At 14:53 -0600 on 07/07/01, William Hatchell wrote:
>I just replaced PRAM batteries in a couple of my old Macs and in doing so
>resolved all of my startup issues! I need now to ask a "stupid" question:
>how many sizes and types of PRAM batteries are there for older (68K) Macs?
>Are they all the standard 1/2AA 3.6v type I just bought at Radio Shack?
>Thanks.
There are three as far as desktops are concerned.
1 is the Rayovac 840, used in 68040 Macs and some 603-based PPCs. This one
is expensive as **** unless you get 'em from Mike Ford. What a lot of
people do is find a three-cell AA holder and use the wiring harness from a
dead Rayovac 840 to hook it up, giving them a $1.50 alkaline solution.
2 is the common 3.6V 1/2AA lithium battery, which was used in every other
Mac except...
3 is the 4.5V AA-size battery; I think it's a Rayovac 872. It was used
only in the Plus and earlier.
Laptops are a different story entirely.
p
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