User Manual
Table Of Contents
Technical Reference
25
4.1.2 Common IO Header
This section describes the functions of the common IO header.
Table 12 lists the signal names of the common IO header. Figure 6. is a connection diagram for
the common IO header.
Table 12. Common IO Header (1.25 mm Pitch)
Pin
Description
Pin
Description
1
USB_VBUS
2
GND
3
USB1_N
4
USB2_P
5
USB1_P
6
USB2_N
7 GND 8 USB_VBUS
9
HDD_LED_P
10
PWR_LED_P
11
HDD_LED_N
12
PWR_LED_N
13
RST_N
14
PWR_BTN_N
15
GND
16
CEC
17
5V_STBY
18
VCC5
19 RSVD 20 GND
Figure 6. Common IO Header (1.25 mm Pitch)
4.1.3 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 system could be damaged.