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Helpful ReplyError Code FF?

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jasoncodispoti
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2019/04/21 08:00:58 (permalink)
So I have been messing around with the BCLK and no matter what I do I cant seem to get the computer to POST after changing the BCLK... It beeps a few times reboots a couple of times and than I just get a blank screen with the code FF on the display (on motherboard). Anyone have any ideas as to what FF means? Hoping that it will be helpful in pin pointing what I need to adjust to get BCLK to work. 
 
Thanks! 

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bcavnaugh
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Re: Error Code FF? 2019/04/21 08:38:47 (permalink)
I have always kept mine at 100.
What Motherboard(Model), CPU, and Memory(Model#) do you have? 

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Re: Error Code FF? 2019/04/21 09:20:41 (permalink)
Why do you feel you need to adjust the BCLK, what are you trying to achieve?


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Re: Error Code FF? 2019/04/21 09:54:09 (permalink)
jasoncodispoti
So I have been messing around with the BCLK and no matter what I do I cant seem to get the computer to POST after changing the BCLK... It beeps a few times reboots a couple of times and than I just get a blank screen with the code FF on the display (on motherboard). Anyone have any ideas as to what FF means? Hoping that it will be helpful in pin pointing what I need to adjust to get BCLK to work. 
 
Thanks! 


Here is an FAQ about what different POST Codes mean: POST Codes

FF in your case is generally just indicative of a failure.
 
-Jacob B.

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Re: Error Code FF? 2019/04/21 13:31:37 (permalink)
I'm guessing since you're able to change the bclk value the system is working fine with stock settings and only produces the FF after you have saved and exited the BIOS or no?
 
 
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Re: Error Code FF? 2019/04/21 15:18:19 (permalink)

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jasoncodispoti
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Re: Error Code FF? 2019/04/21 17:32:40 (permalink)
EVGATech_JacobB
Here is an FAQ about what different POST Codes mean: POST Codes

FF in your case is generally just indicative of a failure.
 
-Jacob B.




LOL, I dont know why, but when I read this I just busted out loud laughing... Thanks for the info! Looks like I have got some tinkering to do.  

Intel Core i7-9800x | EVGA RTX 2080ti FTW3 Ultra HydroCopper | 32GB Corsair Dominator Platinum | EKWB Liquid Cooled Loop | Phanteks Enthoo Primo SE


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jasoncodispoti
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Re: Error Code FF? 2019/04/21 17:35:38 (permalink)
EVGATech_JoseR
I'm guessing since you're able to change the bclk value the system is working fine with stock settings and only produces the FF after you have saved and exited the BIOS or no?
 



That is correct. Nothing is wrong with the hardware, just appears to be a bad overclock was just wondering what "FF" indicated to see if it would help pin point the issue with my overclock. Thanks for checking though! 

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jasoncodispoti
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Re: Error Code FF? 2019/04/21 17:38:09 (permalink)
bcavnaugh
I have always kept mine at 100.
What Motherboard(Model), CPU, and Memory(Model#) do you have? 




Motherboard, EVGA X299 Dark
CPU, Intel Core i7-9800x
Memory, Corsair Dominator Platinum 4x8GB 3200MHz C16

Intel Core i7-9800x | EVGA RTX 2080ti FTW3 Ultra HydroCopper | 32GB Corsair Dominator Platinum | EKWB Liquid Cooled Loop | Phanteks Enthoo Primo SE


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jasoncodispoti
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Re: Error Code FF? 2019/04/21 17:40:46 (permalink)
GGTV-Jon
Why do you feel you need to adjust the BCLK, what are you trying to achieve?




Just messing around with overclocking settings... Adjusting BCLK is something that I have never really messed with in the past and figure now was a good time to see what happens. Any suggestions? 

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bcavnaugh
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Re: Error Code FF? 2019/04/21 17:41:24 (permalink)
jasoncodispoti
bcavnaugh
I have always kept mine at 100.
What Motherboard(Model), CPU, and Memory(Model#) do you have? 

Motherboard, EVGA X299 Dark
CPU, Intel Core i7-9800x
Memory, Corsair Dominator Platinum 4x8GB 3200MHz C16

Corsair Dominator Platinum 4x8GB 3200MHz C16 (Model#) Not all models are the same.
Some Memory when setting the XMP Profile Changes the BCLK Setting.
You may want to Set the BCLK to 100 and then set Memory to use the XMP Profile 1 save and restart and go back into the Bios and see if it changed the Default BCLK Setting.
 
From GGTV-Jon above: Why do you feel you need to adjust the BCLK, what are you trying to achieve?
Not sure why you would want to do this as well.
 
I am using this Memory and when using XMP Profile 1 it does not change my BCLK Setting.
Corsair DOMINATOR Platinum 32GB (4x8GB) DDR4 3600 (PC4-28800) C16 for Intel 100 Series CMD32GX4M4B3600C16
post edited by bcavnaugh - 2019/04/21 17:46:02

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jasoncodispoti
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Re: Error Code FF? 2019/04/21 17:46:41 (permalink)
bcavnaugh
jasoncodispoti
bcavnaugh
I have always kept mine at 100.
What Motherboard(Model), CPU, and Memory(Model#) do you have? 




Motherboard, EVGA X299 Dark
CPU, Intel Core i7-9800x
Memory, Corsair Dominator Platinum 4x8GB 3200MHz C16


Corsair Dominator Platinum 4x8GB 3200MHz C16 (Model#) Not all models are the same.
Some Memory when setting the XMP Profile Changes the BCLK Setting.
You may want to Set the BCLK to 100 and then set Memory to use the XMP Profile 1 save and restart and go back into the Bios and see if it changed the Default BCLK Setting.




Looks like the actual model is CMD32GX4M4C3200C16. XMP is not changing BCLK at least not in my case... I was the one changing it. However thus far I have not been able to get the computer to fully post when BCLK is set to anything other than 100. I was just wanting to find out what that error code indicated to see if it would help pin point my OC issue. Any feedback\suggestions regarding BCLK OC would be appreciated if you have any to offer though.
 
Thank you! 

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bcavnaugh
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Re: Error Code FF? 2019/04/21 17:57:07 (permalink)
I am not one that Overclocks using the BCLK Settings, Sorry.
What are you setting yours at for a Starting Point?
post edited by bcavnaugh - 2019/04/21 18:08:32

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GGTV-Jon
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Re: Error Code FF? 2019/04/21 22:04:10 (permalink)
This might help you - https://xdevs.com/guide/e299ocg/#ocskx
The issue with just throwing numbers at the BCLK is that it's speed has a wide affect - Memory, Mesh, CPU core speed ect. Gone are the days of old where you bump the FSB / BCLK and get a nice little core bump
 
I actually do have mine bumped but it is something like 100.50, what numbers have you tried to run?
 
What bios version are you running?


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bcavnaugh
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Re: Error Code FF? 2019/04/21 22:15:29 (permalink)
Thanks, I could not find my link to that site. Lots and lots of info on that Site.
FF: CPU cannot initialize, too high CPU or BCLK clock. Can also be caused by power issue or too cold temperature.
 
Adaptive voltage mode is not recommended in combination with BCLK overclocking. This is because voltage calculation algorithm does not measure actual BCLK frequency, so resulting voltage likely will be too low for CPU frequency point. Only minor BCLK ranges can be used in this mode, otherwise large overvoltage offset is required.
 
BCLK adjustment, cause 2 power cycles to apply the setting
 

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Re: Error Code FF? 2019/04/22 11:34:41 (permalink)
jasoncodispoti
EVGATech_JacobB
Here is an FAQ about what different POST Codes mean: POST Codes

FF in your case is generally just indicative of a failure.
 
-Jacob B.




LOL, I dont know why, but when I read this I just busted out loud laughing... Thanks for the info! Looks like I have got some tinkering to do.  


Glad to make you laugh. :)
 
Out of curiosity, is there a reason in particular that you are trying to adjust the BCLK as of now? Are you trying to fine-tune an overclock or anything like that?
 
-Jacob B.

My System Build - Lian Li O-11 Dynamic case
Always improving. As of 02/09/19 these are my best Benchmarks: Time Spy | Time Spy Extreme | Fire Strike Extreme
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Re: Error Code FF? 2019/04/22 18:40:50 (permalink) ☄ Helpfulby EVGATech_JacobB 2019/04/23 14:01:38
Unlike consumer platforms (skt LGA11xx), BCLK overclocking on HEDT is very limited, usually just 3-5% from nominal either way. E.g. frequency like 110MHz will never work on Skylake-X CPU. This is all because internally BCLK is linked to DMI/PCIe clocks and those need to be within nominal range to function. Once they go out of spec, CPU loosing connection to PCH and whole thing sits silly in confusion, showing you last possible message "FF" on 80Port, which means "Fully Failed". Any X299 motherboard will do same, this is inherent to CPU/PCH design.
 
It is not a big problem however, as all HEDT LGA2066 CPUs are completely unlocked and you can overclock CPU, memory and mesh/ring clocks using ratios just with 100 MHz BCLK. Sometimes if you need that last 25MHz, you can apply fractional bump on BCLK, like 100.5 MHz to get desired clocks. Going over 103MHz or below 97MHz would cause lots of problems to audio/network/PCIe devices.
 
post edited by TiN_EE - 2019/04/22 18:43:38
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Leok6
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Re: Error Code FF? 2019/04/22 20:07:00 (permalink)
TiN_EE
Unlike consumer platforms (skt LGA11xx), BCLK overclocking on HEDT is very limited, usually just 3-5% from nominal either way. E.g. frequency like 110MHz will never work on Skylake-X CPU. This is all because internally BCLK is linked to DMI/PCIe clocks and those need to be within nominal range to function. Once they go out of spec, CPU loosing connection to PCH and whole thing sits silly in confusion, showing you last possible message "FF" on 80Port, which means "Fully Failed". Any X299 motherboard will do same, this is inherent to CPU/PCH design.
 
It is not a big problem however, as all HEDT LGA2066 CPUs are completely unlocked and you can overclock CPU, memory and mesh/ring clocks using ratios just with 100 MHz BCLK. Sometimes if you need that last 25MHz, you can apply fractional bump on BCLK, like 100.5 MHz to get desired clocks. Going over 103MHz or below 97MHz would cause lots of problems to audio/network/PCIe devices.
 



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bcavnaugh
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Re: Error Code FF? 2019/04/24 11:52:06 (permalink)
Contact Sam Nelson he is the only X299 Owner that may be able to help you out with using BCLK to Overclock your CPU.

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jasoncodispoti
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Re: Error Code FF? 2019/04/25 19:09:33 (permalink)
TiN_EE
Unlike consumer platforms (skt LGA11xx), BCLK overclocking on HEDT is very limited, usually just 3-5% from nominal either way. E.g. frequency like 110MHz will never work on Skylake-X CPU. This is all because internally BCLK is linked to DMI/PCIe clocks and those need to be within nominal range to function. Once they go out of spec, CPU loosing connection to PCH and whole thing sits silly in confusion, showing you last possible message "FF" on 80Port, which means "Fully Failed". Any X299 motherboard will do same, this is inherent to CPU/PCH design.
 
It is not a big problem however, as all HEDT LGA2066 CPUs are completely unlocked and you can overclock CPU, memory and mesh/ring clocks using ratios just with 100 MHz BCLK. Sometimes if you need that last 25MHz, you can apply fractional bump on BCLK, like 100.5 MHz to get desired clocks. Going over 103MHz or below 97MHz would cause lots of problems to audio/network/PCIe devices.
 




This... this is why I love EVGA, getting replies from the people that are actually making the products! Thanks really appreciate the information!  

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jasoncodispoti
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Re: Error Code FF? 2019/04/25 19:19:37 (permalink)
EVGATech_JacobB
jasoncodispoti
EVGATech_JacobB
Here is an FAQ about what different POST Codes mean: POST Codes

FF in your case is generally just indicative of a failure.
 
-Jacob B.




LOL, I dont know why, but when I read this I just busted out loud laughing... Thanks for the info! Looks like I have got some tinkering to do.  


Glad to make you laugh. :)
 
Out of curiosity, is there a reason in particular that you are trying to adjust the BCLK as of now? Are you trying to fine-tune an overclock or anything like that?
 
-Jacob B.



No particular reason, was just something that I have not previously experimented with and found little information on regarding its impact on performance so I figured I would give it a try to see what happens. I was able to get the system to POST and boot into windows after changing some of the settings for the memory (RAM). However tests so far have actually shown a decline in performance it would appear as TiN pointed out that this is best used for fine tuning an OC to get that little extra bump.  
 
 

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jasoncodispoti
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Re: Error Code FF? 2019/04/25 19:22:24 (permalink)
GGTV-Jon
This might help you - https://xdevs.com/guide/e299ocg/#ocskx
The issue with just throwing numbers at the BCLK is that it's speed has a wide affect - Memory, Mesh, CPU core speed ect. Gone are the days of old where you bump the FSB / BCLK and get a nice little core bump
 
I actually do have mine bumped but it is something like 100.50, what numbers have you tried to run?
 
What bios version are you running?




I had checked that site as well, good information there! Thank you though! 

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