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Post by MIK on Jul 3, 2016 10:17:19 GMT
I'm no electrician but have come across this battery power loss on something else and that ended up being related to a Zener Diode failing...
If you know what your looking at, have a look for a Zener Diode some where on the board and check that. These allow power to flow in 2 directions and why the backup ram can run off mains power as well as batteries. When these fail the batteries end up trying to power the machine instead, battery power is now going down the mains line and why you can get a drain.
That's all I remember any way.
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Post by MIK on Jul 3, 2016 10:30:25 GMT
For the Saturn no, but the Dreamcast came with a rechargeable battery. Still loses the date/time after a spell of not using it though, at least for me. Dreamcast, yeah that's the same for everyone. A brand new Dreamcast or one that has seen little use will see the internal clock battery last no longer than 2 weeks, that's with no mains power feeding the machine. Anything less than 2 weeks is down to the amount the battery has been recharged during it's life time. That's way better than Classic XBOX as that one only lasted 2 hours, (when new) with no power going into the machine.
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