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.
Initiate the bootstrap sequence. The first thing the BIOS does is check the information stored in a tiny (64 bytes) amount of RAM located on a complementary metal oxide semiconductor (CMOS) chip. The CMOS Setup provides detailed information particular to your system and can be altered as your system changes.