chupalt
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I've got a z690 classy/13900K and G.Skill Flare S5 (6000 CL30-40-40-96 1.35V) with m.die. I'm suffering from BSOD when I try to enable XMP. I've tried bios versions 2.03 and 2.08 with the same results. I've also tried setting XMP and then clocking down to 5600 and 5800 MHz with the same results (BSOD). Bios settings are default with the exception of trying to select XMP.
Is there anything else I can try to get some performance above the default JEDEC settings? Realizing that DDR5 + 13th gen XMP is a whole different thing. In the past I've always just selected XMP and been fine.
Thanks for the help.
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Cool GTX
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 07:11:08
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☄ Helpfulby chupalt 2023/01/30 10:21:40
might have to adjust CPU Voltage settings for the IMC & RAM many times (I do not have a z690) the auto setting even with XMP - does not set the correct OC voltage for the RAM Memory controller is inside the CPU .... IMC voltage & possible other settings need to be adjusted lastly - maybe you lost on the silicon lottery - CPU IMC just cant OC (XMP) - past Intel's stated memory clocks Intel site - Memory Types Up to DDR5 5600 MT/s  Does the GSkill site list this RAM for that MB? Results of my search the tool to see what GSkill recommends = RAM Configurator - G.SKILL
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rulik006
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 07:17:57
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☄ Helpfulby Cool GTX 2023/01/30 07:19:55
CPU VDDQ TX - 1.20v
VDD2 - 1.33v
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chupalt
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 10:23:58
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Cool GTX
might have to adjust CPU Voltage settings for the IMC & RAM
many times (I do not have a z690) the auto setting even with XMP - does not set the correct OC voltage for the RAM
Memory controller is inside the CPU .... IMC voltage & possible other settings need to be adjusted
lastly - maybe you lost on the silicon lottery - CPU IMC just cant OC (XMP) - past Intel's stated memory clocks
Intel site -
Does the GSkill site list this RAM for that MB?
the tool to see what GSkill recommends =
I appreciate the help. The memory is listed as supported on the GSkill site. The OC voltage is being set correctly for the RAM (1.35V). I wish I could hit 5600 MT/s, but not even that is stable. I'm giving increasing IMC related voltages a go.
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chupalt
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 10:26:43
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rulik006
CPU VDDQ TX - 1.20v
VDD2 - 1.33v
Thanks for the help. I tried setting those voltages along with my RAM's XMP settings (6000 CL30-40-40-96 1.35V) and I still got a BSOD within minutes of logging into Windows. Are there any other Bios settings I should be changing from the defaults in 2.08? Thanks!
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B0baganoosh
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 10:32:20
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I didn't see you call it out. Are you running 2 DIMMs or 4?
6Q6CPFHPBPCU691 is a discount code anyone can use. i9 13900k - EVGA Z690 Classy - Nvidia RTX 4090 FE - G.Skill 32GB DDR5-6000 - WD SN850 2TB NVMe Gen4 - Be Quiet! Straight Power 12 1200W - Be Quiet! Dark Base 900 Pro. MO-RA3 420 Pro. Dark Palimpsest MODS RIGS post for build notes.
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rulik006
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 10:33:50
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Maybe RAM is defective, check with Memtest86 at stock 4800 And memory is Flare X5 or Ripjaws S5? Because Flare X5 not working properly on Z690 Classified for sure
post edited by rulik006 - 2023/01/30 10:39:20
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chupalt
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 10:52:21
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B0baganoosh
I didn't see you call it out. Are you running 2 DIMMs or 4?
Sorry didn't mention that. 2 DIMMs. They are placed in slots 2 and 4.
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chupalt
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 11:03:15
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rulik006
Maybe RAM is defective, check with Memtest86 at stock 4800
And memory is Flare X5 or Ripjaws S5?
Because Flare X5 not working properly on Z690 Classified for sure
Okay. Going to run memtest86. It's Ripjaws S5. This one.
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chupalt
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/30 18:18:48
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I ran memtest86 on the stock settings and it was fine.
If I set the XMP settings, memtest86 fails even at 4800 (clocking down from 6000 to 4800 - all fail). It's either something with the XMP timings or the 1.35V XMP setting. Running out of ideas. I ordered a set of A die memory to try as well.
Not sure if I should try loosening up the timings or decreasing the memory voltage. I've tried increasing the memory voltage to 1.4V and that was no good. Seeing as how the XMP timings fail with 1.35V even at 4800 MHz, makes me think more voltage isn't going to fix the problem.
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rulik006
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/01/31 05:25:53
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☄ Helpfulby chupalt 2023/02/01 05:08:11
chupalt
I ran memtest86 on the stock settings and it was fine.
If I set the XMP settings, memtest86 fails even at 4800 (clocking down from 6000 to 4800 - all fail). It's either something with the XMP timings or the 1.35V XMP setting. Running out of ideas. I ordered a set of A die memory to try as well.
Not sure if I should try loosening up the timings or decreasing the memory voltage. I've tried increasing the memory voltage to 1.4V and that was no good. Seeing as how the XMP timings fail with 1.35V even at 4800 MHz, makes me think more voltage isn't going to fix the problem.
ok, do not use XMP then. manual OC CPU VDDQ TX - 1.20-1.25vVDD2 - 1.33v6400 VDD- 1.43v/ VDDQ- 1.38v32-39-39-51 tRDD L/S - 8 tRFC2 - 384 tRFCpb - 304 tREFI - 52000 tWRRD_SG - 60 tWRRD_DG - 48 tWRWR_SG - 24 Rest is auto, board will do good subs This easy safe settings for Classified + M-die  (disquscdn.com)) 
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chupalt
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/02/01 05:20:14
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rulik006
chupalt
I ran memtest86 on the stock settings and it was fine.
If I set the XMP settings, memtest86 fails even at 4800 (clocking down from 6000 to 4800 - all fail). It's either something with the XMP timings or the 1.35V XMP setting. Running out of ideas. I ordered a set of A die memory to try as well.
Not sure if I should try loosening up the timings or decreasing the memory voltage. I've tried increasing the memory voltage to 1.4V and that was no good. Seeing as how the XMP timings fail with 1.35V even at 4800 MHz, makes me think more voltage isn't going to fix the problem.
ok, do not use XMP then. manual OC
CPU VDDQ TX - 1.20-1.25v
VDD2 - 1.33v
6400 VDD-1.43v/ VDDQ-1.38v
32-39-39-51
tRDD L/S - 8
tRFC2 - 384
tRFCpb - 304
tREFI - 52000
tWRRD_SG - 60
tWRRD_DG - 48
tWRWR_SG - 24
Rest is auto, board will do good subs
This easy safe settings for Classified + M-die
I really appreciate the time to provide this information. I tried these settings got errors in memtest86 within seconds. I then tried the same timings and voltages at 6000 MHz and had the same result. Not sure if my IMC is weak or if the memory I have is just incapable of high clock rates. I have a set of A die coming tomorrow (6400 CL32-39-39-102 1.40V). I'll probably give that a try next.
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Delirious
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/02/01 07:05:40
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☄ Helpfulby Cool GTX 2023/02/03 09:19:19
bumping up vsa can help too
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chupalt
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/02/03 09:10:35
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☼ Best Answerby Cool GTX 2023/02/03 09:18:43
Tried bumping up the vsa and no luck. I put the A die (6400 CL32-39-39-102 1.40V) into the system and it runs stable with XMP and no other changes. I think that other set of RAM was just bad.
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Cool GTX
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Re: z690 classy + 13900K + G.Skill M die XMP instability
2023/02/03 09:18:34
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chupalt
Tried bumping up the vsa and no luck. I put the A die (6400 CL32-39-39-102 1.40V) into the system and it runs stable with XMP and no other changes. I think that other set of RAM was just bad.
 you figured out the RAM was the issue - Congrats
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