Re: renewed book

2002-12-07 Thread Rick McCutcheon
My wife and I had ours done at the same time (both 1400s), no charge for
the installation.  I had consulted a couple of more experienced people on
the list and read the manual carefully.  I think that I could probably do
it, although a *bit* of age has made my hands a *bit* less steady.  But
given the reasonable cost for the new batteries, and very nice apple guy we
decided to go with letting him take responsibility for this job.  We have
access to a university computer shop through my wife, hence the free
installation -- sorry to those who don't.  And I expect not all
universities offer the service.  Here you need either a staff or student ID
from this University to have access to the service, which includes the
products.

Just to repeat, both these machines are running significantly more smoothly
as a result.  Perhaps the end of the story is to encourage folks to look
around locally -- I find that I can tell pretty quick if a tech person
really likes mac and the concept behind their original design, or whether
it is *just* a job.  It seems to make a difference, although I am sure
there are those who do it as a job that do top-notch work at a reasonable
price.  A part of my reason for staying with macs for the course is on
principle, so I like to know that the people I work with understand that
reason -- as I am sure many people on this list do

Cheers,
Rick


Just out of curiosity, what did the tech charge for the installation?

I've replaced them in both of my 1400s and I know it's a little work to
get at,
(at the front of the lower case by the touch pad) as the plug is very tiny and
the wires wrap under and through metal pieces. It is not a job for the
faint of
heart nor the mechanically challenged, as there are lots of parts packed
in the
1400 case. Working with tweezers and a lighted magnifier are almost a
must. (at
least for my old eyes and fat fingers)

Some people have just replaced the batteries, which requires some soldering,
but the entire plug-in battery module is well worth the extra money. I found a
wire frayed from rubbing on the metal framing on one of the old modules. I'm
not sure what would happen if it were to ground out the battery, but it
couldn't be good.

David Allen

tyler3rd wrote:

 On Mon, 2 Dec 2002, Rick wrote:

 Just a quick note to say that I finally had new pram/backup batteries
 installed into my 1400 by a service technician last week.  Of all the
 things I've done, this has to be the smartest.  Many little inconsistent
 quirks have disappeared.  I say this to encourage those who use 1400s which
 haven't had the batteries replaced to consider it if you have any question
 in your mind at all about whether to do it.  It's just my experience --
 others may feel differently.



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Re: renewed book

2002-12-07 Thread Andrew Kershaw
Just to repeat, both these machines are running significantly more smoothly
as a result.

I'm just curious - what role does the PRAM battery actually play once 
the computer is RUNNING?

I always thought that all the PRAM battery did is supply voltage to 
keep the PRAM and NVRAM from resetting when you turn off the power 
(keeps the RTC running, etc - when are they going to make one of 
these things accurate anyway?!), and that it helps keep the engine 
warm so to speak, so that there's enough voltage in the circuits to 
activate all the hardware when you push the power button.  Once power 
is running through the power supply, the PSU provides all the 
necessary voltage to keep things going.

Some macs can run without PRAM batteries.  You can pull them out and 
they still boot and run (albeit, they tend to forget where and when 
they are, but they run just fine).  The x100 series, though, needs a 
PRAM to provide voltage for the video circuitry to come on when you 
turn on the computer - a dead PRAM battery is almost always indicated 
when you turn on the computer and the display fails to light up.  But 
a 9500 I used for a while had no PRAM battery at all - it was dead so 
I pulled it.  Same with a PowerTower Pro that I own.  I used that 
machine for the better part of a year with nothing in the PRAM 
battery spot.

Not to rain on your parade, but I'm skeptical of your PowerBook being 
more stable because you replaced your battery - it's probably just a 
coincidence.  Or maybe when you replaced the battery, you pushed the 
RAM in more firmly or something...

Still, the 1400 is a breed apart, so who knows.

I am genuinely interested to hear from an expert, though, about what 
role the battery plays while a Mac is actually running.

Peace,
Drew
-- 

http://homepage.mac.com/alk/
There are of course many problems connected with life, of which some 
of the most popular are `Why are people born?' `Why do they die?' 
`Why do they spend so much of the intervening time wearing digital 
watches?' -- Douglas Adams' The Hitchhiker's Guide to the Galaxy.

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Re: renewed book

2002-12-07 Thread Rick McCutcheon
Your not raining on my parade, or anyone else's -- or at least I don't
think you are :-)  I'm just telling you my experience.  I would welcome the
experts views, too.  If it's because the box was taken apart and tightened
up so everything inside connects better, hence works better, well, that's
possible.  However, this isn't the first time I've seen postings on the
list mentioning better, more reliable operations after a PRAM battery
replacement.  I too thought that it played a much more minor role --
holding the charge during swaps, etc., which is why I put off doing it.
this has always been a stable computer, but now it is even better.  SO
maybe the advice is to take it apart, clean everything, replace any worn
parts, and put it back together and it will work better.  That too makes
sense, because almost anything, from cars to computers, work better when
well maintained and worn parts are replaced before they break.  So let's
hear what other have to say.  It's an interesting question.



I am genuinely interested to hear from an expert, though, about what
role the battery plays while a Mac is actually running.




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Re: renewed book

2002-12-05 Thread tyler3rd
On Mon, 2 Dec 2002, Rick wrote:

Just a quick note to say that I finally had new pram/backup batteries
installed into my 1400 by a service technician last week.  Of all the
things I've done, this has to be the smartest.  Many little inconsistent
quirks have disappeared.  I say this to encourage those who use 1400s which
haven't had the batteries replaced to consider it if you have any question
in your mind at all about whether to do it.  It's just my experience --
others may feel differently.

I'd like to second Rick's observation.  I replaced the obviously dodgy 
PRAM battery (probably to be expected as it was the original, 8 year old 
battery) in my PowerBook 540c recently, and have not seen the return of 
many otherwise inexplicable freezes and bombs that I had been getting.  
Since I did the procedure myself, I was out only the cost of the new 
battery itself, and, as such, this was the most cost-effective thing that 
I've done to my 'Book.

Just my two cents, y'all.

Tyler Williams

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Re: renewed book

2002-12-05 Thread David Allen
Just out of curiosity, what did the tech charge for the installation?

I've replaced them in both of my 1400s and I know it's a little work to get at,
(at the front of the lower case by the touch pad) as the plug is very tiny and
the wires wrap under and through metal pieces. It is not a job for the faint of
heart nor the mechanically challenged, as there are lots of parts packed in the
1400 case. Working with tweezers and a lighted magnifier are almost a must. (at
least for my old eyes and fat fingers)

Some people have just replaced the batteries, which requires some soldering,
but the entire plug-in battery module is well worth the extra money. I found a
wire frayed from rubbing on the metal framing on one of the old modules. I'm
not sure what would happen if it were to ground out the battery, but it
couldn't be good.

David Allen

tyler3rd wrote:

 On Mon, 2 Dec 2002, Rick wrote:

 Just a quick note to say that I finally had new pram/backup batteries
 installed into my 1400 by a service technician last week.  Of all the
 things I've done, this has to be the smartest.  Many little inconsistent
 quirks have disappeared.  I say this to encourage those who use 1400s which
 haven't had the batteries replaced to consider it if you have any question
 in your mind at all about whether to do it.  It's just my experience --
 others may feel differently.



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renewed book

2002-12-02 Thread Rick McCutcheon
Just a quick note to say that I finally had new pram/backup batteries
installed into my 1400 by a service technician last week.  Of all the
things I've done, this has to be the smartest.  Many little inconsistent
quirks have disappeared.  I say this to encourage those who use 1400s which
haven't had the batteries replaced to consider it if you have any question
in your mind at all about whether to do it.  It's just my experience --
others may feel differently.

Cheers,
Rick



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