Definition of trim for English Language Learners. : 1  to cut (something) off something else : to remove (something) by cutting. : 2  to make (something) neat by cutting it. : 3  to make the size, amount, or extent of (something) smaller.
Check with your system vendor for the appropriate keystrokes or to see if you need to run a program from MS-DOS or Windows to configure your system. Because the settings you make in the BIOS setup program are stored in the nonvolatile RAM of the CMOS chip, the settings are often called CMOS settings. In the following section, we will review the typical setup process, looking at each screen of a typical Pentium-class system.
There is still a backup battery involved, but its role is not to maintain the data stored in the RAM, only to keep the RTC chip operational. Evolution of the motherboard. BIOS â What motherboard BIOS does for a PC. CMOS â complementary metal oxide silicon â RAM chips on motherboards.