11:10, Gerald wrote:
> Kris, thanks for the reminder about checking ram.
>
> I used Rember to perform the check, switching the three sticks around
> each time to allow for system memory (123, 231, 312) but all passed.
>
> I also tried starting with just one of each stick and still get
> shutdown when sleep requested.
>
> I then tried AHT for G4s and that found no problems.
>
> Sometimes a restart works, sometimes it gives shutdown.
>
> By the way, these shutdowns, when they occur, are instant, no disk
> work, no question whether to close a file, just instant shutdown and
> silence.
>
> I think it unlikely to be hdd problems as it occurs with tiger on two
> different hdds.
>
> I've tried two pram batteries and the date & time are being reserved
> over several days.
>
> I've also tried starting without pram battery and, apart from being
> told the date is wrong, the sleeps still shutdown.
>
> I'll do a complete system re-install (the two systems are identical,
> one being a clone of the main hdd) - this is about the last resort.
>
> Regards
>
> Ged
>
> On 2017/02/14 18:15, Kris Tilford wrote:
>> On Feb 14, 2017, at 3:55 AM, Gerald <geraldcornish@gmail.com
>> <mailto:geraldcornish@gmail.com>> wrote:
>>>
>>> This morning I have managed to reset the pram - and it has just shut
>>> down again as I write!
>>
>> Instant shutdowns are often caused by bad RAM. You should probably
>> troubleshoot the RAM.
>>
>> I’d open it up, remove all the RAM, visually inspect the gold trace
>> leads, and reinstall.
>>
>> A PPC Ubuntu boot CD has MemTest in the initial boot menu, or find a
>> similar Mac boot CD with a RAM test.
>>
>> Other things you can do is start with a single stick of RAM, use the
>> computer, if the problem disappears, then add another stick, until
>> you either determine which stick is bad, or find the problem is
>> either not related to RAM, or was the bad seating of the RAM within
>> the slot.
>>
>> --
>> --
>> 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.
>> The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our
>> netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
>> To post to this group, send email to g3-5-list@googlegroups.com
>> For more options, visit this group at
>> http://groups.google.com/group/g3-5-list
>>
>> ---
>> You received this message because you are subscribed to the Google
>> Groups "G-Group" group.
>> To unsubscribe from this group and stop receiving emails from it,
>> send an email to g3-5-list+unsubscribe@googlegroups.com
>> <mailto:g3-5-list+unsubscribe@googlegroups.com>.
>> For more options, visit https://groups.google.com/d/optout.
>

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