Bus Interface in gpu-z

[vahid1368]

hi
my systm is
cpu i7 4790k
fan noctou dh-15
ram 4*8 g 32 g
vga asus rog strix 1650s oc
ssd 240g
hhd 8 tb
power 1200 w
min biostar gaming z97x
last v bios and driver s instal
setup bios is default
now
please see photo

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when full GPU load or game show x2 3.0
when idl show x2 1.1
why ??
what mean x2

 

[W1zzard]

x2 means two PCI-Express lanes active. This is very low, have you tried the card in another slot? Maybe another PC?

Idle running in 1.1 and load in 3.0 is normal and expected

 

[vahid1368]

x2 means two PCI-Express lanes active. This is very low, have you tried the card in another slot? Maybe another PC?

Idle running in 1.1 and load in 3.0 is normal and expected

x2 means two PCI-Express lanes active !!!!!!!!!!!!!!!!!!!
my min Support three slot pcl x 16 gen 3

when install vga in slot 1 .... in program gpu z ...

Bus Interface is pcl x 16 @ x2 3.0​

when install vga in slot 2 .... in program gpu z ...

Bus Interface is pcl x 16 @ x8 3.0​

!!!!!
please help me for fix problem

 

[W1zzard]

do you see any damage in the socket area on your motherboard around slot 1?

slot 2 running at x8 is normal

 

[vahid1368]

do you see any damage in the socket area on your motherboard around slot 1?

slot 2 running at x8 is normal

install vga in slot 3
show ... x4 !!!!

 

[W1zzard]

install vga in slot 3
show ... x4 !!!!

slot 3 is operating at x4 on most boards, so it's working correctly