Asus Sabertooth Z97 Mark 2 continually reboots and does not post with more than 1 DIMM

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Littletom

Reputable
Oct 10, 2014
4
0
4,510
New system build

2 of Crucial Ballistix Tactical Tracer 8GB Kit (4GBx2) DDR3 1866 MT/s (PC3-14900) CL9 @1.5V UDIMM 240-Pin BLT2KIT4G3D1869DT2TXOB
2 Crucial Ballistix Sport 16GB Kit (8GBx2) DDR3 1600 MT/s (PC3-12800) CL9 @1.5V UDIMM 240-Pin Memory BLS2KIT8G3D1609DS1S00
ASUS ATX DDR3 2600 LGA 1150 Motherboards SABERTOOTH Z97 MARK2
Intel Core i7-4790K Processor (8M Cache, up to 4.40 GHz) (BX80646I74790K)
Cooler Master Trooper (Rev. 2) - Full Tower Gaming Computer Case with Windowed Side Panel and Carrying Handle
Cooler Master Hyper 212 EVO - CPU Cooler with 120mm PWM Fan (RR-212E-20PK-R2)
Antec High Current Gamer HCG-620M, 80 PLUS BRONZE, 620 Watt Modular Power Supply
EVGA GeForce GTX760 SuperClocked w/EVGA ACX Cooler 2GB GDDR5 256bit, Dual-Link DVI-I, DVI-D, HDMI,DP, SLI Ready Graphics Card (02G-P4-2765-KR) Graphic

I have spent many hours on this. I am going to return the motherboard unless someone has an idea for me.

Runs fine with just one 8GB DIMM or 1 4GB DIMM. Any more than that and it just reboots. Also the MEMok button does not seem to work as the manual states. When pressed it just reboots the system.
 
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Littletom

Reputable
Oct 10, 2014
4
0
4,510
After the above posting, I was presented to some links I had not seen before. One of the moderators recommended reseating the heat sync/cooler. I'll try this tonight and post back if it works. Thanx,
 
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Littletom

Reputable
Oct 10, 2014
4
0
4,510
Based on prior postings about this issue, I can confirm the CPU cooler was the issue.
I do not believe this cooler is compatible with the 1150 socket.
Cooler Master Hyper 212 EVO - CPU Cooler with 120mm PWM Fan (RR-212E-20PK-R2)
Removing this and insalling the cooler that came with the CPU solved the issue.

Notes:
I spent a long time trying to adjust the 212 EVO, but it would never work. After closer inspection the bottom plate seems to large for the 1150 socket on the motherboard and causes uneven pressure to the CPU, which in turn causes a lot of issues with the system.
Now... my motherboard could also be not within specs to I suppose. Maybe someone else with the exact motherboard would not have this issue?

Summary:
Don't use
Cooler Master Hyper 212 EVO - CPU Cooler with 120mm PWM Fan (RR-212E-20PK-R2)
with
ASUS ATX DDR3 2600 LGA 1150 Motherboards SABERTOOTH Z97 MARK2

Lastly, I wish I would have done a little more research. I probably would have purchased the MARK 1 version.

 
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