ASUS non QVL RAM problem

houek · Oct 30, 2013

Hi all. At first sorry for my poor english.
Today I bought ASUS P8Z77-V LX2 motherboard. The problem is RAM detection, I think.
I installed just CPU (Intel i5 3750k) and RAM but BIOS (POST) didnt start. Fan on CPU is working continously after power on. No error beep, just black screen (monitor still in sleep mode). When I take out RAM and power on, is beep 1 long 2 short - no memory. At now I have two different memory: PATRIOT Viper II 2x2GB kit - PV234G1600LLK and PATRIOT Sector 5 2x2GB kit - PVV34G2400C9K from my old motherboard ASUS P8P67 Deluxe. Both of it are on QVL of P8P67 but today i bought new MB and after check i dont see my memory on QVL of P8Z77. I tested many configurations with sockets (as a pair, as one, in all sockets) without result. I do clear RCT. Where can be a problem?
For summary:
MB: ASUS P8Z77-V LX2
CPU: Intel i5 3750k
RAM: PATRIOT Viper II 2x2GB kit - PV234G1600LLK
RAM: PATRIOT Sector 5 2x2GB kit - PVV34G2400C9K
PSU: OCZ coreXtream 500W
GPU: Gigabyte R9 280X (tested with it and without it)

smorizio · Oct 30, 2013

http://www.newegg.com/Product/Product.aspx?Item=N82E16820220407
the first ram is 1.9v the intel cpu memory controller max spec is 1.65v for it to run right it looking for ram that 1.5v

smorizio · Oct 30, 2013

http://www.newegg.com/Product/Product.aspx?Item=N82E16820220488
this ram should post as 1333/1600 ram in your mb.
check on your mb that the eight pin power plug on the outside edge is plugged in. use one dimm and no gpu. make sure the mb brass standoffs were used and the mb not shorting out to the mb tray or the rear io shield.

houek · Oct 30, 2013

OK but what about second pair Sector 5 - it is 1.65V I forgot to write the both memory was tested today on other PC and working fine.

houek · Oct 30, 2013

smorizio :

I have only 4-pin CPU power and 24-pin main power socket.
Standoffs in place. MB is shorting case just through rear sockets cover.

smorizio · Oct 30, 2013

try posting it on a desk with one dimm and no gpu if it posts there a dead short. if not try using a 1600 speed dimm at 1.5v.

houek · Oct 30, 2013

Tommorow I will ask some friends about 1.5V memory because i haven't.

houek · Nov 4, 2013

There was a problem with motherboard, more precisely, the RAM slot. MB was replaced and now the Sector 5 RAM works well.

Now the question is, can I put both pairs (these as I wrote before)? How to set the BIOS to perform optimally? At the moment I installed only Patriot Sector 5 and CPU-Z shows DRAM Frequency ~535MHz - is this correct?
I would like to get the optimal parameters for the use both memory together. Without much overclocking. At now in BIOS memory settings is "Auto".

smorizio · Nov 4, 2013

in the bios set it to xmp profile. one set of ram may not work as it rated at 1.9v the new intel cpu look for 1.5v or less. your also running two diffrenrt speed ram. your better off returning all and picking up one 8g kit.

Tradesman1 · Nov 4, 2013

smorizio :

------------------------------------------------------

+1

houek · Nov 5, 2013

I was hoping that it will work at a lower voltage, with slightly lower performance. I can't return this Sector 5 because I bought used. Viper II I borrowed from my friend to check, so if they do not work together, it will give back to friend.

"At the moment I installed only Patriot Sector 5 and CPU-Z shows DRAM Frequency ~535MHz - is this correct?"

smorizio · Nov 5, 2013

cpu-z shows ram running at it stock speed. ddr-2/3 ram in cpu-z times the numbers by two. 533 is 1066. 667 would be 1333. 800 would be 1600.

houek · Nov 5, 2013

OK, those memory is 2400 so how I should to set it up correct?

smorizio · Nov 5, 2013

go under dram speed under ai tunner set it from auto to xmp profile.

houek · Nov 5, 2013

I'll check but as I remeber, in BIOS I can choose "Auto" or manually 1033, 1600... etc. It's UEFI BIOS

Tradesman1 · Nov 5, 2013

In the BIOS should be an option for XMP, select it and then select Profile 1

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ASUS non QVL RAM problem

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