How macbook charges its battery

You must understand how a MacBook charges its battery in order to quickly identify and fix the Mac battery not charging issue.MagSafe and USB-C chargers are the two types of…

SLP_S4 Signal Timing and Voltage For Macbook

The requirements that must be completed before the Intel CPU/PCH outputs PM SLP S4 L are discussed in this article.We need to know a little bit about Intel CPU/PCH design…

MacBook Laptop Power On Sequence:PPBUS_GH3

Here, we’ll talk about the early stages of MacBook power-on routines.It describes how to make PP3V42 G3H and PPBUS G3H power rails, as well as their typical voltages.At this level,…