Date and Time wrong after battery went flat, messing up whole system

Hi all.
I had my iBook running free, no ac adapter connected.
This normally isn't a problem at all, if my iBook runs out of juice, it'll happilly sleep for hours. So I came back to use it again after an hour or so, expecting it to be asleep to find that it had totally powere down. The battery was out. I connected the ac adapter and booted.
Once OSX loaded, it told me the date was set to before march 2001, and would cause problems. Whaich was very accurate, I got BIG problems. The date has set to 1970, which would indicate the PMU was wiped/reset.
Normally I'd open system prefs and fix the date and time, but it won't load. OSX is running VERY slowly. Nothing works. No dock, finder is totally unresponsive, everything takes an age to load (if it even loads). I tried changing the date and time from terminal, but it wouldn't allow me, even though I'm logged in as the admin. Something odd I noticed in terminal was that the computer name seems to have changed. The iBook was Liam's-computer, my new core duo iMac became Liam's-computer-2, but terminal is now reporting the iBook as Liam's-computer-3.
Basically the whole thing is messed up, seemingly because of the stupid date time thing. Can I change the date and time in the Open Firmware?

Sounds like you may need your CMOS battery replaced. It should not be a problem after you replace it.
Also, if you want to prolong your battery life, just detach it during computer use (use AC only). Then while it is turned off I would actually plug it back in so your computer is never without a power source for an extended period of time.
There are many studies suggested that battery life will start decaying after 2-3 years regardless what method you use. I actually recommend making the most use out of it. Hope it helps.

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My Macbook only shuts down when the battery goes flat.
When I switch it back on everything seems to be fine though the date and time are incorrect. Seems to go to default date which is 2008.
Other things seem to affect my browser, Facebook won't login properly and certain websites seem to propmt that the website can't be trusted, which is strange because gmail is one of them and should be fine.
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Sean Huck wrote:
Interesting. Can you tell me why a simple editor like iMovie can do this but Final Cut can't? I'm curious...it seems simple enough.
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bogiesan

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How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
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Hi,
In the Initial screen, please remove the tick for Display Header. It will not give any header details after execution. If you want to remove only date, you just check with your ABAPer, he can help by changing in program.
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Date and Time wrong after battery went flat, messing up whole system

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