User manual

Technical Reference
53
2.2.4.8 Consumer Electronics Control (CEC) Header
The Consumer Electronics Control (CEC) is a 500 Mb/s bi-directional serial bus designed to be
used for controlling multiple HDMI devices with a single remote control. Table 17 shows the
pinout for this header.
For information about
Refer to
HDMI CEC technology
http://www.hdmi.org/pdf/whitepaper/DesigningCECintoYourNextH
DMIProduct.pdf
2.3 BIOS Security Jumper
CAUTION
Do not move a jumper with the power on. Always turn off the power and unplug the power cord
from the computer before changing a jumper setting. Otherwise, the board could be damaged.
Figure 16 shows the location of the BIOS Security Jumper. The 3-pin jumper determines the BIOS
Security program’s mode.
Table 20 describes the jumper settings for the three modes: normal, lockdown, and configuration.
Figure 16. Location of the BIOS Security Jumper