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Set it to 101 if you have the option. FSB will fluctuate a little as the system operates. It's not a static condition.
Edit B350 may not have the option
Try turning off "Spread Spectrum".Can someone please tell me how to get my FSB to 100Mhz I can't stand the 99.80 shit I'm OCD and it kills me. Virtualization is off, using the latest official bios. Asus Prime B350
Has anyone had any success with getting 4 sticks to run at 3200MHz? I brought two kits of the FlareX memory and two sticks work with my MSI X370 Gaming Pro Carbon, but 4 won't boot past 2933MHz.
Has anyone had any success with getting 4 sticks to run at 3200MHz? I brought two kits of the FlareX memory and two sticks work with my MSI X370 Gaming Pro Carbon, but 4 won't boot past 2933MHz.
Originally Posted by The Stilt
Few suggestions regarding the controls allowed by the new (AGESA 1.0.0.6) bioses:
- In case you run into a MEMCLK hole, adjust the CLDO_VDDP voltage. The VDDP adjustment window is rather narrow, usually < 100mV. Also the window is neither static or linear. Because of that the setting which is optimal for frequency x might not be optimal for frequency y. Also since the window is not linear, but more of a wave form e.g. VDDP at 975mV might work perfectly fine whereas 980mV won't be able to train the memory. The MEMCLK hole is both CPU and DRAM specific, but so far I haven't seen any evidence it being motherboard specimen specific. This means that swapping either the CPU or the memory (to another CPU or modules) might either introduce or the get rid of the MEMCLK hole. Personally I have 100% success rate in clearing the MEMCLK hole with CLDO_VDDP adjustment (1x R7 1700, 1x R7 1800X and 2x R7 1700X). All of the MEMCLK holes on these CPUs have been cleared using 937 - 1000mV setting. Do note that when you change the CLDO_VDDP voltage, saving the bios settings will not put the new CLDO_VDDP voltage into effect, since the CLDOs can only be programmed during a cold reset or a cold boot. Because of that I suggest that you save the new CLDO_VDDP value and press the reset button before the system has booted up again. Also CLDO_VDDP must be at least 100mV lower than the DRAM voltage at all times. Regardless it is not recommended to exceed 1050mV.
- For Samsung B-die dual rank modules I suggest that 96Ohm ProcODT is used.
This will allow you run ODD timed Cas Latencies (tCL). For example my kit is rated at DD4-3200 15-15-15-35, but until the latest AGESA I was stuck with running either 14-15-15-35 or 16-15-15-35. Changing the GearDown to Disabled allows me to run at 15-15-15-35.
GENERALLY for that you have the tCWL set to tCL-1 or tCL-2. Therefore, at tCL of 14T you'd set it to tCWL 13T or tCWL 12T. Keep in mind that the aforementioned GearDown has to be Disabled to run Odd on tCWL as well, at least in my experience. Setting it to 13T will automatically run at 14T, so the next available choice is 12T. Mind you I haven't yet tried tCWL of 13T since disabling GearDown, so I'm only assuming it allows for Odds on that as well, but I'm sure it will. (I'm running at 14T currently)Originally Posted by The Stilt
I'm not sure what the programming rules for tCWL are in this specific version, but make sure it is in sync with tCL on dual rank modules. Also if you're running high VDDCR_SoC voltages, try lowering it a bit (< 1.100V). Other than that there is not much you can do about it.
Originally Posted by The Stilt
Those who are able to train the memory at high speeds (>=3466MHz), but are unable to stabilize it due to signaling issues, I suggest that you try decreasing the "Command & Address" related drive currents (increasing the resistance).
AMD CBS > UMC Common Options > DDR4 Common Options > CAD Bus Configuration > CAD Bus Drive Strength User Controls:
Clock Drive Strength = 30.0Ohm
Address / Command Drive Strength = 30.0Ohm
CS / ODT Drive Strength = 30.0Ohm
CKE Drive Strength = 30.0Ohm
24.0Ohm is the default value for all of them, at >=2666MHz MEMCLK (regardless of the DRAM configuration).
These values are not very sensitive so anything up to 60Ohms should allow you to train the memory.
At default settings (24.0Ohms) anything above 3466MHz was unstable due to signaling issues (only B2 DIMM slot was able to run 3600MHz stable).
OK. I think I've finally got something nailed down; see the screenshot below. It was taken after a 2-hour Prime95 blend test. I also ran the memory through Memtest86 overnight with no errors. This is running 4x8GB G.Skill TridentZ 3200MHz C14, F4-3200C14Q-32GTZSW. Motherboard is an ASRock Taichi X370 running FW 2.40. VDimm is set to 1.375V, not entirely sure why it shows in HWiNFO as 1.392. ProcODT is set to 53, and despite what RTC says, I did enable BankGroupSwap(Alt) in the BIOS.
OK. I think I've finally got something nailed down; see the screenshot below. It was taken after a 2-hour Prime95 blend test. I also ran the memory through Memtest86 overnight with no errors. This is running 4x8GB G.Skill TridentZ 3200MHz C14, F4-3200C14Q-32GTZSW. Motherboard is an ASRock Taichi X370 running FW 2.40. VDimm is set to 1.375V, not entirely sure why it shows in HWiNFO as 1.392. ProcODT is set to 53, and despite what RTC says, I did enable BankGroupSwap(Alt) in the BIOS.
The DDR4 memory frequency posted is 2,039.6 MHz, which in double data rate terms means DDR4-4079. The rig he used was based on a GIGABYTE AORUS AX370-Gaming K7 motherboard (F4 BIOS) using a single 8GB stick of G.SKILL Trident Z E-die memory (F4-3600C17-4GTZ) using 18-20-20-58-93-1 timings
The AMD Ryzen chip he used was a Ryzen 5 1400 Quad-Core Processor down clocked to 800MHz .
Seems the new bios raised the limit for extreme overclockers to over 4000 mhz which is a good sign of improvemnent:
http://www.guru3d.com/news-story/am...en-by-overclocker-newlife-to-ddr4-4079-2.html
If they can get Raven Ridge memory to run 4000 mhz by the time it releases, it should be a pretty awesome APU.
Hilbert said:The DDR4 memory frequency posted is 2,039.6 MHz, which in double data rate terms means DDR4-4079. The rig he used was based on a GIGABYTE AORUS AX370-Gaming K7 motherboard (F4 BIOS) using a single 8GB stick of G.SKILL Trident Z E-die memory (F4-3600C17-4GTZ) using 18-20-20-58-93-1 timings. The AMD Ryzen chip he used was a Ryzen 5 1400 Quad-Core Processor down clocked to 800MHz . Although the AMD Ryzen platform will probably never compete with Intel in terms of raw memory frequencies due to the way the platform architecture is designed, it is clear that the company is making real improvements to its first ever DDR4 capable platform.
as far as the information i've found 3600-4000mhz gskill trident is guaranteed to be B-die where as 3000-3200 there's a few different chips they use depending on the timing of the ram and whether it's single or dual rank.
Thaiphoon Burner is the number one solution on the software market to work with SPD firmware of DRAM modules of PC. It is designed to meet the needs of both end-users and companies specializing in memory modules production for personal computers.
There are a few with hynix chips: https://www.reddit.com/r/Amd/comments/649ay8I'm not to sure on what you are getting at but supposedly all of it is Samsung. The low latency are (14) . check it yourself:
http://www.softnology.biz/
Well I guess the point is that AMD is doing what they can to increase memory speed on the AM4 platforms. 3200 mhz was unheard of for a consumer but now many can get that. Who knows what we will see in 6 months.
All told... Is the ram speed and cpu mhz worth the $330?
Same board and RAM as I have? Or same setup as you had with your 1800X?Man, I changed my 1800x for a 2700x and on the same board, BIOS and RAM I'm able to do 3600 17-18-18-38 vs only being able to get truly stable at 2933 16-16-16-36.
If you look at the performance gap then what is coming with Zen2 is less of a gamble then this Zen+ is.All told... Is the ram speed and cpu mhz worth the $330?
Same board and RAM as I have? Or same setup as you had with your 1800X?
I was going to go to the 2700x, but I saw a few others fail to be able to sell their 1700x on here for respectable prices.
running my flarex 3200 @3533 14-14-14-14 1.45v, Asus ROG Strix x370F, 1600x...itll run 3600 cl14 but only for an hr or so...
Depends on what you consider respectable. 6700k/7700k prices are in the shitter also at sub $200. But I don't know why anyone would pay more than $180-200 for a 1700X.
Although, in fairness, aren't you're the guy looking for a bargain basement pricing on RAM in FS/FT? Seems a little disingenuous to then want top dollar for
a 1700X.
There is an artificial shortage of DDR4 caused by monopolistic market manipulation causing the prices to rise to 200% more than what they were a year ago. I don't think me not wanting to pay those prices (especially for RAM that could be at least a year old and bought for much cheaper) is comparable to making a decision not to sell my 1700x due to what the market is yielding for it.
What are the original timings on your kit? And when did you buy it?running my flarex 3200 @3533 14-14-14-14 1.45v, Asus ROG Strix x370F, 1600x...itll run 3600 cl14 but only for an hr or so...
I think that the new AGESA for the Zen+ is perhaps more the star of the show, which I was originally giving credit to Zen+ as being tweaks that allowed for higher speeds... But given Below Ambient's clocks and my own achievement, I can't quite say it's architecture tweaks now hehThe memory controller on my 1600x was much better than my 1700. I haven't tried running my FlareX at anything more than rated speeds, but nice to know there might be some headroom.
If wanting to buy low and sell high is disingenuous, then the entire forum membership is also disingenuous.