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AMD AGESA V2 1.2.0.7 Microcode To Fix fTPM Stutters
Motherboard manufacturers are addressing AMD's stuttering issue in Windows 10 and 11 with a new BIOS update. The (intermittent) performance losses and stuttering are caused mostly by the TPM 2.0 function (fTPM).
AMD provided the AGESA V2 PI 1.2.0.7 microcode to motherboard suppliers and PC OEMs . This version of AGESA is important for Windows 11 users because it fixes a performance stuttering issue caused by the OS's frequent polling of the fTPM. The new AGESA version is also preordained for AMD 300-series chipset motherboards, where it adds official (stable) support for Ryzen 5000 series processors, allowing those on the 5-year-old platform to enjoy an IPC boost of up to 60%. (Zen 3 vs. Zen). 1.2.0.7 is also said to fix certain stability issues with the Ryzen 7 5800X3D, as well as permit BClk overclocking on the chip as long as the CPU does not draw more than 1.35 V in the Vcore voltage domain.
It is now up to motherboard vendors and PC OEMs to incorporate 1.2.0.7 into their firmware and make it available to end users. But the stuttering issue that has plagued multiple users since January 2022 has been resolved.
Article Number
PA-410
This documentation provides information on improving intermittent performance stutter(s) on select PCs running Windows® 10 and 11 with Firmware Trusted Platform Module (“fTPM”) enabled.
Issue Description
AMD has determined that select AMD Ryzen™ system configurations may intermittently perform extended fTPM-related memory transactions in SPI flash memory (“SPIROM”) located on the motherboard, which can lead to temporary pauses in system interactivity or responsiveness until the transaction is concluded.
Update and Workaround
- Update: Affected PCs will require a motherboard system BIOS (sBIOS) update containing enhanced modules for fTPM interaction with SPIROM. AMD expects that flashable customer sBIOS files to be available starting in early May, 2022. Exact BIOS availability timing for a specific motherboard depends on the testing and integration schedule of your manufacturer. Flashable updates for motherboards will be based on AMD AGESA 1207 (or newer).
- Workaround: As an immediate solution, affected customers dependent on fTPM functionality for Trusted Platform Module support may instead use a hardware TPM (“dTPM”) device for trusted computing. Platform dTPM modules utilize onboard non-volatile memory (NVRAM) that supersedes the TPM/SPIROM interaction described in this article.
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Kaarme
Senior Member
Posts: 3408
Joined: 2013-03-10
Senior Member
Posts: 3408
Joined: 2013-03-10
#6025186 Posted on: 06/14/2022 11:15 AM
How do we know if we use hardware dTPM or not and how does the non "hardware" fTPM one work?
ROG CROSSHAIR VIII HERO manual says the TPM module is purchased separately, so it wasn't shipped with it. Of course you can always have a look at the mobo and see if the connector is empty, to be absolutely sure. I'm not sure if any modern mobo is shipped with dTPM since modern CPUs should be able to handle it (fTPM). Maybe some professional mobos do, like Threadripper ones. No idea. Based on what folks have posted in the past, with at least some mobos, it seems possible to select dTPM in BIOS even when there's no module installed, which has led some to think they have a dTPM module, despite not possessing it in reality. It's kind of strange.
A TPM module costs about 15 euros, so whenever I'll upgrade to Win11 (not any time soon), I might be tempted to get a dTPM just to be sure and avoid any annoyances. Time will tell.
How do we know if we use hardware dTPM or not and how does the non "hardware" fTPM one work?
ROG CROSSHAIR VIII HERO manual says the TPM module is purchased separately, so it wasn't shipped with it. Of course you can always have a look at the mobo and see if the connector is empty, to be absolutely sure. I'm not sure if any modern mobo is shipped with dTPM since modern CPUs should be able to handle it (fTPM). Maybe some professional mobos do, like Threadripper ones. No idea. Based on what folks have posted in the past, with at least some mobos, it seems possible to select dTPM in BIOS even when there's no module installed, which has led some to think they have a dTPM module, despite not possessing it in reality. It's kind of strange.
A TPM module costs about 15 euros, so whenever I'll upgrade to Win11 (not any time soon), I might be tempted to get a dTPM just to be sure and avoid any annoyances. Time will tell.
rl66
Senior Member
Posts: 3660
Joined: 2007-05-31
Senior Member
Posts: 3660
Joined: 2007-05-31
#6025201 Posted on: 06/14/2022 11:54 AM
?
I have this agesa since around a month or so...
?
I have this agesa since around a month or so...
TalentX
Senior Member
Posts: 181
Joined: 2019-04-10
Senior Member
Posts: 181
Joined: 2019-04-10
#6025202 Posted on: 06/14/2022 11:57 AM
Why would you even willingly activate a hardware DRM module?
Because Windows 11 wants you to? lol
Why would you even willingly activate a hardware DRM module?
Because Windows 11 wants you to? lol
Undying
Senior Member
Posts: 22349
Joined: 2008-08-28
Senior Member
Posts: 22349
Joined: 2008-08-28
#6025204 Posted on: 06/14/2022 12:02 PM
?
I have this agesa since around a month or so...
Same here but this one is dated 2022/05/12.
?
I have this agesa since around a month or so...
Same here but this one is dated 2022/05/12.
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Senior Member
Posts: 1191
Joined: 2010-01-04
I didn't notice any obvious issues on my own PC... is this during normal Windows use or just in high FPS gaming? What is obvious signs of it happening?
Windows 10 Pro (21H1 10.0.19043 Build 19043)
5950X (ROG CROSSHAIR VIII HERO)
BIOS 3801, 30/07/2021
According to this PC Health check app https://www.asus.com/support/FAQ/1046215/ it says I have TPM 2.0 enabled on this PC.
Is this same as Firmware Trusted Platform Module (“fTPM”) enabled?
"affected customers dependent on fTPM functionality for Trusted Platform Module support may instead use a hardware TPM (“dTPM”) device for trusted computing"
How do we know if we use hardware dTPM or not and how does the non "hardware" fTPM one work?