A RAM copy of a PC's ROM BIOS. In order to improve performance, the BIOS, which is stored in a ROM chip, is copied to and executed from RAM. RAM chips are accessed faster than ROMs.
"shadow RAM." YourDictionary, n.d. Web. 27 May 2018. <http://www.yourdictionary.com/shadow-ram>.
shadow RAM. (n.d.). Retrieved May 27th, 2018, from http://www.yourdictionary.com/shadow-ram