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Weird RAM Issue

539 Views 4 Replies 4 Participants Last post by  crjdriver, 
Fordly88
Hello, I have an odd issue with some ram that I installed in my desktop PC. I have gone through all my knowledge and haven't been able to resolve the issue.

PC specs:
off the shelf CyberpowerPC GUA2600BST
motherboard: GA-AX370M-DS3H
I had to switch out the graphics card from the AMD Radeon RX 580 to my Nvidia Quatro 580 (the AMD was having issues with the display ports)
And I was trying to upgrade the 8 gigs to 32. I bought and installed a pair of Corsair LPX 16gb DDR4 RAM (3200 MHz).

I double check the speeds and capacity of the motherboard, says it can handle DDR4 3200 and 2400 MHz memory modules. the old one is 2400, the new Corsair are 3200Mhz. says that it can handle up to 64gb (4x16gb)

After completely turning off the computer, I puled out the old RAM (a single off-brand 8gb stick) and installed the Corsair (double checking seating and channel{installed on separate channels}). closed it up and turned it on. Boots up and I am able to log in. go to system settings to view RAM availability and it says 16gb. I'm thinking one is not set properly, power down and double check. same thing. power down and remove one, boots up, I log in and check RAM availability. 8gb....... ????..... so I check if there is a choke on the RAM through MSCONFIG. no maximum memory setting, all greyed out. but I clear it anyways and reboot. F12 to open BIOS. check the memory settings..... its reading the RAM at ~2100 MHz and 8gb.... I shut down and install the second stick of Corsair, F12 into BIOS, reading 16 gb at ~2100 MHz.......

just for S&Gs I power down and install the off brand as well, putting the corsair in parallel and the off brand on its own channel. boot up and check the RAM through the windows settings, 24gb (7.8gb available).....

What am I missing to get this reading properly?
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managed
Using just the 2 new Ram sticks they should in DDR4_2 and DDR4_1 sockets, these are the second and fourth sockets away from the Cpu.

In the motherboard manual see P. 9/10 for which sockets to use with 2 Ram sticks and P. 4 for their location, you can download the manual here of you don't have it :- https://www.gigabyte.com/Motherboard/GA-AX370M-DS3H-rev-1x/support#support-manual
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2twenty2
This from the manual

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Fordly88
I will give that a shot, I tried a a few different placements to cross check, but i will set them in channel 1 and get back to you.

That still doesn't answer the conundrum when I only had one 16gb stick installed and it was reading it at a slower speed and at 8gb.

I will try the placement from the manual and update, but the system never reading one stick correctly is concerning me.
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crjdriver
The first gen ryzen boards were VERY picky in regard to ram. This issue has been [mostly] fixed with bios updates. If you are not running the latest bios, I would update to the latest one. IF you decide to update the bios, read ALL of the notes. You cannot just update to the latest one in one step; you must update to whatever is outlined in the notes then the next one and so on.

It is normal for new ram to default to 2133 speed. You must either use xmp OR set speed, timings, and vdimm [ram voltage] manually.

The following is just my opinion however I have worked on a number of cyberpower systems lately. IMO they are pretty low quality. Usually they have a low end motherboard, a cheap pw supply, a decent video card and a case with a lot of lights.
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