Gigabyte B550M H [18/41] Com serial port header

17) CLR_CMOS (Clear CMOS Jumper)

Use this jumper to clear the BIOS conguration and reset the CMOS values to factory defaults. To clear

the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.

• Always turn off your computer before clearing the CMOS values.

• After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or

manually congure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS congurations).

Open: Normal

Short: Clear CMOS Values

16) TPM (Trusted Platform Module Header)

3

LAD1

9

4

No Pin

5

LAD2

6

LCLK

15) COM (Serial Port Header)

The COM header can provide one serial port via an optional COM port cable. For purchasing the optional

5 GND 10 No Pin

11

12