reclock

re- +‎ clock

reclock (third-person singular simple present reclocks, present participle reclocking, simple past and past participle reclocked)

1. (transitive, computing) To modify the clock speed of.
   • 1999, PC Mag (volume 18, number 6, 23 March 1999, page 87)

     And what's the big deal if people reclock their chips? “It gives us a bad reputation when a reclocked system fails!” says Intel.

• downclock
• upclock

• clocker, cockler