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The AGESA 1.2.0.8 firmware for my ASRock boards breaks x2APIC again, so I reverted to the last stable firmware...after I copypastaed the new SMU version over with a hexeditor.

Didn't notice any difference between AGESA 1.2.0.7 and 1.2.0.8. I'd like the security updates, but not at the expense of working x2APIC. CPU microcode has not changed.

Exhaust, since hot air rises have my top mounted rad blowing up and out.
Natural convection is largely irrelevant in the presence of forced airflow.

it effects the m.2 slot(s) that's directly connected to the cpu, not the ones on the chipset. most everyone has np with up to about 102.5. and its not a negative side effect unless you go over. until then its a benefit, even to the m.2
i cant go over 101 with 2 nvme's and 2 sata drives.
This will depend heavily on the drive controllers involved.

Chipset NVMe also still runs off the same reference clock as the CPU PCI-E.

There's a new chipset driver for AM5 7000 series which offers performance optimisations for x3d vcache
The "AMD 3D V-Cache Performance Optimizer Driver" has been around since at least late 2021. All it does is, "optimizes performance of applications by temporarily making opportunistic changes to OS processor power management". Since I've got a custom power profile I like, I never bothered with it.

That package does contain a new version though, I'll check for any relevant changes when I get the chance.
 
The AGESA 1.2.0.8 firmware for my ASRock boards breaks x2APIC again, so I reverted to the last stable firmware...after I copypastaed the new SMU version over with a hexeditor.

Didn't notice any difference between AGESA 1.2.0.7 and 1.2.0.8. I'd like the security updates, but not at the expense of working x2APIC. CPU microcode has not changed.
So you don't recommend upgrading to 1.2.0.8 if you have a perfectly fine 1.2.0.7 setup (5800X3D -25 best cores -30 rest of the cores through PBO 2 Tuner, zero issues, Win11 22H2, DDR4-3800CL16, RTX 4080) ?
 
Personally 1.2.0.8 on my Windows 10 gaming rig has turned out to be an improvement for gaming.. Everything seems smoother and I'm speculating that the previous 1.2.0.7, even full release, had USB issues with my chip. I had a keyboard that was brand new that within 3 weeks time had disconnected several times with the evidence also visible through device manager. I would get "Unknown USB Device (Device Descriptor Request Failed)" With the new replacement keyboard and on 1.2.0.8 movement feels very responsive. This could be due to a Windows update + the new AMD GPU driver update, too. However I'm still observing for any USB device failures and will be very surprised if it happens again.
 
So you don't recommend upgrading to 1.2.0.8 if you have a perfectly fine 1.2.0.7 setup (5800X3D -25 best cores -30 rest of the cores through PBO 2 Tuner, zero issues, Win11 22H2, DDR4-3800CL16, RTX 4080) ?
None of the issues I had with the new firmware on my boards had anything to do with the AGESA version.

This is the case with a large portion of the phenomena noted here. AGESA 1.2.0.7 for example should not be changing voltages vs. 1.2.0.6b, nor does it have anything to do with not being able to save profiles on some boards...the AGESA update just happened to be implemented at the same time these problems were introduced.

In general, I want to be running the newest AGESA possible, with a small handful of exceptions. I just also want to avoid newly introduced, or reintroduced, bugs elsewhere in the firmware. Unfortunately, changelogs tend to be sparse, and AGESA version is often the only change mentioned.
 
With 1.2.0.8 RAM OC is no longer stable for me - 4 x8GB, on some restart it boots just fine, then it will 3x beep etc; got it to work on the 1900 setup but with TRRDS, TRRDL and TRFC on bit higher values than 1.2.0.7
Cpu boost clock override does not improve the max clock, keeps the clock down to stock and that's it. Without the override, effective clocks went down a bit and no longer max out @ 4450

Will test a few more days, PBO curve in bios is nice but is there any CPU performance gain ? 1.2.0.7 with -30 all cores, 105 65 105 best results below

Gigabyte GA-B550 AORUS ELITE AX V2 Performance Results - UserBenchmark

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Just seen that 7C35vAF1(Beta version) 1.2.0.8 bios is available for my board MSI x570 unify will try it later
Not available for the B550 Unify-X yet unfortunately. Please update on how it runs on the X570.
 
1.2.0.8 looking underwhelming so far if you're already using PBO2 Tuner. I don't really want to re-do my RAM overclock and adjust the CPU package voltages and all that stuff just for a 0.5% performance difference (if there's any).

EDIT: couldn't help myself, did a backup of my current BIOS and profiles and I updated to 1.2.0.8 AGESA, see quick results a couple of posts below, didn't install the chipset drivers though (waiting for them to be publishes on the usual AMD X570 support website)
 
I have to re do my RAM anyway so I wouldn't mind updating hehe.

Btw, maybe one of you guys can help me with that. I'm stable at 3800 15-15-15-30-45-252-1T GDM Off on the X3D right now but I wanna push for tCL 14 at least. The thing is, no matter what I change in the voltages, drive strengths or resistances it just refuses to POST at all at tCL 14. I got it to go to Windows once at 14-16-14 but it was so unstable it BSOD starting TestMem5 instantly.. I have no clue what that could be.. on my ASUS Strix B550-A I had no issues running tCL 14 but obviously not 1T as it's a pretty weak 4 DIMM board.
 
I have to re do my RAM anyway so I wouldn't mind updating hehe.

Btw, maybe one of you guys can help me with that. I'm stable at 3800 15-15-15-30-45-252-1T GDM Off on the X3D right now but I wanna push for tCL 14 at least. The thing is, no matter what I change in the voltages, drive strengths or resistances it just refuses to POST at all at tCL 14. I got it to go to Windows once at 14-16-14 but it was so unstable it BSOD starting TestMem5 instantly.. I have no clue what that could be.. on my ASUS Strix B550-A I had no issues running tCL 14 but obviously not 1T as it's a pretty weak 4 DIMM board.
What voltage you are running? To get 3800 14-15-14-28-1T GDM off stable took 1.54v for me.
 
What voltage you are running? To get 3800 14-15-14-28-1T GDM off stable took 1.54v for me.
1.48 for 15's and went up to 1.62 for 14 but no changes. I'll play around with it in a sec.
 
Hey guys! Got a fresh 5800x3d paired with a 7900 XT a few weeks back. I just put -30 on all cores and mainly play warzone 2. Never had a crash and temps are in the 55-60 with a Liquid freezer 360 AIO.
However when I stresstest with OCCT small i get a reboot 50 seconds in.
Does this affect the performance of the game like it can "fail in the background" without crashing and I should consider to bump it up or just leave it since it never rebooted or crashed the game?

Loving the CPU so far was a really nice boost compared to 5600X!
 
Not available for the B550 Unify-X yet unfortunately. Please update on how it runs on the X570.
just had a quick play with 1.2.0.8 , at stock its worse right away few seconds in 87c on cb23, with 1.2.0.7 it would cap out at 85c

its got PBO in the bios now can set per core, still has kombo strike but changing it to 3 didint do anything when checking pbo2 in windows , but going into bios setting PBO and changing does work

not had long with it but at -30 all its using the same power and temps as 1.2.0.7 did but will need to test more and play around with settings will check if offset works later

EDIT Kombo strike doesnt work alone, have to set it to 3 and than play with PBO in bios, offset is still broken
 
Well I did update to AGESA 1.2.0.8, didn't install the "new" chipset drivers though (waiting for them to be published on the usual AMD X570 support website), I could re-use and keep my RAM overclock (from 3600 to 3800 1900 1:1:1) settings and all the CPU package / chipset / memory controller voltage values with no issues, thanks God I didn't have to redo anything. Also, reBAR is enabled and the system seems stable so far (did run Y-Cruncher to calculate Pi for an hour and then did CoreCycler for 30 minutes, I'll do more extensive tests after chipset drivers are released and installed).

So here we go with some quick and dirty results, TL;DR you can say AGESA 1.2.0.8 is slightly faster than 1.2.0.7 (or at least within margin of error) going from the quick tests I performed here, I don't have time for CB runs I'll do it later today or early tomorrow. Having per-core Curve Optimizer and PPT/TDC/EDC at the BIOS level is really neat since my system now boots Windows at -30 all core and 114-75-115 limits faster than before (which obviously was at stock values, it just takes 4 secs tops anyways). When launching PBO2 Tuner it recognizes the values set by the BIOS (-30 all core and 114-75-115) which is also nice.


All cores boosting (Snapshot mode, so actual / effective clock speeds) effortlessly to 4550, usual behavior.

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When forcing 3 cores to boost simultaneously they did it to almost 4550, 4548MHz (if you're not using HwINFO64 in "snapshot mode" you're always going to see a generic 4550 value instead of the actual value reported by the CPU) in AGESA 1.2.0.8 vs I think it was 4546-4547MHz in AGESA 1.2.0.7 (margin of error)

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OCCT performance tests, stock clocks (FCLK 100MHz) equal in one test and slightly faster in the rest (margin of error...) 5800X3D running at stock FCLK (100MHz)

single-thread
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multi-core, can't beat an undervolted 5800X3D 1.07v sitting at the top of the leaderboard (5800X3D stock clocks), my motherboard doesn't offer an offset for vCore so it is what it is with my 1.16v CPU in this test, it comes close though and performs better than the average 5800X3D stock CPU.
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20-21ÂşC idle temp (haven't had a look at this in a long time, I guess it's pretty cool but normal for this time of the year in Spain)
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Y-Cruncher Pi one billion decimal digits, AGESA 1.2.0.8 ever so slightly faster than 1.2.0.7 (but within margin of error)


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Played some Hogwarts 4k @120 fps ultra settings with ray-tracing disabled and CPU temp looks a couple ÂşC lower than usual, but this is inconclusive, game runs super smooth but then again I'm using a 4080 with the frame generation option enabled on a G-Sync panel. Didn't notice any stutter, and I have a trained eye for that.
 
Interesting results. I'm taking the gamble as I'm not that afraid of flashing back A70 BIOS. I have it saved to a USB with all my profiles as well so. As soon as it releases for B550 Unify-X I'll go for it.
 
1.2.0.6 bios with PBO in bios would be perfect oh well, not to bothered now rather set pbo in bios sticking with latest bios gaming really dont see much difference or any

would be nice if I could do settings in bios so would end up matching what I get when coming out of sleep
 
Quick CPU-bottlenecked game test, I used to get 125 fps in this exact same spot now with AGESA 1.2.0.8 I get 156 fps, big and nice improvement (I have a game save here just to test CPU performance), 1080p ultra settings + 4080 undervolted. Temps look alright considering this spot in the game hammers the CPU, 4080 GPU is at half usage lol. As mentioned earlier I play this game at 4k unwavering 120fps G-Sync and it runs super smooth, but I test the CPU bottleneck at 1080p ultra in this particular spot.

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