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Vintage Computers Any vintage computer systems, calculators, video games etc., but with an emphasis on 1980s and earlier equipment.

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Old 30th Oct 2019, 8:43 pm   #1
ribbonmicsrus
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Default Toshiba 4000CDT Batteries

I apologise if this is not vintage enough, but trying to find out details of the two small batteries connected to the motherboard. I know one is for the CMOS Clock backup (3V), but the other appears to have 6 small cells, is this Bios back up? and what is its correct voltage, I cannot find any details on the web.
Any Toshiba guys n gals out there?
Andy
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Old 31st Oct 2019, 12:26 am   #2
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Default Re: Toshiba 4000CDT Batteries

With a bit of cleaning due to corrosion on the 6 cell pack, it appears to be made of a Varta 15H NI-MH, these appear to be like hens teeth unless anyone knows an equivalent or a source of supply. Is this the Bios back up battery or clock?
Andy
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Old 31st Oct 2019, 12:44 pm   #3
AC/HL
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Default Re: Toshiba 4000CDT Batteries

Do these look right?
https://www.ebay.co.uk/sch/i.html?_o...Fv15h&_sacat=0
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Old 31st Oct 2019, 1:18 pm   #4
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Default Re: Toshiba 4000CDT Batteries

Bill
You are a hero, how I missed these I do not know.
Many thanks
Andy

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