Do you mean
This webcam requires 1 GHz but my system is 890 MHz.
If so, I don't think you will get your camera working on that PC - its simply too slow to cope with the data generated by the webcam.
Samsung Galaxy S8 review
1995-2015: How technology has changed the world in 20 years
What’s happening in VR right now: From psychedelic art to combat therapy
Siri not working? Try these troubleshooting fixes
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.