Technical Reference
39
2.2.3.2
Internal Common IO Header (1.25 mm Pitch)
Figure 10 is a connection diagram for internal Common IO header.
NOTE
•
The +5 V DC power on the USB header is fused.
•
Use only an internal USB connector that conforms to the USB 2.0 specification for high-speed
USB devices.
Figure 10. Connection Diagram for the Internal
IO Common Header (1.25 mm Pitch)
NOTE
Pin number 13 on the connector is an output. The PCH asserts RST_N (out) to reset devices
attached to front panel header. Asserted during power-up and when software initiates a hard
reset.
NOTE
Connector is Entry part number 3950K-J20C-00L, 1.25 mm pitch header, surface mount, vertical.
2.2.3.2.1
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.
For information about
Refer to
HDMI CEC technology
http://www.hdmi.org/pdf/whitepaper/DesigningCECintoYourNextH
DMIProduct.pdf
