Any one know the solution other than RMA for ASUS RIVE only seeing 3 out of 4 DIMMS?

[alkemyst]

This seems like a common problem with the Asus RIVE.

Most are guys only getting 12GB out of 16GB, and then others like my dad only getting 24GB out of 32GB.

The RAM works fine stick by stick.

X.M.P. Setting and manual voltage was used.

EZBoard Power was tried as well.

He updated to the latest BIOS.

He is using a H100i and it was loosened slightly per some recommendations.

His PSU is an Antec 1300

Many say this is a bent cpu socket pin issue. I didn't see any bent pins and don't see how everyone would be bending the same set of pins and only having a problem like this one.

Everything else runs right. We were able to install windows and all the drivers, but an RMA looks like the only solution.


Anyone have this issue and fix it?

 

[bankster55]

You have to use a 32GB quad channel KIT (not 2 X16GB kits) to be sure that the sticks were tested together as functional. Ram can be single or double sided and drams of dif densities, or from dif vendors on dif manuf runs. This is 90% of these type issues. I currently use Crucial ballistix sport DDR3 1600 4 X 8GB kits on my R4E builds. Its all Micron.
For example GSkill makes no drams.

The next things I would do is:
Take mobo out of case
Temp use the stock Intel heatsink
With CPU out use 5X or greater 3" diameter magnifying glass on pin grid - and yes folks do drop the CPU in lower left and lower right corner of grid.
Take battery out, unplug PSU and leave overnight
Look for burnt areas on back of mobo on all RAM grid soldered areas

Fwiw the manual shows the desired populations of RAM slots with dif numbers of sticks
Could also up the RAM voltage to 1.6 as a test for 1.5V RAM - cant hurt


http://forums.overclockers.co.uk/showthread.php?p=21172163
http://rog.asus.com/forum/showthrea...ows-24gb-at-1600-mhz-but-32gb-at-1333mhz-WTH&

Could also make sure bios is 4403
http://support.asus.com/Download.as...SUS-4403.zip#Rampage-IV-Extreme-ASUS-4403.zip

 

[alkemyst]

Everything in the previous post is correct. He has an RMA with newegg now, I am going over to look at the socket later. I installed the chip, I have done a ton

 

[bankster55]

better take a good high res picture of the pin grid before you ship
theres a 19 page thread on another forum how NE blames mobo probs on bent pins and sends untouched mobo right back - WITH obviously bent pins

(Just passing on what I have read)

 

[alkemyst]

better take a good high res picture of the pin grid before you ship
theres a 19 page thread on another forum how NE blames mobo probs on bent pins and sends untouched mobo right back - WITH obviously bent pins

(Just passing on what I have read)

Is there a link? I will forward the information on.

 

[bankster55]

http://hardforum.com/showthread.php?t=1694667

hmmm, its up to 24 pages now

 

[PhIlLy ChEeSe]

@Alkemyst,
Are you overclocking? You have a prebuilt water cooler on a $500 motherboard, and overclocking. The IMC is on the CPU, extra memory puts stress on the IMC/CPU.
http://www.gskill.us/forum/showthread.php?t=10512

IMC (Integrated Memory Controller)

The results for IMC (memory divider frequency scaling) varies considerably. Most CPUs will hold 1600 in full 8 DIMM without issue although considerations for adjusted subtiming and VCCSA and VTT voltages will need to be considered as variance will come into play. It is

important to keep in mind profile specifications such as XMP are defined for broad / worst case CPUs as well as lower quality boards as such values defined may be inefficient (and in some cases overtly aggressive causes stability issues).

In addition for long term CPU lifespan and reduction of draw and heat considerations VCCSA and VTT value of 1.100 are advised. When exceeding 1600 speeds 1.150 to 1.200 may be required for 1866+ it is strongly advised you attempt lower operating voltage levels first and if all possible maintain 1.100 as your maximum. Considerations for defining and maintain a 1.200 can be considered but are still under analysis currently ASUS has reached frequencies in excess of 2800 in full 8 DIMM population when the quality of the IMC is high. Highest DRAM scaling has been achieved with 1.300 to 1.400 with currently no signs of issues until more analysis is completed though it is still only advised to use up to a maximum of 1.200v with an ideal recommendation for 1.100.

(In most situations most IMCs will not have an issue scaling up to 2133 in at least 4 DIMMs) when considering 8 DIMMs please consider validated minimum closer to 1600.
Some items to reference regarding how to bin/range your IMC are detailed below.