Casey Bralla on 20 Apr 2019 13:56:17 -0700


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[PLUG] Memory Problem on New Build

I'm putting together a Ryzen 7 2700x system, but I'm getting a memory
error when trying to boot.  Could some of you fine nerds help me
troubleshoot this?

I got an Asrock X470 motherboard that has a 2-digit BIOS boot
indicator.   I've put in 4) DDR4-3000 16 GByte SIMMS.  To power it, I
got a 750 Watt Thermaltake power supply.  The motherboard has sockets
for a 8-pin AND a 4-pin power connection, but the power supply only has
an 8-pin plug.  The 4-pin I left empty.

Booting brings up the groovy RGB lighting on the motherboard and all the
fans, but the display quickly reads "b0", which the manual translates as
"Problem relating to memory".

I've got a couple of hypothesis, but all require swapping components to
test.  Would you let me know if you think these are likely, or if I
might have missed something.

1.  The motherboard needs the extra 4-pin 12 volt source, and/or 750
watts isn't enough to bring up the memory.  I tried removing half the
memory and also the video card, but that did not help.  I also built a
cable to steal power from the PCI socket on the power supply and plugged
in the 4-pin.  No change.

2.  The memory is incompatible.  The brand I bought "Ballistix
DDR4-3000" is not on Asrock's official approved list.  Also, AMD suggest
DDR4-2933 as the fastest memory.   I thought it would work, but I'm
confused by memory specs.

3.  The motherboard's BIOS is incompatible with the latest Ryzens.  I've
heard of this happening, but I'm not sure how to test this.


Any thoughts or suggestions would be greatly appreciated.


TIA!

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