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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: EdKing on August 12, 2004, 06:02:38 PM

Title: Amiga 2000 battery ?
Post by: EdKing on August 12, 2004, 06:02:38 PM
Will an Amiga 2000 work without the battery on the motherboard ? Does any one know what the Tick signal (Pin 14 on the Powersupply connecter) should be ?
Title: Re: Amiga 2000 battery ?
Post by: Ilwrath on August 12, 2004, 06:46:56 PM
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Will an Amiga 2000 work without the battery on the motherboard ?


Yes.  The only thing you lose is the battery backup feature of the real-time clock (RTC).  (Each time you boot the Amiga it'll think it's 1978 until you set the clock by some means.)

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Does any one know what the Tick signal (Pin 14 on the Powersupply connecter) should be ?


Don't know.  I think it might depend on the region...  I never understood the power supply well enough to tinker with it much.  ;-)  I did find this link in google's cache, though.
GoogleCache link (http://64.233.167.104/search?q=cache:JydGa48-9igJ:www4.ncsu.edu/~hgm/amiga/ps4amiga.txt)
Title: Re: Amiga 2000 battery ?
Post by: FastRobPlus on August 12, 2004, 06:50:47 PM
The battery on an Amiga powers the date and time clock, not the system's timing, so you can run an Amiga without a battery (as many Amiga 500 owners can attest!)

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EDIT
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D'oh!  Beaten to the reply!
Title: Re: Amiga 2000 battery ?
Post by: T3000 on August 12, 2004, 07:07:46 PM
A special note for A3000 users: The RTC has a small amount of memory also backed up by the battery which is used to store settings for the motherboard SCSI controller.



Title: Re: Amiga 2000 battery ?
Post by: FastRobPlus on August 12, 2004, 07:16:26 PM
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A special note for A3000 users: The RTC has a small amount of memory also backed up by the battery which is used to store settings for the motherboard SCSI controller.
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I wonder if that's why my Amiga 3000's floptical drive stopped being recognized?
Title: Re: Amiga 2000 battery ?
Post by: Orjan on August 12, 2004, 07:20:54 PM

When I changed the battery on my A3000, I had it "unpowered" for several days, and when I soldered on the new battery and turned the machine on, everything worked like a charm...
Title: Re: Amiga 2000 battery ?
Post by: EdKing on August 12, 2004, 07:25:40 PM
Thanks for the info, I bought a MotherBoard, it didn't have the battery. It does not work, I thought maybe it needed the battery. I was also checking my power supply, every thing looked good, but I wasn't positive about the Tick signal. It from the link, it looks like it is a 60hz (In USA anyway) signal for timing.

Ed King