MCUmall EPROM BIOS Chip Burner Forum
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 ST M48T86 Real Clock battery - please help

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F-bone Posted - 11/27/2015 : 00:29:45
Hi guys,

I got an old computer from a press which needs a new programmable battery since it gives an error message about CMOS. I need to replace the old one but must also transfer its program.

IC: ST M48T86

Can this be done with GQ-4x?

BR,
George
9   L A T E S T    R E P L I E S    (Newest First)
anniel Posted - 02/09/2016 : 07:22:28
You would need to look at the datasheet.
F-bone Posted - 02/09/2016 : 06:38:57
quote:
Originally posted by anniel

The chip retains the data until the battery is dead. You can copy a chip or back it up as any other chip.



using what setting with gq-4x???
anniel Posted - 02/08/2016 : 07:56:38
The chip retains the data until the battery is dead. You can copy a chip or back it up as any other chip.
F-bone Posted - 02/08/2016 : 07:29:38
quote:
Originally posted by anniel

You are lucky no critical data like calibrations was lost with the dead battery.



if that was the case we would need a donor board to read the chip that was still operational. but how would we do that? I think we did not clarify this part :)
anniel Posted - 02/08/2016 : 04:46:47
You are lucky no critical data like calibrations was lost with the dead battery.
F-bone Posted - 02/08/2016 : 03:32:43
quote:
Originally posted by anniel

Keep us informed.



forgot to do so..

We replaced the chip and problem solved :)
anniel Posted - 12/02/2015 : 05:31:03
Keep us informed.
F-bone Posted - 11/29/2015 : 23:21:29
quote:
Originally posted by anniel

This is an equivalent of the DS12887. If the internal battery is dead you lost the data that was in the NVRAM. You need to find a copy of the binary file.



thank you, I will look into this further.
anniel Posted - 11/27/2015 : 13:51:18
This is an equivalent of the DS12887. If the internal battery is dead you lost the data that was in the NVRAM. You need to find a copy of the binary file.

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