Intel GA-8I955X ROYAL - Manual (Page 27)

Hardware Installation - 27 -
English
18) RF_ID
This connector allows you to connect external devices to use extra function. Check the pin
assignments before you connect the external device cable. Please contact your nearest
dealer for the optional GIGABYTE external device.
1
Pin No. Definition
1 Power
2 RFID_RI-
3 RF_TXD
4 RF_RXD
5 NC
6 GND
19) CI (Chassis Intrusion, Case Open)
This 2-pin connector allows your system to detect if the chassis cover is removed. You can
check the "Case Open" status in BIOS Setup.
Pin No. Definition
1 Signal
2 GND
1