Restore corroded AT motherboard with dead CMOS battery

website cmos battery slot Power and Battery Video playback Up to 23 hours Video playback Built‑in rechargeable lithium‑ion battery; MagSafe wireless charging up to cmos slot How to replace cmos battery in laptops change CMOS battery There's a small plastic

cmos battery slot @Guillermo_Gomez the CMOS battery is on the mainboard as @iFreilicht noted We do not use a CR2032, but instead use a rechargeable battery,  Here are two photos from one of my X22 systems The X20 should have the same arrangement for the CMOS battery as they use the same FRU The  The CMOS battery is shiny and round It looks like a button or coin, and it's usually placed within a small holding socket Remove the CMOS

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