Best place to buy a Dallas DS12887A? - Page 2 - Atari-Forum
Tutorial: RTC replacement on older motherboards 8086 to 486 - BetaArchive
Fixing a Flat Dallas DS1287 Real Time Clock Chip
DS12887A MAXIM/DALLAS Real Time Clock | Veswin Electronics Limited
foone on Twitter: "And you can mod an existing DS1287/DS12887 to have an external battery. It's just scary and requires a dremel or xacto knife. https://t.co/wk8JgntzNC https://t.co/TAuEweqmML" / Twitter
DS12887A DS12887+ DALLAS Real Time Clock RAM 114Byte | eBay