Author

Topic: Rig won't post after installing 4th card (Read 58 times)

newbie
Activity: 29
Merit: 0
February 01, 2021, 10:14:16 AM
#5
I can't find that option on this board
bios version is P3.90

It should be in the Boot Screen options
full member
Activity: 1275
Merit: 141
February 01, 2021, 09:47:21 AM
#4
Are you plugging all 4 directly in the mobo...if you are try using risers for some / all of the gpus.  When plugging directly into the pcie bus...it requires the mobo provide power through the pcie slots.  Riser remove this power draw from the pcie bus. 

newbie
Activity: 2
Merit: 0
February 01, 2021, 07:18:07 AM
#3
I can't find that option on this board
bios version is P3.90
newbie
Activity: 29
Merit: 0
February 01, 2021, 06:44:55 AM
#2
Have you enabled Above 4G Decoding in bios?
newbie
Activity: 2
Merit: 0
February 01, 2021, 06:19:23 AM
#1
Building a new mining rig
Specs below:
Amd athlon 3000G
Team DDR4 8GBx1
Asrock B450 Gaming K4
WD Green 120gb m.2 sata ssd
radeon rx580 8gb *4
evga 850w GA power supply

all works fine with 1~3 cards
when I plug in 4th card it doesn't post
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