686040 001 Board For HP Elitebook 8470p 8470W Laptop Intel DDR3 Motherboard With QM77 Chipset And With UMA Graphics Memory From Dzp1988821, $88.45 | DHgate.Com
For HP Elitebook 8460P 6050A2398501 642754-001 HM67 216-0809024 DDR3 Notebook motherboard Mainboard full test 100% work - AliExpress
Locate the RTC battery - HP Support Community - 8166552