real-time clock - Wikidata
Electronic Components & Semiconductors DALLAS DS12887A DS12887 Real Time Clock 114Byte RAM Semiconductors & Actives
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21-39125-01 DS12887 & DS12887A Dallas Semiconductor (aka Maxim) Clock Battery for Alphaserver
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GW-12887-1 DS12887 RTC Replacement Module from The Glitch Works on Tindie
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DS 12887 A: RTC, DIL-24 at reichelt elektronik
Keep An Old Real Time Clock Module Ticking | Hackaday
Motherboard RTC- replace empty battery
Umrüstung einer Dallas RTC auf externe Batterie
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Tutorial: RTC replacement on older motherboards 8086 to 486 - BetaArchive
Dallas Semiconductor DS12887A Clock Chip w/ Battery, MK48T87AB, OEC12C887A
Dallas clock DS12887A Battery Fix - YouTube
Reworking the DS1287 / DS1387 RTC chip
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Fixing a Flat Dallas DS1287 Real Time Clock Chip
