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ASUS X99 Motherboard Series - Official Support Thread (North American users only) - Page 993

post #9921 of 15866
Hey all, I've got an x99-A here with a 5930k and I'm having trouble getting the system to see all 32gb of my corsair lpx 2400mhz kit with xmp enabled. At default settings it's working not problem but as soon as i turn xmp on the bios only detects 24gb. I've tried another kit of the same stuff, I've tried raising DRAM voltage to 1.25v and system agent voltage to 1.2v with no luck. At stock 2133mhz it works no problem. Any ideas? I'm on bios 1901.
post #9922 of 15866
Quote:
Originally Posted by gotovato View Post

Hey all, I've got an x99-A here with a 5930k and I'm having trouble getting the system to see all 32gb of my corsair lpx 2400mhz kit with xmp enabled. At default settings it's working not problem but as soon as i turn xmp on the bios only detects 24gb. I've tried another kit of the same stuff, I've tried raising DRAM voltage to 1.25v and system agent voltage to 1.2v with no luck. At stock 2133mhz it works no problem. Any ideas? I'm on bios 1901.

Try the following not in any particular order, reseating the DIMMs and CPU whilst checking for even mounting pressure, increase DRAM voltage further, up to 1.35v although this much should not be needed. Try a System Agent voltage of 0.900 to 1.05v.
post #9923 of 15866
Quote:
Originally Posted by RyuConnor View Post

You made a point of wanting the question answered.

The question has been answered.

i repeated a starting point question to diagnose as you had said it was failing POST. I didn't expect to get a response saying you'd already been through umpteen processes with ASUS and already RMA the board, little point continuing in that case. wink.gif
post #9924 of 15866
Quote:
Try a System Agent voltage of 0.900 to 1.05v.

Why mine shows 1.168 - didn't touch anything. Is it too high?

post #9925 of 15866
Thread Starter 
If the system is overclocked, the voltages will increase when left on Auto. The memory is overclocked, so not surprising SA is at 1.168V
post #9926 of 15866
Quote:
Originally Posted by Raja@ASUS View Post

If the system is overclocked, the voltages will increase when left on Auto. The memory is overclocked, so not surprising SA is at 1.168V
Overclock my x99 pro / 5820K rig for me raj! 😎💯
post #9927 of 15866
Finally I could OC my ram. 1,35 V - 16-16-16-36 - 3200Mhz (original 1.2V - 15-15-15-35 - 2666Mhz)

I said finally, because always crashed when bios starts. Really strange board... Sometime gives voltage for one channel, sometimes can't give. Most of the time Qcode was b7 - 6d - 6f etc. and just waits. Reboot doesn't work...

I read in somewhere (an advice) give voltage from Dram Timings Section. So I did like that - 1.35V for both channels. Than checked from AI Tweaker page, voltage was 1.35 for both channel. Than I did go for 2933Mhz 17-18-18-37 (that was given by board auto) Than lowered timings 16-16-16-36 - worked but worse than 2666Mhz (especially Read - Write) (Aida64 Test) So I did try 3200Mhz and better than both 2666 and 2933

2933Mhz



3200Mhz


I'm wondering - My CPU works at 4400Mhz with auto voltage which is 1,291V - What must be CPU cache max - min. Looks those effects Northbridge Clock, mine is auto for now.

ANd want to ask I want to try ASUS Stress Test. I've 16GB ram - Which one should I choose from memory section - 4GB or 16GB ? Leaving it default is ok (4GB) ?
Edited by DJ_OXyGeNe_8 - 11/7/15 at 2:31am
post #9928 of 15866
Wish Asus would make bios backups cross compatible between versions. Bios Q-Fan tuning is a hit or miss and takes easily an hour or more to reconfigure. Sometimes it reads the minimum fan speed as 400, sometimes 800, sometimes it doesn't even exist at all apparently. Works beautifully when it actually works though.
post #9929 of 15866
Asking too many question, sorry; confused about CPU SVID Support - don't know what is this

Book (user guide) says - enable this item when overclocking

Bios says - disable this item when overclocking

!!?
post #9930 of 15866
Quote:
Originally Posted by sblantipodi View Post

the option in this menu:



is disabled and grey out:


is it normal that my NVMe bios setting is disabled also if I'm using a Samsung 950 PRO M.2 drive?
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DeskStar
(16 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 5930K Asus X99 Deluxe EVGA GTX980 Ti SC+ ACX2.0+ SLI 4x4GB Corsair Vengeance LPX 2800@2666MHz 15-15-... 
Hard DriveHard DriveHard DriveHard Drive
Samsung 950 PRO NVMe M.2 512GB Samsung 850 EVO 1TB Western Digital Black 2TB Corsair Force GT 240GB 
Optical DriveCoolingOSMonitor
Plextor PX-B320SA Blu-ray Corsair H80i AIO Windows 10, CentOS 7 EIZO S2433W 24.1" 1920x1200 60Hz 
PowerCaseOtherOther
Corsair AX860i Lian-li PC7FNWX Gigabit Internet Cyberpower Smart UPS PR1500ELCD 1500VA/1350W Si... 
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