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*Official* Intel DDR4 24/7 Memory Stability Thread - Page 579

post #5781 of 6333
Quote:
Originally Posted by l Nuke l View Post

Starting to overclock my ram.kit is gskillz trident 3600 cl15 2x8. Manual set timings to 15 15 15 35 1t and speed to 3600.dram voltage @ 1.35 eventual dram voltage 1.32 sa and vccio @ 1.25.I got gsat running right now in windows bash so far everything is good. What should be my next step? Also tfrc is at auto of 535

Hello

A CPU with a decent IMC will run that configuration with SA and IO set to 1.0V or lower. Also no need to be offsetting boot/eventual memory voltages.
post #5782 of 6333
Quote:
Originally Posted by Silent Scone View Post

Depends on the board, too. I managed CAS16 4000 on mine with good subs.

Scone, can you post BIOS screenshots with your System Agent, VCCIO, RAM voltages and your timings and sub timings?

I have 4000 17-18-18-38 2T stable at 4000MHZ with everything else on Auto.

Can't get it to boot at 1T on this G-Skills CL14 3200 b-die. redface.gif
    
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post #5783 of 6333
Clocked my cache conservatively since I'll encode videos a couple of times that'll add abit to the temps.




NEW ENTRY
encrypted11--i78700K VCore---1.36V (BIOS)@5.3/4.7@---4000MHz-C16-17-17-38-1T----VDIMM1.40v (BIOS)---SA 1.15v (BIOS)---IO 1.02V (BIOS)---Stressapptest (Mint 18.1)----5 Hour
Samsung B-die G.SKILL TridentZ F4-3200C14D-16GTZKW
Start


End

Edited by encrypted11 - 12/17/17 at 3:39pm
    
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post #5784 of 6333
Forth timings are on auto
    
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post #5785 of 6333
What should my trfc be?
Ram@4200mhz16t 16t 16t 36t 535t(auto)1t
Dram 1.45v, sa 1.25, vccio 1.26
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post #5786 of 6333
New Entry:

l Nuke l --- 8700K@5.0/4.7--asus maximus x apex --- 2x8GB G. Skill 3600c15 kit @ 4200-C16-16-16-36-1T. 1.45V dimm, 1.26V vccio, 1.25V VSA (bios 0802) 1h WGSAT

start-

end-
Edited by l Nuke l - 12/16/17 at 6:52pm
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post #5787 of 6333
I have this weird problems again after changing few things, running 4133Mhz with these values (in OS):

Vdimm 1.456
IO 1.256
SA 1.264

150% HCI passed for a fast test, but there is something wrong on boot training, I have like 30-60s until POST. Already tried to set higher Boot IO/SA, same result. Any idea what could help?

post #5788 of 6333
After trying out every voltage I remembered someone said about USB slowing down POST times. My mouse is connected to front USB, after unplugging it, POST time is about 3 seconds. Why the heck does it slowing POST time?
post #5789 of 6333
Quote:
Originally Posted by frgntz View Post

After trying out every voltage I remembered someone said about USB slowing down POST times. My mouse is connected to front USB, after unplugging it, POST time is about 3 seconds. Why the heck does it slowing POST time?
Since USB mouse/keyboard are now standard (in place of PS/2), they enumerate USB devices to make them available to the "console" provided by the BIOS (so you can hit F2/DEL 50 times and hope you get into the bios wink.gif ).

If the firmware or hardware involved is broken or has a large timeout or unexpected response to inquiries from the BIOS during discovery, then... it takes a while.

x299 Asus boards seem better than x99, but they've been very picky about hardware for a while. I've just become accustomed to adding new USB devices one-by-one to a new system make sure none of them cause fatal problems.
post #5790 of 6333
lilchronic - 8700K @ 5.2Ghz / 4.9Ghz cache @ 1.375v LLC 5 - 2x8GB @ 4200Mhz CL17 @ 1.425V DRAM - VCCIO 1.15v - VCCSA 1.2v - 640% HCI
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