• Hi howdy? we glad you to be here. Are you interested to learn Laptop chip level repair work, then this is a small forum join in the laptop repair community to help each other.
    Please Register

Typical Laptop power on Sequence

when we press power button on a laptop, the below steps happen one by one before we get display.

1. AC IN
2. +3VLP
3. EC_ON
4. +3VALW
5. +5VALW
6. SPOK
7. +1.0VALW
8. +1.8VALW
9. ON/OFF
10. EC_RSMRST#
11. PBTN_OUT#
12. EC_SLP_S5#
13. EC_SLP_S3#
14. SYSON
15. +1.35V
16. DDR_PWROK
17. VR_ON
18. +SOC_VNN
19. VGATE
20. SUSP#
21. +1.0VS
22. +1.05VS
23. +1.35VS
24. +1.5VS
25. +1.8VS
26. +3VS
27. +5VS
28. +0.675VS
29. KBRST#
30. PMC_CORE_PWROK
31. DDR_CORE_PWROK
32. PMC_PLTRST#
 
Click to expand...
You must log in or register to reply here.
Similar threads Most view View more

Find member

Latest posts

Share this page

Top resources

Latest resources

Back
Top
AdBlock Detected

We get it, advertisements are annoying!

Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.

I've Disabled AdBlock