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Yeah this thing is funny, it likes those higher 1:1 speeds better than higher 1:2 speeds. Based on what I am reading, I am seeing that some of these IMC’s may like faster 1:1 speeds, while simultaneously NOT liking faster 1:2 speeds. 6600@1:1 is not actually stable. But I can try and see if I can get it stable, probably can’t. But maybe with voltage tuning, tuning timings etc. I was really pushing the FCLK, and I hear that also impacts your 1:1 max edge speeds stability as well. But I have been just gaming with running regular speeds. As far as easy stability goes like set and forget. 2167 fclk and 6000c26 @1.450v VDD, or 1.400 VDD with 32k tREFI works, with a 65,535 tREFI. This setup runs very easy without tuning voltages or anything. I may swap the CPU for another. But being honest. I don’t mind too much. I’m pretty much okay with how it performs even stock. If I return anything, I may try a 270K Plus as well! 😄

Not so great. I need to figure out my blood pressure. Perfectly fine with medication in the morning, but then it increase up to 175/85 in the noon/evening. Has become like this the last days. Why the change, I don't know. I have even stopped smoking now, only some puffing/vaping. Then the blood pressure going ok again the next morning. Even before I start the medication in the morning. I can't have a good life now before this being fixed. This scares me to death☹️ I'll see what the doctors can do the coming days. But thanks for asking. I realy appreciate it.

No. It's: RTX 4070/4080: X-VSION Backlight mod v2: my ebay listing Custom Heatsink: eBay Cicichen Thermal paste: PTM7950

Brother @Papusan how are you getting along? I hope things are looking better and you are feeling better.

Thanks!!!, your firmware is 2019, I am wondering if a newer version is available... I cannot understand why clevo does not provide the firmware along with other drivers...

I will have to do more testing once I decide where the Z890 Apex is going to land and if decide that I am going to disturb the AMD builds. Depending on how the Intel testing goes, I anticipate the X870E taking the 4585PX from the B850MPOWER and going into the O11 Mini with the 5080, the Z890 Apex going into the O11 XL with the 5090 and the B850MPOWER taking the 9950X and going onto the test bench with my spare AIO and air-cooled memory. If the move back to Intel doesn't impress me the Z890 Apex will remain on the test bench, but that seems unlikely. I anticipate the change will be welcomed since I have plateaued on my current hardware and my interest is beginning to wane. If I like it, I will end up having to purchase a delid tool and heater and a Mycro block from TG because it is extremely unlikely that I will find contentment with anything less than bare die.

@dude-137 A 100+ degrees Celsius PCH temp is definitely not normal and not a design flaw on Clevo's part. The max I have got with regard to PCH temps is 80 degrees Celsius. I would suspect an electrical problem (overvoltage maybe?).

P775/P750 are compatible as they use the same motherboard. P870 uses a different board so most likely not compatible. The vendor who sold me the laptop got the file for me from a supplier.

If you're able to do 6600 anything 1:1 that is the golden level for IMC compatibility. Most chips can't do 6600 with proper stress testing. For example, I can post 6600 but can't pass anything meaningful but 6400 is no problem. If you're able to somehow dial in 2200/6600 that is literally the golden standard of G2. You *might* have a not so great 8000+ kit on your hands but a really good 1:1 6400 dual rank set in your possession @Mr. Fox If you're able to do 2133/6400 on dual rank that is something major for my low end use case/testing and I would love to see some gaming and bandwidth/latency benchmarks for testing. I've had several dual rank 6000 kits that were trash for 8000 and couldn't hit 2133/6400 for any meaningful stress testing. Do they pass 2133/6400 dual rank Karhu and Aida64?

Resurrecting this thread one more time to see if any method has been exposed that a mere mortal can perform to undervolt this laptop again? It's really starting to get worse and worse as time goes on with new games these days.

If you can run 6600 C28 in 1:1 mode that is already more than what most people can accomplish with the CPU, mobo and RAM kit they have. Many can't even run 6400 1:1 with the crummy silicon they were blessed with. Your CPU would have a very good IMC to do that, so I am not sure why you are having issues with 8000, 8200 or 8400 unless you are not using enough VDD/VDDQ/VDDIO. If you are able to run 6600 C28 1:1 then I doubt there is anything wrong with your motherboard. I'm glad you did not buy it. I think it would be fine for an average Joe type of gamerboy that just sets XMP/EXPO and moves on without bothering to actually tune anything for maximum performance. The plastic covers that look like a heatsink are a joke though. Gupsterg (oc.net member) discovered a V-COLOR kit he had purchased had plastic covers as well. It kind of pisses me off that they would even sell garbage like that. What a ripoff. I think the marketing info and specs not disclosing the dual rank design and plastic covers qualifies as a scam and I think they are very conveniently not disclosing what they know would make it a hard to sell product. I debated whether or not to just go ahead and install it anyway in my son-in-law's build with the other upgrade parts. The performance would have been fine for him, but I think the high temps could have been an issue with the plastic covers. I decided he was better off with the generic green 2x8GB Hynix A-die with nice aftermarket heatsinks for stability and reliability. Things get kind of toasty in his SFF build with an air-cooled GPU and air-cooled space-heater mounted on top of his CPU, both working together to create a toastly little hot box. He doesn't need 32GB of RAM. 16GB will handle anything he would throw at it just fine.

I almost bought that Vcolor kit! I thought it was suspiciously priced low. I suppose that’s why? Because it’s dual rank 16gigs? Have not tried the bios yet. But, I will soon. Being lazy. I am testing a 6600c28 though!

8000 2:1 with CL34 and other tight timings is slightly better than 6400 C30 and other tight timings. Bandwidth is higher and latency a bit lower. They are close enough to probably make no meaningful difference in experience, but based on my testing the idea that slower is better on AMD is a myth and running 6400 1:1 is pointless if your system is capable of running 8000 or higher with tight timings. Testing done by Blackbird PC Tech also confirms what I found: 8000 is slightly better (smoother and more consistent FPS) than 6400 for gaming, even with an X3D CPU, but not by a lot.

Did you try BIOS 9961 yet to see if that helps? Here are my older and tighter timings. I just reapplied them and ran a couple of benchmarks. They need to be loosened a bit to keep stability on AGESA 1.3.0.1 or newer. tRCDRD, tRP and tRC are too tight with newer AGESA, at least for my CPU. But, the read/write/copy and latency are better with the older BIOS even with the same timings and using "Normal" Bank Refresh. With "Mixed" Bank Refresh, performance degrades measurably. (Mixed is only a workaround for a security concern and I refuse to use it due to the performance hit.) If you are able to run 6600 C32 1:1 that is better than what most people can accomplish with their CPU, mobo and memory kits.

Thank you. So I will get: RTX4070 ~500 euro Backlight Mod V2 - eBay Cicichen Custom Heatsink - eBay Cicichen Thermal Paste All that correct?

What about the faster 1:1 speeds? Im testing 6600c28 right now. How would those compare VS. like DDR5 8000+ in 1:2 speeds?

I did not notice any difference, but I did not do much testing other than Karhu and AIDA64. They seemed about the same as single rank to me with the minimal testing. They perform as expected up to 6400. But, otherwise this kit is pure junk. The chips on both sides doubles their heat production and I am pretty sure the covers on them are plastic, not metal. They were cheap by current overpriced standards, and I can see why. I am going to keep them only to use in case of emergency (DIMM failure). Below is a photo of the label. Avoid these.

So I’m pushing 1:1 speeds to check IMC limit and fabric limits. I can run 2,167 fclk which seems to work well, and DDR5 6600c32 1:1. Right now I’m trying to dial down to C26 or maybe c28. The lil ram fan helps too lol!

I saw in the schematic there's a direct connection between the MXM to the DP MUX to the DMC. Here is a list of Dell P/N https://www.hscott.net/a-60-ghz-phased-array-for-10/ I mean if you're the guy who ordered a 120Hz eDP Alienware with DMC thru Dell back in the day, it should work with the MXM card because the iGPU is disabled.

Oh I recognize that hand writing! 🤣 Fun times incoming @Mr. Fox Congratz! ^^^This For those who want to run G2 mode on AM5, they are really good sticks in what is 99% of AM5 chips out there that top out at 6400 but past that? Good luck. I'd be curious to see if dual rank at 6000-6400 nets you any better performance than single rank 6000-6400 with the same timings like old school used to do for us.... what's the model # if the sticks you have @Mr. Fox? I wouldn't exchange just yet (unless your return window is 15 days). I would get another CPU or MB first (or both) to really dial down on what is holding you back. If I had just stuck with that Apex and assumed it was not the problem, I would be all over the map. Luckily, I had two motherboards to test against it (Z890 AYW, Z890 Strix-A) and three sets of memory which let me know the Apex was the problem.

Looks like fun to me! I almost went with one of these. Multithreaded performance is really good on these.

Thanks to the kindness of a wonderful friend, I have a 270K Plus now. Thanks, brother. Z890 Apex is a day late. Should be here tomorrow.

I’m shocked they started doing dual rank 16GB DDR5 sticks lol. That’s so cheap of them! Lol. 😂 So these sticks should be good for 8000 at least is what I was thinking, I’m going to try a different bios. If that does not help me, then I may exchange the motherboard and CPU at the same time, the 9950X3D2 has pretty high SP’s on both CCD’s. Whatever I get after that, I’m just going to roll with it. 😎

That's good. If you do not starve the voltage you should be good to at least 8000 or 8200 CL34 or CL36 with the Dark Hero. My V-Color 32GB crap kit is Hynix A-die but they are dual rank with 16 1GB ICs (8 1GB chips on each side of the PCB) and they suck. Being Hynix A-die doesn't win them any points because of them being dual rank. I bought two 8GB Hynix A-die generic green modules for an upgrade to my son-in-law's PC that had the X79 Rampage IV Gene and DDR3 and they overclock much better than the dual rank V-Color kit. The easily handle 8000 C34 in his new Gigabyte B650 AORUS Elite AX with a 9600X CPU. These dual rank 6000 CL26 turd sticks actually work fine in 1:1 mode up to 6400 but anything past that they suck real bad (don't even want to boot).