help with ASUS|M5A99FX PRO R2.0, and nas hdd as well as ram

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dryden

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Aug 28, 2014
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my build is:

Motherboard: AsusM5A99Fx
cpu:fx8320
gpu:ASUS DirectCU II R9280-DC2T-3GD5 Radeon R9 280 3GB
ram: GSKILL F3-10666CL9D-16GBXL
hdd1:Kingston SSDNow V300 Series SV300S37A
hdd2:Seagate NAS HDD ST2000VN000 2TB 64MB Cache SATA 6.0Gb/s Internal Hard Drive

I keep running into a few problems.
The first problem is that the computer ocasionally refuses to boot with the memory sticks in. Some times it will boot with one in and sometimes it will boot with two in and i have no idea why some times it works and some times it dosen't. The other problem i have is that i can not detect either hdd. I'm affraid that it might be a problem with the 2tb drive being a nas drive.

Thanks for your help in advance.
-dryden
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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Do you have both drives connected on the same SATA cable? If so, put each drive on it's own cable. Also, you make no mention of your power supply which is always the most important component in any system. What is the brand and model of your power supply?
 
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dryden

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Aug 28, 2014
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No I did not connect them using the same cable. It's a CORSAIR HX750 750W the total draw of all of my components isn't close to 750 watts. I got the computer to boot by taking out one of the ram sticks. It boots with one in there but it is a little unstable. If anybody could tell me how to adjust the bios settings for both sticks of ram that would be very appreciated because I havn't gotten it to work yet. sorry for the late reply.
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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Install both sticks of RAM and go into the BIOS and choose the reset default or optimal settings option. Try to reboot. If it fails, remove one of the sticks (Making sure the single remaining stick is in the correct slot designated by the motherboard OEM in the user manual for single module operation) of RAM and download memtest86. Run memtest on the module for a minimum of 4 and preferably 7 passes.

This may take several hours. If it passes, repeat the procedure with the other module. Whichever module (Or both) that fails to pass should be replaced. Also, passing memtest is no guarantee the module is good, however, failing memtest when testing a single module is almost always accurate proof that the module is bad. (Testing more than one module at the same time can cause false positives)

If you already know one module is bad then make sure the remaining module is installed in the correct slot designated for single module operation in the users manual and boot to windows to see if the problems continue.

As far as the NAS drive goes, how is it connected? Is it connected via SATA or is it connected via Ethernet cable?
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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Check the BIOS and look at the DRAM timings, make sure they are at 9-9-9-24 and DRAM voltage is at 1.5, and Command Rate/Timing is at 2N (or 2T), not at 1 T or N...if they are at default may be off, if still problems try DRAM voltage at 1.55 and raise the CPU/NB voltage to 1.2 - Amd bases much of it's settings on 4GB sticks, so 8GB adds a bit of extra load and might need to be compensated for
 
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dryden

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Aug 28, 2014
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Yes are those bios settings for just 8gbs of ram( 1 stick) or is it for both sticks and the full 16 gb of ram. I noticed that when i turned down the power to the graphics card that the build became very unstable. I think most of windows eight was just running off of the graphics card. I will try every thing and see if it works. I was reading up on these motherboards and it seems like its not uncommon for the dram controller to be bad. I will try these things and if it dosen't work im going to return and replace the board and memory. Thanks for the help i will let you know what happens.
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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Quite often it's not so much the MC (memory controller) is 'bad' in a physical sense, more it's 'bad' in a performance sense - the MC itself is much weaker than those in Intel CPUs, AMD hasn't done much with their MCs in years towards improving them, and they base things on max, being 2 sticks i.e. the top FX CPUs are rated UP TO 1866 at 1 STICK PER CHANNEL or two sticks total - (and that was based on testing with 4 GB sticks)
 
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