Re: Arrrggh! G4 dies from just sitting there?

2009-07-03 Thread Paul

 ... Sometimes I've found that a perfectly sound, sweet-running Mac  
 will go absolutely dead after sitting for a period of weeks or months,  
 especially if it's been stored in an unheated room or storage place,  
 such as a garage. Every time, the battery still had more than 3  
 volts ... but the power supply is a goner. I've taken apart a few and  
 could find nothing obviously wrong, other than some tin whiskers.  
 Removing as many as I could once or twice, I fergit, revived the PS.  
 My theory is that humidity does stuff to the innards of power supplies  
 that renders them dead the first time AC juice is poured back into 'em.


This may answer my question about my dead Gigabit power supplies. I
should open them up and clean them, and see if that helps. Nothing to
lose...
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Re: Arrrggh! G4 dies from just sitting there?

2009-07-03 Thread Paul

The Gigabit and Digital Audio power supplies (22 pins on the main
plug) are compatible withboth of those models (though not 100%
identical), but not with the Sawtooth and G3 B/W (20 pins). I'm pretty
sure you can use a G3 B/W PS in a Sawtooth, and vice versa.
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Re: Arrrggh! G4 dies from just sitting there?

2009-06-24 Thread dc

On Jun 18, 4:46 pm, Clark Martin cm...@sonic.net wrote:

 You are telling me... that THE Bruce Johnson doesn't have a dozen or so
 Macs sitting around that he could pirate a battery from, at least long
 enough to fire it up.

Bruce Johnson, you just dropped out of the top ten on my Heroes list,
now you're down there just above the List Nanny who demands bottom
posting (oh, no I didn't start THAT again!). One more hint of human
frailty and you'll drop to the bottom of my list, alongside Rafael
I've never used steroids Palmeiro.
But seriously, I have a MDD that does the same thing. Try unplugging
the power cord for 10 seconds then plugging it in and immediately
pressing the power startup button. It starts my MDD every time. I
suspect I have a totally dead PRAM battery but it's easier to unplug
it than order and install a $4.99 PRAM battery from OWC.
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Re: Arrrggh! G4 dies from just sitting there?

2009-06-22 Thread trag



On Jun 19, 10:37 am, Bruce Johnson john...@pharmacy.arizona.edu
wrote:
 On Jun 18, 2009, at 1:47 PM, Wallace Adrian D'Alessio wrote:

  If the battery is alive and the machine does not start you might try
  cleaning the battery contacts in the holder. Sometimes just spinning
  the battery in place is enough to break through the insulating coating
  whatever it's nature.

 And we have a winner!

Apparently, tiny bits of oxidation, or something can build up on
contacts.  When my VCR or TV remote stops working, I take the
batteries out, swap their positions, put them back in, and I'm good
for another several months without replacing them.  Spinning them
works sometimes too.

Jeff Walther

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-22 Thread trag



On Jun 19, 12:17 pm, Clark Martin cm...@sonic.net wrote:
 Bruce Johnson wrote:

  Well, Media Computer is a bit more grandiloquent than computer
  attached to the teevee for the purposes of playing music, watching
  video podcasts, DVD's and surfing the web.

  I'm not doing DVR or anything fancy like that.

  In the future I'm looking to consolidate our media libraries onto a
  single server and access it from all the computers in the house, but
  for now, I can keep stuff synched pretty easily.

 I have a G4 Mac Mini, 1.4 GHz, 320Gb HD, 1Gb RAM I use as a media
 computer.  I really like the compact form factor, it sits next to the
 DVD player on the shelf.  It has an El Gato Eye TV 250 Plus TV receiver
 attached.  It connects to a 52 LCD HDTV.

Have either of you two considered MythTV?   It takes a bit of
fiddling, but you're both pros at that.

http://www.mythtv.org

Jeff Walther

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-22 Thread Bruce Johnson

On Jun 22, 2009, at 7:59 AM, trag wrote:


 Have either of you two considered MythTV?   It takes a bit of
 fiddling, but you're both pros at that.

 http://www.mythtv.org

Haven't looked into it in a while, but my old G4 just does not have  
the horsepower to do a lot of that stuff. Were I to go that route I'd  
build a small Linux box or get a Mac Mini to do the job.

A future project.

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

Institutions do not have opinions, merely customs



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Re: Arrrggh! G4 dies from just sitting there?

2009-06-22 Thread Bruce Johnson


On Jun 22, 2009, at 7:57 AM, trag wrote:


 And we have a winner!

 Apparently, tiny bits of oxidation, or something can build up on
 contacts.  When my VCR or TV remote stops working, I take the
 batteries out, swap their positions, put them back in, and I'm good
 for another several months without replacing them.  Spinning them
 works sometimes too.

This puzzled me a little, since I had removed and replaced the  
battery, this usually works. Must have been a little more oxidized  
than usual.

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

Institutions do not have opinions, merely customs



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Re: Arrrggh! G4 dies from just sitting there?

2009-06-22 Thread Clark Martin

trag wrote:
 
 
 On Jun 19, 12:17 pm, Clark Martin cm...@sonic.net wrote:
 Bruce Johnson wrote:
 
 Well, Media Computer is a bit more grandiloquent than computer
 attached to the teevee for the purposes of playing music, watching
 video podcasts, DVD's and surfing the web.
 
 I'm not doing DVR or anything fancy like that.
 In the future I'm looking to consolidate our media libraries onto a
 single server and access it from all the computers in the house, but
 for now, I can keep stuff synched pretty easily.
 I have a G4 Mac Mini, 1.4 GHz, 320Gb HD, 1Gb RAM I use as a media
 computer.  I really like the compact form factor, it sits next to the
 DVD player on the shelf.  It has an El Gato Eye TV 250 Plus TV receiver
 attached.  It connects to a 52 LCD HDTV.
 
 Have either of you two considered MythTV?   It takes a bit of
 fiddling, but you're both pros at that.
 
 http://www.mythtv.org

My setup with Leopard is working so I can't really see changing to 
something that needs fiddling.  And it doesn't support my EyeTV so No, I 
wouldn't consider it.


-- 
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

I'm a designated driver on the Information Super Highway

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-22 Thread nestamicky
On 6/22/2009 9:53 AM, Bruce Johnson wrote:
 On Jun 22, 2009, at 7:59 AM, trag wrote:


 Have either of you two considered MythTV?   It takes a bit of
 fiddling, but you're both pros at that.

 http://www.mythtv.org
  

 Haven't looked into it in a while, but my old G4 just does not have
 the horsepower to do a lot of that stuff. Were I to go that route I'd
 build a small Linux box or get a Mac Mini to do the job.

 A future project.


I second Bruce on this one, I think a Linux box would do just fine. I 
can't seem to find on their site though who it pulls video into the 
machinejust through the cat5? Or, does the machine need a capture card?

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-22 Thread Bruce Johnson


On Jun 22, 2009, at 11:11 AM, nestamicky wrote:


 I second Bruce on this one, I think a Linux box would do just fine. I
 can't seem to find on their site though who it pulls video into the
 machinejust through the cat5? Or, does the machine need a  
 capture card?

yeah hardware specs call for some sort of video capture, either via a  
PCI or USB device.

Many HD cable boxes have FW out for this purpose, too.

See here http://www.mythtv.org/docs/mythtv-HOWTO-3.html#ss3.1


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

Institutions do not have opinions, merely customs



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Re: Arrrggh! G4 dies from just sitting there?

2009-06-19 Thread Jim Scott


On Jun 19, 2009, at 8:37 AM, Bruce Johnson wrote:



 On Jun 18, 2009, at 1:47 PM, Wallace Adrian D'Alessio wrote:

 If the battery is alive and the machine does not start you might try
 cleaning the battery contacts in the holder. Sometimes just spinning
 the
 battery in place is enough to break through the insulating coating
 whatever
 it's nature.


 And we have a winner!

 IN the spirit of 'What the hell, it can't hurt!' I tried that just
 before yanking the battery out to take with me to RatShack to show the
 geniuses. (They can deal with pictures or Radio Shack part#'s and
 nothing else)

 Spun the battery around a few times, booted like a charm :-)

So much for there not being enough humidity in the Arizona air to  
cause corrosion. :^)

Reminds me of how I revived a 300 GB Seagate Barracuda 7200 3.5 drive  
that wouldn't mount last month. Just before I was about to hit it with  
my last tool, the Sharpie big -maker, I decided to remove the  
circuit board on the bottom. Like many newer drives, there's no cable  
that links to the works inside. Instead, there are rows of springy  
contacts on the drive and a series of matching pads on the board. I  
made everything that was dark-looking in the contact areas nice and  
shiny, screwed the board back onto the drive, plugged the drive into a  
USB port on my iMac with my Newer Tech USB 2.0 Universal Driver  
Adapter (non-paid ad plug for a great tool), and activated Drive  
Genius 2.

Lo and behold, the drive spun up, mounted and proceeded to pass every  
test I could throw at it. Whew, another big-gig drive saved!

Moral of these two stories: clean contacts, clean contacts, clean  
contacts.

-- Jim

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-19 Thread Bruce Johnson


On Jun 19, 2009, at 10:59 AM, Jim Scott wrote:


 Spun the battery around a few times, booted like a charm :-)

 So much for there not being enough humidity in the Arizona air to
 cause corrosion. :^)

Well it IS the beginning of our summer rainy season, humidity is up to  
checks weather station on campus 36% ... Wooh!

That said, this could be a long-term side effect of this particular  
computer's history which includes episodes of 100% humidity. Also 100%  
mud.

http://dbdev2.pharmacy.arizona.edu/flood/index.html

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

Institutions do not have opinions, merely customs



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Re: Arrrggh! G4 dies from just sitting there?

2009-06-19 Thread Jim Scott


On Jun 19, 2009, at 11:23 AM, Bruce Johnson wrote:

 Well it IS the beginning of our summer rainy season, humidity is up to
 checks weather station on campus 36% ... Wooh!

 That said, this could be a long-term side effect of this particular
 computer's history which includes episodes of 100% humidity. Also 100%
 mud.

 http://dbdev2.pharmacy.arizona.edu/flood/index.html

Ah, yes, SwampThing. I was wondering if that was the G4 in question.  
Well, no wonder then. I'm still amazed it works.

Been through a few hurricane-induced torrential downpours in Richmond,  
VA, myself. :^) (Graduate of Douglas S. Freeman H.S., class of '57.)

Back in 2002-03 I got some 550-580 AIO Macs from Lorraine Kerwood at  
MacRenewal in Eugene, OR. About a half-dozen evidently had sat on a  
concrete floor that had been flooded. There was rust and corrosion  
inside up to just above the logic board. I pulled the logic boards,  
scrubbed them down with a stiff plastic brush and lots of isopropyl  
alcohol, rinsed them with hot water, then laid them on the deck to dry  
in the sun. Popped them back in and, fingers crossed, plugged in and  
flipped the power switch on one of them. Then hit the power button.  
Chime! And it lit up and ran just fine ... as did the rest. Those  
little AIOs went into a couple of classrooms in a local elementary  
school where they made hundreds of kids happy for several more years.

Macs are tough critters.

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-19 Thread tortoise



On Jun 18, 2:00 pm, Bruce Johnson john...@pharmacy.arizona.edu
wrote:
 On Jun 18, 2009, at 1:48 PM, Clark Martin wrote:

  I have a client who had a, then, not so old PM8500 stored in a San
  Francisco garage for 6 months.  All the bare metal panels were heavily
  oxidized.  And while the computer did fire up  I don't think it
  worked,
  something had died from the fog.

My 8500 has rust all over the metal case parts but it runs fine, after
I took it apart and put it back together a few times...
Rescued from heading for the dump a year or so back, and restored it.

For a while I had to boot it twice, it would half start and then I hit
the power key again and it would finish the second time.

I didn't start my Beige G3 for a year and it appeared the PCI video
card died, too bad I liked that card. Now I just tried to set the
clock back for the summer and somehow I removed a bunch of jumpers
accidentally, and one seems to be stuck under the motherboard ...
Pulled the drive finally.



 No fog problem in Tucson AZ...no humidity problem, either.

 There's a reason they put this http://tinyurl.com/nzndsy here

 --
 Bruce Johnson

 Wherever you go, there you are B. Banzai,  PhD
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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Len Gerstel


On Jun 18, 2009, at 2:14 PM, Bruce Johnson wrote:


 Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system
 from turning on?

 I took the  G4 offline in January, and set it down for 6 months. This
 morning I went to clean it up and get it going, and plugged it all in
 andnot a damn thing happens when I press the power switch. No
 response at all.

Bangalore accent Please restart your system and we will see what we  
can do. Is it plugged in? Is the UPS plugged in and functioning? Have  
you pushed the power button? I am sorry, but I am unable to help you,  
Please hold for a Level 2 customer service representative./Bangalore  
accent

Yes, on a G4 a completely dead pram can cause a no start up at all. I  
had one in my DA die and when it was very low, CUDA'ing could get it  
to start. But when it went below a certain point (I did not test with  
a multimeter) it was dead, Jim. Needed a new battery and all was fine.

Len


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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Bruce Johnson


On Jun 18, 2009, at 11:42 AM, Len Gerstel wrote:

 Yes, on a G4 a completely dead pram can cause a no start up at all. I
 had one in my DA die and when it was very low, CUDA'ing could get it
 to start. But when it went below a certain point (I did not test with
 a multimeter) it was dead, Jim. Needed a new battery and all was fine.


Mr. BurnsExcellent!/Mr. Burns

Now, I have the choice of running off to Radio Shack ( 1/2 mile  
away), getting the battery and thus missing my delivery,

(based on the Quantum Delivery Services modification of the Heisenberg  
principle: Any departure of the receiver from the delivery point will  
collapse the Delivery Arrival Uncertainty function to that point in  
time. Also the driver will accidentally run over your cat.)

Or waiting for the delivery (which is normally around 5:30 in this  
neighborhood.) and waiting to get the stupid new media computer set up.

(It's a shiny new teevee I'm waiting for...Costco currently has a  
ganga deal on a 40 LCD TV for $500)

-- 
Bruce Johnson

Wherever you go, there you are B. Banzai,  PhD


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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Jim Scott


On Jun 18, 2009, at 11:14 AM, Bruce Johnson wrote:

 Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system
 from turning on?

Yep, however ...

 I took the  G4 offline in January, and set it down for 6 months. This
 morning I went to clean it up and get it going, and plugged it all in
 andnot a damn thing happens when I press the power switch. No
 response at all.

... Sometimes I've found that a perfectly sound, sweet-running Mac  
will go absolutely dead after sitting for a period of weeks or months,  
especially if it's been stored in an unheated room or storage place,  
such as a garage. Every time, the battery still had more than 3  
volts ... but the power supply is a goner. I've taken apart a few and  
could find nothing obviously wrong, other than some tin whiskers.  
Removing as many as I could once or twice, I fergit, revived the PS.  
My theory is that humidity does stuff to the innards of power supplies  
that renders them dead the first time AC juice is poured back into 'em.

Let's hope yours has only a dead PRAM battery. Got another one you can  
swap in?

-- Jim

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Bruce Johnson


On Jun 18, 2009, at 12:53 PM, Jim Scott wrote:

 ... Sometimes I've found that a perfectly sound, sweet-running Mac
 will go absolutely dead after sitting for a period of weeks or months,
 especially if it's been stored in an unheated room or storage place,
 such as a garage.

Nah, this was on the floor of my office in the house, not 15 feet from  
where it had been running for years.

 Every time, the battery still had more than 3
 volts ... but the power supply is a goner. I've taken apart a few and
 could find nothing obviously wrong, other than some tin whiskers.
 Removing as many as I could once or twice, I fergit, revived the PS.
 My theory is that humidity does stuff to the innards of power supplies
 that renders them dead the first time AC juice is poured back into  
 'em.

 Let's hope yours has only a dead PRAM battery. Got another one you can
 swap in?


Ill pick one up later, and I have a couple of boxes in the surplus  
pile at work I can swap parts out of to see what's broken.

GigE's take the same PS as a Sawtooth, I'm pretty sure, right?

-- 
Bruce Johnson

Wherever you go, there you are B. Banzai,  PhD


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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Clark Martin

Bruce Johnson wrote:
 
 On Jun 18, 2009, at 11:42 AM, Len Gerstel wrote:
 
 Yes, on a G4 a completely dead pram can cause a no start up at all. I
 had one in my DA die and when it was very low, CUDA'ing could get it
 to start. But when it went below a certain point (I did not test with
 a multimeter) it was dead, Jim. Needed a new battery and all was fine.

 
 Mr. BurnsExcellent!/Mr. Burns
 
 Now, I have the choice of running off to Radio Shack ( 1/2 mile  
 away), getting the battery and thus missing my delivery,

You are telling me... that THE Bruce Johnson doesn't have a dozen or so 
Macs sitting around that he could pirate a battery from, at least long 
enough to fire it up.

Hm...


Not to mention a cabinet drawer with several 1/2 AA Li batteries.

 
 (based on the Quantum Delivery Services modification of the Heisenberg  
 principle: Any departure of the receiver from the delivery point will  
 collapse the Delivery Arrival Uncertainty function to that point in  
 time. Also the driver will accidentally run over your cat.)

No, he will and will not run over Schroedinger's cat.

 
 Or waiting for the delivery (which is normally around 5:30 in this  
 neighborhood.) and waiting to get the stupid new media computer set up.
 
 (It's a shiny new teevee I'm waiting for...Costco currently has a  
 ganga deal on a 40 LCD TV for $500)
 


-- 
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

I'm a designated driver on the Information Super Highway

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Wallace Adrian D'Alessio
On Thu, Jun 18, 2009 at 2:14 PM, Bruce Johnson john...@pharmacy.arizona.edu
 wrote:


 Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system
 from turning on?



Sometimes one bad electrical contact will stop a machine.  Surprisingly it
does not take much corrosion or crud at all .

If the battery is alive and the machine does not start you might try
cleaning the battery contacts in the holder. Sometimes just spinning the
battery in place is enough to break through the insulating coating whatever
it's nature.

If the machine still does not start try cleaning some more important cable
and power connections.
Is the power switch on the keyboard?  My older Macs have had corrosion
deadened circuits blocking the ADB link after sitting for a while. This gets
multiplied when connected to a KVM setup as mine was.

I have run 604 systems sans battery.

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Clark Martin

Jim Scott wrote:
 
 On Jun 18, 2009, at 11:14 AM, Bruce Johnson wrote:
 
 Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system
 from turning on?
 
 Yep, however ...
 I took the  G4 offline in January, and set it down for 6 months. This
 morning I went to clean it up and get it going, and plugged it all in
 andnot a damn thing happens when I press the power switch. No
 response at all.

 ... Sometimes I've found that a perfectly sound, sweet-running Mac  
 will go absolutely dead after sitting for a period of weeks or months,  
 especially if it's been stored in an unheated room or storage place,  
 such as a garage. Every time, the battery still had more than 3  
 volts ... but the power supply is a goner. I've taken apart a few and  
 could find nothing obviously wrong, other than some tin whiskers.  
 Removing as many as I could once or twice, I fergit, revived the PS.  
 My theory is that humidity does stuff to the innards of power supplies  
 that renders them dead the first time AC juice is poured back into 'em.
 
 Let's hope yours has only a dead PRAM battery. Got another one you can  
 swap in?
 
 -- Jim

I have a client who had a, then, not so old PM8500 stored in a San 
Francisco garage for 6 months.  All the bare metal panels were heavily 
oxidized.  And while the computer did fire up  I don't think it worked, 
something had died from the fog.



-- 
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

I'm a designated driver on the Information Super Highway

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Bruce Johnson


On Jun 18, 2009, at 1:46 PM, Clark Martin wrote:

 You are telling me... that THE Bruce Johnson doesn't have a dozen or  
 so
 Macs sitting around that he could pirate a battery from, at least long
 enough to fire it up.

Nope. She Who Must Be Obeyed starts getting irritated when the supply  
of computers in the house outnumbers the inhabitants by orders of  
magnitude :-)


 Not to mention a cabinet drawer with several 1/2 AA Li batteries.

Yep, last one I had around here went into the trash as dead long ago.  
When I need one I get a new one, normally not an issue, I can easily  
hit Radio Shack or an excellent electronics supply store on my way  
home from work.

-- 
Bruce Johnson

Wherever you go, there you are B. Banzai,  PhD


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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Bruce Johnson


On Jun 18, 2009, at 1:48 PM, Clark Martin wrote:

 I have a client who had a, then, not so old PM8500 stored in a San
 Francisco garage for 6 months.  All the bare metal panels were heavily
 oxidized.  And while the computer did fire up  I don't think it  
 worked,
 something had died from the fog.



No fog problem in Tucson AZ...no humidity problem, either.

There's a reason they put this http://tinyurl.com/nzndsy here

-- 
Bruce Johnson

Wherever you go, there you are B. Banzai,  PhD


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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Jim Scott


On Jun 18, 2009, at 1:48 PM, Clark Martin wrote:

 I have a client who had a, then, not so old PM8500 stored in a San
 Francisco garage for 6 months.  All the bare metal panels were heavily
 oxidized.  And while the computer did fire up  I don't think it  
 worked,
 something had died from the fog.

I'll trade the northern coastal rain forest I live in, Eureka --  
Humboldt County -- CA, for the hot hellhole of AZ (been there, visited  
relatives, done that) anytime. But I do not like what all the humidity  
does to computers, etc. out here on the edge of the Pacific if they're  
not used regularly.

-- Jim

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Ted Treen

Bruce Johnson wrote:
 Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system
 from turning on?


A dead PRAM battery stopped my G4/400 booting, and the same thing 
happened to a G4/867 at work.

IT (PC boys) diagnosed a dead mobo.

He He

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Amanda Ward

Bruce...

On Jun 18, 2009, at 11:14 AM, Bruce Johnson wrote:


 Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system
 from turning on?

 I took the  G4 offline in January, and set it down for 6 months. This
 morning I went to clean it up and get it going, and plugged it all in
 andnot a damn thing happens when I press the power switch. No
 response at all.

 I cannot locate my %...@$@# multimeter right now so I can't test the
 battery, but I pressed the cuda, removed the battery for a while
 pressed the cuda and tried restarting it. Nada. Same if I remove the
 battery.

 I know that low PRAM batteries can prevent booting in at least Beige
 G3's, but I thought they  would all boot if there was no battery at  
 all.

 Anyone have a pinout of the switch cable? I'm wondering if I can
 bypass the switch assembly, take at least ONE thing out of the loop
 for testing, or is this just a dead PS? I've got some units I can  
 part-
 swap for testing, but they're at work, and I'm stuck at home today
 waiting on UPS.

 -- 
 Bruce Johnson

 Wherever you go, there you are B. Banzai,  PhD

You do realize... it isn't Talk like a Pirate Day?

Amanda

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Clark Martin

Bruce Johnson wrote:
 
 On Jun 18, 2009, at 1:48 PM, Clark Martin wrote:
 
 I have a client who had a, then, not so old PM8500 stored in a San
 Francisco garage for 6 months.  All the bare metal panels were heavily
 oxidized.  And while the computer did fire up  I don't think it  
 worked,
 something had died from the fog.
 
 
 
 No fog problem in Tucson AZ...no humidity problem, either.

Oh, I don't know.  When I was in Phoenix it seemed like many people were 
ready to pass out when the humidity was high, you know, around 5%.


-- 
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

I'm a designated driver on the Information Super Highway

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread James E. Therrault

Bruce Johnson wrote:
 
 
 Now, I have the choice of running off to Radio Shack ( 1/2 mile  
 away), getting the battery and thus missing my delivery,
 
 (based on the Quantum Delivery Services modification of the Heisenberg  
 principle: Any departure of the receiver from the delivery point will  
 collapse the Delivery Arrival Uncertainty function to that point in  
 time. Also the driver will accidentally run over your cat.)
 
 Or waiting for the delivery (which is normally around 5:30 in this  
 neighborhood.) and waiting to get the stupid new media computer set up.
 
 (It's a shiny new teevee I'm waiting for...Costco currently has a  
 ganga deal on a 40 LCD TV for $500)
 


Don't expect to git no stinkin' $9 battery from Radio Shack.  I think 
that I had to pony up $14 a few years back when I was trying to revive a 
comotose dual G4 500 Gigabit.

Toss the teevee, it'll only rot your mind, dumb down your kids and 
otherwise cause consternation while yet, your G4 lies in a useless state.

But, you might try a few sharp slaps broadside which often reconnects 
severed connections...

JT


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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread James E. Therrault

Bruce Johnson wrote:


 GigE's take the same PS as a Sawtooth, I'm pretty sure, right?
 


I don't think so. I believe that there's at least one pin out that's 
different.  It's been a few years since I had the dual 500...

JT



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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread John Martz

On Thu, Jun 18, 2009 at 6:20 PM, Ted Treented.tr...@btinternet.com wrote:
 A dead PRAM battery stopped my G4/400 booting, and the same thing
 happened to a G4/867 at work.

 IT (PC boys) diagnosed a dead mobo.

Well, in their defense, they *were* right weren't they? The
motherboard was essentially dead ... until you replaced the battery.

And if you think about it, you both came up with the same solution.
Replacing the motherboard would have merely been their somewhat
indirect approach to replacing the battery ...

Almost any problem can always be solved with enough levels of indirection, no?

-irrational john

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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread insightinmind


On Jun 18, 2009, at 8:27 PM, James E. Therrault wrote:


 Bruce Johnson wrote:


 GigE's take the same PS as a Sawtooth, I'm pretty sure, right?



 I don't think so. I believe that there's at least one pin out that's
 different.  It's been a few years since I had the dual 500...


Might find an answer here:
http://www.welovemacs.com/parts-power.html

Bill Connelly
artsite: http://mysite.verizon.net/moonstoneartstudio
myspace: http://www.myspace.com/moonstoneartstudio




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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Mel


--- On Thu, 6/18/09, Wallace Adrian D'Alessio fluxstrin...@gmail.com wrote:

From: Wallace Adrian D'Alessio fluxstrin...@gmail.com
Subject: Re: Arrrggh! G4 dies from just sitting there?
To: g3-5-list@googlegroups.com
Date: Thursday, June 18, 2009, 1:47 PM



On Thu, Jun 18, 2009 at 2:14 PM, Bruce Johnson john...@pharmacy.arizona.edu 
wrote:




Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system

from turning on?



Sometimes one bad electrical contact will stop a machine.  Surprisingly it does 
not take much corrosion or crud at all .

If the battery is alive and the machine does not start you might try cleaning 
the battery contacts in the holder. Sometimes just spinning the battery in 
place is enough to break through the insulating coating whatever it's nature.



If the machine still does not start try cleaning some more important cable and 
power connections.
Is the power switch on the keyboard?  My older Macs have had corrosion deadened 
circuits blocking the ADB link after sitting for a while. This gets multiplied 
when connected to a KVM setup as mine was.



I have run 604 systems sans battery.

===

I've been using a IIci offline since 1990.  Changed the battery sometime in the 
1990s and again several weeks ago.  For several years, the clock would lose 
about one minute every three days and then about three or four weeks ago the 
clock started to lose over an hour each day.  So I replaced the PRAM battery  
with a  battery that tested at 3.7 no load  volts.  Now it gains about 15 
seconds each day.

The old battery tested at zero volst - no measurable voltage yet the IIci 
booted and ran all functions with that flat battery.  Great machine for what I 
use it for.

Mel







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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread James E. Therrault

insightinmind wrote:
 
 On Jun 18, 2009, at 8:27 PM, James E. Therrault wrote:
 
 
Bruce Johnson wrote:



GigE's take the same PS as a Sawtooth, I'm pretty sure, right?



I don't think so. I believe that there's at least one pin out that's
different.  It's been a few years since I had the dual 500...
 
 
 
 Might find an answer here:
 http://www.welovemacs.com/parts-power.html
 
 



At $269.99 I think not!

You can but a couple of working machines for that price...

JT


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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread insightinmind


On Jun 18, 2009, at 11:54 PM, James E. Therrault wrote:

 insightinmind wrote:

 On Jun 18, 2009, at 8:27 PM, James E. Therrault wrote:

 Bruce Johnson wrote:

 GigE's take the same PS as a Sawtooth, I'm pretty sure, right?

 I don't think so. I believe that there's at least one pin out that's
 different.  It's been a few years since I had the dual 500...

 Might find an answer here:
 http://www.welovemacs.com/parts-power.html

 At $269.99 I think not!

 You can but a couple of working machines for that price...


I know I know ... the price is ridiculous ... the info is free  
though ... that's what I meant by the suggestion.

Bill Connelly
artsite: http://mysite.verizon.net/moonstoneartstudio
myspace: http://www.myspace.com/moonstoneartstudio




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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Nestamicky

On Jun 18, 2009, at 1:23 PM, Bruce Johnson wrote:

 and waiting to get the stupid new media computer set up.

Well THE Bruce care to tell us how he plans to setup a media G4. Some  
of us will ask; what would Bruce do? I have a Sawtooth I could use to  
follow...
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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Dana Collins

On 6/18/09 2:14 PM, Bruce Johnson of john...@pharmacy.arizona.edu sent

 
 Will dead/lack of a PRAM battery keep a Gigabit Ethernet G4 system
 from turning on?
 
 I took the  G4 offline in January, and set it down for 6 months. This
 morning I went to clean it up and get it going, and plugged it all in
 andnot a damn thing happens when I press the power switch. No
 response at all.
 
 I cannot locate my %...@$@# multimeter right now so I can't test the
 battery, but I pressed the cuda, removed the battery for a while
 pressed the cuda and tried restarting it. Nada. Same if I remove the
 battery.

 (end quote)

Hi Bruce,
This happened to me twice, once with a QS and once with a DA (perhaps close
enough in genus to a Gigabit?). In both cases I had no luck doing what you
did (quick-my interpretation-pullout of the battery and CUDA reset), and
did have luck unplugging the PSU from the motherboard, pulling the battery,
resetting the CUDA (long push, 3 seconds), waiting 15 minutes, then plugging
the PSU back into the motherboard. Both instances resulted in firing up.
If that does not work my first suspicion is a leaky capacitor in the PSU.
Best wishes,
Dana



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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Tom

Well, I'm sitting out here in the desert near Albuquerque, in a very
dry place, and I had a 733 DA that wasn't turned on for a couple of
months, and now no matter how I try, it refuses to boot. I've done
everything mentioned by others: battery, PRAM, cuda, everything, and
it's dead as a doornail.

Use 'em or lose 'em, it appears.

Tom
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Re: Arrrggh! G4 dies from just sitting there?

2009-06-18 Thread Jonas Ulrich

I have a blue and white g3/450 and it has a bad pram battery but i
just use it as a music server in the shop. Everytime it gets unplugged
it won't power up. The only way I can get it to turn on is by pressing
pwr button on the mobo. I just kind of blindly reach into the case and
press all the buttons i can until it turns on. Try that. I might of
hit the reset button first... not sure.

-Jonas

On Thu, Jun 18, 2009 at 10:20 PM, Tomtba...@nmia.com wrote:

 Well, I'm sitting out here in the desert near Albuquerque, in a very
 dry place, and I had a 733 DA that wasn't turned on for a couple of
 months, and now no matter how I try, it refuses to boot. I've done
 everything mentioned by others: battery, PRAM, cuda, everything, and
 it's dead as a doornail.

 Use 'em or lose 'em, it appears.

 Tom
 


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