Building a 1995 Gaming PC Pt. 2: RIP RTC | Smug and Play
Reworking the DS1287 / DS1387 RTC chip
Fixing a Flat Dallas DS1287 Real Time Clock Chip
Amazon.com: Technical Precision Replacement for OEC 9800 CMOS Battery : Health & Household
Tutorial: RTC replacement on older motherboards 8086 to 486 - BetaArchive
foone🏳️⚧️ on X: "Unfortunately... I can't boot it. The problem is the dead CMOS battery. Because this uses a Dallas DS12887A to store the CMOS settings, and it's dead. So I can