on 9/11/00 4:24 AM, Walter J. Ferstl at walter.j.ferstl@netway.at wrote:
>> Date: Thu, 7 Sep 2000 12:10:07 EDT
>> From: Tap2frog@aol.com
>> To: newtontalk@planetnewton.com
>> Subject: Re: Re: NTLK NCU problem on PB160.
>>
>>> I would suspect that if the machine won't start from AC mains then the PRAM
>>> battery may be dead. User replaceable if you are daring. See an Apple
>>> technician. Batteries are USD $25-30 here in the states.
>> That if you're lucky otherwise it could be the power manager (it usually
>> is) the first thing you should try is to zap the Pram and the Power
>> manager I believe on the 160 all you do is plug in the PB and hold the
>> reset button (in the back) for about 45sec to 1 min. than try and start
>> it up,if that doesnt work have the internal (PRAM)battery replaced (or do
>> it yourself).
>
> Hello Arild and LF,
>
> in the Apple Specs for the PB 160
>
> http://support.info.apple.com/info.apple.com/applespec/applespec.taf?RID=29
>
> there is no specific PRAM battery (like the 3.6 V Lithiums used in DT Macs
> or the 4.5 V Raytheon "velcro style" Alkalines in Performas) mentioned at
> all.
>
> So possibly all the PRAM data buffering is provided by the rechargable main
> battery (any PowerBook specialists here?)
Walter is correct, I erred in my original post, there is no PRAM battery
that is user replaceable. Probably uses a capacitor like the MP2K series or
has one soldered on. Try resetting the Power Manager with the paperclip
trick mentioned in another post. If that doesn't work find someone competent
to deal with it.
Jim Johnston
Teacher
Mac Smacker
Newton User
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