User Manual
Table Of Contents
- Notices
- Safety information
- Chapter 1
- Chapter 3
- BIOS setup
- 3.1 BIOS setup program
- 3.2 Main menu
- 3.3 Advanced menu
- 3.3.1 PCH-FW Configuration
- 3.3.2 Trusted Computing
- 3.3.3 CPU Configuration
- 3.3.4 Graphics Configuration
- 3.3.5 PCI Express Configuration
- 3.3.6 CSM Configuration
- 3.3.7 Super IO Configuration
- 3.3.8 Serial Console Configuration
- 3.3.9 SATA Configuration
- 3.3.10 USB Configuration
- 3.3.11 Onboard Devices Configuration
- 3.3.12 APM Configuration
- 3.3.13 EzFlash
- 3.3.14 Watchdog Timer
- 3.3.15 Network Stack Configuration
- 3.3.16 Miscellaneous
- 3.4 Hardware Monitor menu
- 3.5 Security menu
- 3.6 Boot menu
- 3.7 Exit menu
- Appendix
- BIOS setup
Chapter 2: Motherboard information
2-20
9. Speaker header (4-pin SPEAKER)
The 4-pin header is for the chassis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
+5V
GND
GND
SPKO
SPEAKER
PIN 1
Connector type
HEADER 1x4p, 2.54mm pitch, S/T
10. I
2
C header
The I
2
C (Inter-Integrated Circuit) header allows you to connect an I
2
C
compatible IoT security module.
PIN 1
PWR 3.3V
NC
I2C_DATA
I2C_CLK
GND
I
2
C
Connector type
Header 2x3p, K6, 2.0mm pitch