At 2:04 PM -0600 12/20/05, Wade Tinney wrote:
[EMAIL PROTECTED] (Richard Starr) wrote:
If you have a voltmeter, the battery should measure about 3. 6 volts , if I
remember correctly. Replace it if it doesn't. If you are not
sure, replace it
anyway just to make sure.
I have seen this piece of misinformation so many times...
To check a battery you must check the AMPERAGE, not the voltage. A
battery tester is needed for this. Some multimeters include one.
Checking the voltage of a battery is like checking the temperature
of the water coming out of your faucet: A thermometer will tell you
how hot the water is, but won't tell you how much pressure you have.
In general this is true but for this application measuring the
voltage is sufficient. This is because of both the battery
characteristics and the very low load current that the PRAM and clock
draw from it.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
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