417516-001 | HP System Board (MotherBoard) for NX7400 GMA-950 Includes Real Time Clock (RTC) Battery Notebook PC (Refurbished)
Computer RTC section Explained!!! - YouTube
RTCModH1x0 < Main < Wiki
Replaced the Dallas 12887 RTC on this ASUS P/I-P55T2P4. Now it doesn't POST with dual voltage (2.8 vcore) CPUs such as MMX 166 and 233. 3.3v P133 and P200 CPUs still work.
Are there different types of CMOS batteries? - Quora
How To Repair | Laptop Repair | Laptop Circuit | Real Time Clock | Laptop Motherboard - YouTube
Desktop Motherboard RTC Crystal Problem Repair | Restart Problem | Crystal Display Problem | PC Hang - YouTube
Interesting Motherboard Repair That You Should Not Miss | Electronics Repair And Technology News
LENOVO MotherBoard For Ideapad 300-14ISK NOK I5-6200U UMA 5B20K38190 RTC | eBay
Locate the RTC battery - HP Support Community - 8166552
Amazon.com: BZBYCZH CMOS RTC Battery Compatible for Asus G550JK CMOS BIOS RTC Battery : Health & Household