GA-Z77-DS3H RAM problem

[zswalden]

I have a problem with GA-Z77-DS3H motherboard and KHX1600C9D3B1_4G RAM (2 modules),
System does not boot (beep) when RAM modules are set to dual channel (in single channel everything is fine).

http://www.kingston.com/datasheets/KHX1600C9D3B1_4G.pdf


Is there any way to fix this problem?

Other components:

CHIEFTEC APS-550S 550W
Kingston SSD SV200S3128G
G860 CPU
GTX 550Ti

[zswalden]

Qualified Vendors List (QVL)
http://download.gigabyte.eu/FileList/Memory/mb_memory_ga-z77-ds3h.pdf

Kingston 4GB KHX1600C9D3/4G DS v v v v

 v v v v ---> Does this mean that i have to have 4 modules to run memory in dual channel?

[ysw]

both ddr1&2 and ddr 3&4 cannot work?
you can use two memory modules for dual channel.

[zswalden]

both ddr1&2 and ddr 3&4 cannot work?

Series of short beeps on any combination except DDR3_2 + DDR3_4

[absic]

As a matter of interest, what BIOS version are you running?

If it is not the latest version, F10f, it might be worthwhile updating to it and seeing if that helps.

If you are running he latest BIOS try going back to the F9 version and see if that makes a difference.