ASRock A320M DGS Memory Problem

TrufflesG

Distinguished
Jul 7, 2011
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18,695
ASRock A320M-DGS
AMD AM4 A10-9700
2 Sticks Corsair Vengence LPX RAM 8GB ea, DDR4 240Mhz

The problem is that BIOS only shows Single Channel Memory Mode

But shows this......

DDR4_A1 8192MB
DDR4_B1 8192MB

And....it's horribly slow. For example it takes several minutes to render a square on the screen

15 - 20 minutes to completely show Ubuntu Home screen

Do I have a defective board maybe?
 
Even if the memory was only running in Single Channel Mode you should not see a big difference in speed.

1. Try clearing the CMOS.
2. Try running with just 1 stick of RAM to see if it makes any difference.
3. Try installing a different version of Linux, such as Mint. It may have better drivers for your hardware.