Subj : Re: Clock Battery No boot
To   : Dennisk
From : Gamgee
Date : Wed Jun 17 2020 14:07:00

-=> Dennisk wrote to paulie420 <=-

 De> I have a 486 motherboard that won't start at all (thought it well
 De> beep if there is no RAM installed).  No video.  I've been told
 De> that perhaps its something as simple as the battery, which may be
 De> the case as I've tried changing the RAM, CPU, etc.

 De> I take it though, that the board won't start up until a new
 De> battery is put in place?  Or is removing the dead battery enough
 De> to get it started?

It will likely need a new battery installed.  That generation of 
mainboard may have the very common (back then) Real Time Clock and 
battery combo, often the Dallas DS1287 or DS12887.  Can be a real 
pain to desolder / resolder, but I've done it successfully.

You can get them on eBay, here:
https://www.ebay.com/sch/i.html?_trksid=p2050601.m570.l1313.TR0.TRC0.Xds12887a&_nkw=ds12887a&_sacat=0&_from=R40



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