ASRock Forums : X399 Post Confirmation https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Sat, 18 Apr 2026 08:36:01 +0000 Sun, 29 Jul 2018 17:56:29 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=9266 <![CDATA[ASRock Forums]]> https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ <![CDATA[X399 Post Confirmation : Aptio Boot Flow Aptio 5.x core...]]> https://forum.asrock.com/forum_posts.asp?TID=9266&PID=54132&title=x399-post-confirmation#54132 Author: kerberos_20
Subject: 9266
Posted: 29 Jul 2018 at 5:56pm

Quote Aptio Boot Flow
Aptio 5.x core follows the firmware model described by the UEFI Platform Initialization Specification (PI).
 The PI Specification refers the following "boot phases" which may apply to various checkpoint and beep code descriptions:
- Security (SEC) - initial low-level initialization
- Pre-EFI Initialization (PEI) - memory initialization (Analogous to "bootblock" functionality of legacy BIOS)
- Driver Execution Environment (DXE) - main hardware initialization (Analogous to "POST" functionality in legacy BIOS)
- Boot Device Selection (BDS) - system setup, pre-OS user interface & selecting a bootable device (CD/DVD, HDD, USB, Network, Shell, ...


Edited by kerberos_20 - 29 Jul 2018 at 5:59pm]]> Sun, 29 Jul 2018 17:56:29 +0000 https://forum.asrock.com/forum_posts.asp?TID=9266&PID=54132&title=x399-post-confirmation#54132 <![CDATA[X399 Post Confirmation : Its my understanding that when...]]> https://forum.asrock.com/forum_posts.asp?TID=9266&PID=54102&title=x399-post-confirmation#54102 Author: ssmith335
Subject: 9266
Posted: 29 Jul 2018 at 1:55am

Its my understanding that when a motherboard boots it checks all hardware for functionality; memory, MB, etc., and won't boot until all are deemed functional, etc. 

ssmith335
]]> Sun, 29 Jul 2018 01:55:39 +0000 https://forum.asrock.com/forum_posts.asp?TID=9266&PID=54102&title=x399-post-confirmation#54102