https://forum.asrock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Mon, 27 Apr 2026 23:41:52 +0000 Sun, 20 Jul 2025 06:16:52 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 https://forum.asrock.com/RSS_post_feed.asp?TID=113261 https://forum.asrock.com/forum_images/web_wiz_forums_black.png https://forum.asrock.com/ https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198458&title=transient-scheduler-attacks#198458 Author: Skybuck
Subject: 113261
Posted: 20 Jul 2025 at 6:16am

Yeah thanks !

I may have forgotten about that or I didn't know about these slight difference. I do remember seeing PCI4 only boards... I am glad I have the PCI5 board :) just takes away some worries... Not sure if my SSD could reach it's full potential on PCI4...

]]> Sun, 20 Jul 2025 06:16:52 +0000 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198458&title=transient-scheduler-attacks#198458 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198376&title=transient-scheduler-attacks#198376 Author: Xaltar
Subject: 113261
Posted: 10 Jul 2025 at 11:12pm

They have different chipsets, B650 and B650E. I found this link that explains the
difference:
https://www.corsair.com/us/en/explorer/gamer/gaming-pcs/b650-vs-b650e-which-chipset-should-you-choose/

Basically, the added E denotes differences in the PCIe faculties of the chipset.
I like to think of the E standing for Enhanced.

Hope this clarifies things

Edited by Xaltar - 10 Jul 2025 at 11:13pm]]> Thu, 10 Jul 2025 23:12:20 +0000 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198376&title=transient-scheduler-attacks#198376 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198375&title=transient-scheduler-attacks#198375 Author: Skybuck
Subject: 113261
Posted: 10 Jul 2025 at 11:03pm

Do both versions share the same bios ? Seems so...

Apperently I have the second one which came with the graphics card holder.

The first/left one does not seem to have it:

Second one seems to have same link to bios page as previously posted in original posting:
https://www.asrock.com/mb/AMD/B650E%20Steel%20Legend%20WiFi/index.nl.asp#BIOS

]]> Thu, 10 Jul 2025 23:03:47 +0000 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198375&title=transient-scheduler-attacks#198375 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198374&title=transient-scheduler-attacks#198374 Author: Skybuck
Subject: 113261
Posted: 10 Jul 2025 at 11:01pm

I find this confusing:

Why are there two different B650 models of Steel Legend Wi-Fi motherboard ?
Is one newer than the other ?
Is it updated/improved ?
Or bait and switch strategy ?

Very strange:

https://www.asrock.com/mb/compare.nl.asp?Models=B650%20Steel%20Legend%20WiFi,B650E%20Steel%20Legend%20WiFi

]]> Thu, 10 Jul 2025 23:01:43 +0000 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198374&title=transient-scheduler-attacks#198374 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198373&title=transient-scheduler-attacks#198373 Author: Skybuck
Subject: 113261
Posted: 10 Jul 2025 at 10:58pm

Discovery:
https://www.microsoft.com/en-us/research/publication/enter-exit-page-fault-leak-testing-isolation-boundaries-for-microarchitectural-leaks/

Publication:
https://www.microsoft.com/en-us/research/wp-content/uploads/2025/07/Enter-Exit-SP26.pdf

AMD Report:
https://www.amd.com/content/dam/amd/en/documents/resources/bulletin/technical-guidance-for-mitigating-transient-scheduler-attacks.pdf

AMD Processors affected:
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7029.html

My SuperPC 2023 on which I would like to run blockchains sometimes may need to be protected agains this.

Assuming this is my motherboard:
https://www.asrock.com/mb/AMD/B650E%20Steel%20Legend%20WiFi/index.nl.asp#BIOS

The latest BIOS seems to be:

"Update AGESA to ComboAM5 1.2.0.3e Patch A for upcoming CPU compatibility."

AMD claims mitigation are in versions:

ComboAM5PI 1.2.0.3 + OS Updates (2025-01-08)   
ComboAM5PI 1.0.0.a + OS Updates (2025-01-14)   
ComboAM5PI 1.1.0.3c+ OS Updates (2025-01-27)

Which Windows 11 updates/patches would be necessary ? This remains unexplained.

Is it already fixed in Windows 11 ?

Can ASRock confirm these bios updates contain the fixes necessary to protect the processor against exploitation ?

What will the performance impact on the system ?

(Also what is the quality of these bios updates, any risks of components failing, like soundchips, harddisk support, ssd support, etc ?)]]> Thu, 10 Jul 2025 22:58:26 +0000 https://forum.asrock.com/forum_posts.asp?TID=113261&PID=198373&title=transient-scheduler-attacks#198373