一般EC於上電後, 會先初始化GPIO , 然後進入S5開始等待開機的event.請問是等待甚麼Event呢?
1.	Power button press
2.	SLP_S3 & SLP_S4 拉high.
Below is an instruction that describes a task. Write a response that appropriately completes the request. ### Instruction: 一般EC於上電後, 會先初始化GPIO , 然後進入S5開始等待開機的event.請問是等待甚麼Event呢? ### Response: 1.	Power button press
2.	SLP_S3 & SLP_S4 拉high. 