![Desktop Motherboard RTC Crystal Problem Repair | Restart Problem | Crystal Display Problem | PC Hang - YouTube Desktop Motherboard RTC Crystal Problem Repair | Restart Problem | Crystal Display Problem | PC Hang - YouTube](https://i.ytimg.com/vi/j_w7tbyKyI4/maxresdefault.jpg)
Desktop Motherboard RTC Crystal Problem Repair | Restart Problem | Crystal Display Problem | PC Hang - YouTube
![Amazon.com: DBTLAP CMOS RTC Battery Compatible for HP G7000 Series 454947-001 CMOS BIOS RTC Battery : Electronics Amazon.com: DBTLAP CMOS RTC Battery Compatible for HP G7000 Series 454947-001 CMOS BIOS RTC Battery : Electronics](https://m.media-amazon.com/images/I/5112uhEUxaL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DBTLAP CMOS RTC Battery Compatible for HP G7000 Series 454947-001 CMOS BIOS RTC Battery : Electronics
![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. 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.](https://preview.redd.it/replaced-the-dallas-12887-rtc-on-this-asus-p-i-p55t2p4-now-v0-8dtsm9i4h0l81.jpg?auto=webp&s=27e1d202111fdc427f4172b0c0d202d50595968c)
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.
![417516-001 | HP System Board (MotherBoard) for NX7400 GMA-950 Includes Real Time Clock (RTC) Battery Notebook PC (Refurbished) 417516-001 | HP System Board (MotherBoard) for NX7400 GMA-950 Includes Real Time Clock (RTC) Battery Notebook PC (Refurbished)](https://cdn11.bigcommerce.com/s-2ktyxsrgtc/images/stencil/1280x1280/products/31032/36827/laptop_20motherboard__55291.1511990538.jpg?c=2)
417516-001 | HP System Board (MotherBoard) for NX7400 GMA-950 Includes Real Time Clock (RTC) Battery Notebook PC (Refurbished)
![So I tried fixing the Dallas ds12887a RTC on my aOpen ap53 motherboard. It didn't go over so well... : r/retrocomputing So I tried fixing the Dallas ds12887a RTC on my aOpen ap53 motherboard. It didn't go over so well... : r/retrocomputing](https://preview.redd.it/6mibmz6atk081.jpg?width=640&crop=smart&auto=webp&s=1972a282a3d324480d0f3516a65fd76e16b35a3d)
So I tried fixing the Dallas ds12887a RTC on my aOpen ap53 motherboard. It didn't go over so well... : r/retrocomputing
![Cracked the top off and replaced the battery in an old RTC/CMOS module to revive an old motherboard. : r/techsupportmacgyver Cracked the top off and replaced the battery in an old RTC/CMOS module to revive an old motherboard. : r/techsupportmacgyver](https://i.redd.it/0hzcsow5h9g61.jpg)
Cracked the top off and replaced the battery in an old RTC/CMOS module to revive an old motherboard. : r/techsupportmacgyver
![Amazon.com: BZBYCZH CMOS RTC Battery Compatible for Asus G550JK CMOS BIOS RTC Battery : Health & Household Amazon.com: BZBYCZH CMOS RTC Battery Compatible for Asus G550JK CMOS BIOS RTC Battery : Health & Household](https://m.media-amazon.com/images/I/61kr5hd2Q5L.jpg)