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- Controller: Super I/O ITE 8772
- Monitor Functions:
Temperature:
CPU/System
Monitor System Ambient Temp
Monitor CPU Temp
Fan Speed:
Monitor CPU fan speed
Monitor System fan spped
Voltage
Vcore /+12V / +5V / +3.3V / 5VSB/ +BAT
- Design Criteria :
Designed in CPU over temperature warning /shut down circuit
Linear mode control for CPU and System Fan separately by individual
sensor
PWM function should cover ACPI mode and non‐ACPI mode
Nice to support for higher 128 bytes r/w by SMBus
Hardware Monitor
- Power State LED
■ S0 Blue Steady
■ S1/S3 Blue Blinking
■ S4/S5 Off
- Storage State LED
■ Active Blue Blinking
■ Idle Off
System LED Definition
- Please refer to Acer BIOS spec for details and follow Acer LED spec
- The Blue LED current and voltage bias must follow “LED Definition v1.4
in Appendix”
■ Voltage bias: 5V
Current and Voltage on
LED
■ Current:
20mA
6 Chapter 1