Cold Start Code: BD Detect Memory in R6E

[henriamolv]

I have a Rampage VI Extreme and a CPU Core i9 7900x with overcloking @4.8GHZ and Quad Memory XPG 4133 working in XMP profile @4000.. they are with 1.392v. The CPU is stable 1.247v and working fine with games and Windows normally.

But during the POST i'm with o debug code: BD Detect Memory successively.
I already changed the VCCIO / VCCSA and the problem continues 😞

I need turn the pc on and off (force off) several times for it to post correctly with the overclock profile or bootup in Boot Override inside BIOS.
any other solution to resolve code:BD detect memory?

[Silent_Scone]

Hello,


This is a memory training code. The applied overclock settings are not stable enough to pass POST stress tests consistently. Try firstly increasing the DRAM voltage to 1.45v.

[henriamolv]

Hello,

I did test and changed the four channels to 1.45v, saved and restarted. Made the POST normal but after turning off the PC and turning it on again moments later the BD Code appeared and the PC didn't make the POST. 😞

Current parameters:
VCCIO = 1.15v
VCCSA = 1.10v
DDR4 = 1.45v
CPU = 1.24v @4.8GHZ


any other suggestions?

[Silent_Scone]

henriamolv wrote:
Hello,

I did test and changed the four channels to 1.45v, saved and restarted. Made the POST normal but after turning off the PC and turning it on again moments later the BD Code appeared and the PC didn't make the POST. 😞

Current parameters:
VCCIO = 1.15v
VCCSA = 1.10v
DDR4 = 1.45v
CPU = 1.24v @4.8GHZ


any other suggestions?

BD can also be VCCSA related. This platform is sensitive on these signal rails, so you'll need to adjust the value till the cold boot issue desists. 4K can be tough for those CPU in certain configs. Each CPU is different and more can be just as detrimental as too little, so make sure to test methodically. Try not to exceed 1.2v.

If continuing to have difficulty, you may have to reduce the memory frequency or relax some timings.

[henriamolv]

Silent Scone@ROG wrote:
BD can also be VCCSA related. This platform is sensitive on these signal rails, so you'll need to adjust the value till the cold boot issue desists. 4K can be tough for those CPU in certain configs. Each CPU is different and more can be just as detrimental as too little, so make sure to test methodically. Try not to exceed 1.2v.

If continuing to have difficulty, you may have to reduce the memory frequency or relax some timings.

How to reduce more the VCCSA? I realize that VCCSA is with 1.015 changed but on the left the frequency is much higher 1.040v probably changed by the MB itself.