Re: G4 PowerMac 500MHz Sawtooth won't shut down

2009-07-07 Thread Lawrence David Eden

On Jul 6, 2009, at 11:52 AM, Bruce Johnson wrote:



  On Jul 4, 2009, at 11:41 AM, Timo Virkkala wrote:


  I'm trying to revive a G4 box. I pulled a hard drive and memory
  from a
  working 400MHz Sawtooth into a 500MHz Sawtooth.

  But it won't shut down from the software. It restarts.



I have an old PowerPC 5500 at one of my schools that used to behave 
this way.  Turns out that something was pressing against the back of 
the computer and this caused it to restart after shut-down.  I moved 
the Mac a little on the desk and removed and re-seated the various 
cables that were connected... and it solved the problem.

Larry

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Re: G4 PowerMac 500MHz Sawtooth won't shut down

2009-07-06 Thread Bruce Johnson


On Jul 4, 2009, at 11:41 AM, Timo Virkkala wrote:


 I'm trying to revive a G4 box. I pulled a hard drive and memory from a
 working 400MHz Sawtooth into a 500MHz Sawtooth.

 But it won't shut down from the software. It restarts.

 I pulled items out of the admin account's Library/StartupItems/
 folder. Still does it.

 Could hard drive jumper settings do this? (I have no jumper installed
 in the Western Digital drive, right now.)

 What else could cause this?

I've had this happen with flaky USB devices attached.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs



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Re: G4 PowerMac 500MHz Sawtooth won't shut down

2009-07-06 Thread Bill Connelly


On Jul 6, 2009, at 11:52 AM, Bruce Johnson wrote:



 On Jul 4, 2009, at 11:41 AM, Timo Virkkala wrote:


 I'm trying to revive a G4 box. I pulled a hard drive and memory  
 from a
 working 400MHz Sawtooth into a 500MHz Sawtooth.

 But it won't shut down from the software. It restarts.

 I pulled items out of the admin account's Library/StartupItems/
 folder. Still does it.

 Could hard drive jumper settings do this? (I have no jumper installed
 in the Western Digital drive, right now.)

 What else could cause this?

 I've had this happen with flaky USB devices attached.

 -

My old, original QS 2002 mobo had a rickety USB port ... I believe it  
made my KB a flaky USB device when I wasn't careful.

Replacing the mobo solved that, too ... and the fried components from  
the electrical strike ... and possibly a bad eBay purchase a year  
earlier ... all solved with a $45 Rev B mobo ...


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G4 PowerMac 500MHz Sawtooth won't shut down

2009-07-04 Thread Timo Virkkala

I'm trying to revive a G4 box. I pulled a hard drive and memory from a  
working 400MHz Sawtooth into a 500MHz Sawtooth.

But it won't shut down from the software. It restarts.

I pulled items out of the admin account's Library/StartupItems/  
folder. Still does it.

Could hard drive jumper settings do this? (I have no jumper installed  
in the Western Digital drive, right now.)

What else could cause this?

timo v

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Re: G4 PowerMac 500MHz Sawtooth won't shut down

2009-07-04 Thread Bill Connelly


On Jul 4, 2009, at 2:41 PM, Timo Virkkala wrote:


 I'm trying to revive a G4 box. I pulled a hard drive and memory from a
 working 400MHz Sawtooth into a 500MHz Sawtooth.

 But it won't shut down from the software. It restarts.

 I pulled items out of the admin account's Library/StartupItems/
 folder. Still does it.

 Could hard drive jumper settings do this? (I have no jumper installed
 in the Western Digital drive, right now.)

 What else could cause this?

 timo v

Guessing at it:

Did you carefully blow the dust out of the slots in the box you're  
reviving?

No PCI cards to cause issues?

Known good agp video card?

Maybe have the Maxtor jumpered to Master. I believe that is a fail  
safe setting?

New, or tested good,  PRAM battery?

Does it behave booting from/shutting down from CD/DVD?

USB KB and Mouse good?

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