1
Q
What are the features of S0?
A
The computer is on and the CPU is running.
2
Q
What are the features of S1?
A
The CPU and RAM are still receiving power, but unused devices are powered down.
3
Q
What are the features of S2?
A
The CPU is off but the RAM is refreshed.
The system is in a lower mode than S1.
4
Q
What are the features of S3?
A
The CPU is off and the RAM is set to a low refresh rate.
This is called ‘Save to RAM’ or suspend mode.
5
Q
What are the features of S4?
A
The CPU and RAM are off. The contents of the RAM have been saved to a temporary file on the hard disk.
This is hibernation mode.
6
Q
What are the features of S5?
A
The computer is off.
