My personal understanding: What is the difference between direct power failure and sending a reset signal to the motherboard?

Haige's reset circuit is not well designed and ready to be developed in the factory. During this period, many people asked me: What is the difference between direct power failure and sending a reset signal to the motherboard?

For this question, I will explain it according to my own understanding. I do not know if it is true or not! Directly disconnect, that is, all devices suddenly stop power supply. In fact, this affects some sensitive components!

Sending a reset signal is to send a reset signal to the motherboard for a resetProgramAutomatic Restart. This process is soft reset. At this time, all the components on the motherboard are in the power supply range, and each component will receive the reset signal and start running again.

What are the disadvantages of direct power failure? For hard disks, this is a serious injury! Because when a disk is running at high speed, a sudden power failure will cause the head to scratch the disk surface, which is physical and cannot be recovered.

During the reset sending process, it is continuously enabled, but the re-reset of the north-south bridge, CPU, etc. will not affect this. As for the electronic disk, I am not sure about this, I don't know much about how he works. If you want to use a USB flash drive to write data to explain this problem suddenly, you have to try to use less power-off.