Sequence of events occurs after starting SQL server

1.       Identify the machine and model

2.       Find authentication mode

3.       Detecting RAM

4.       Recent reported time and date of the instance

5.       Starting up master database

6.       Start of auditing

7.       Finding server name

8.       CLR functionality initialization

9.       Starting up msdb database

10.    Starting up user databases

11.    Starting up model database

12.    Cleaning tempdb

13.    Starting up tempdb database