ASUS Z-390E unable to boot with 3600MHz memory

[ridethewhirlwinds]

Having some issues posting with 32GB 3600MHz ram and tried the following below to no avail:

- Tried XMP I and II using the respective settings on both with no success.
- Set the ram overclock to manual and input the timings no change.
- Updated to the latest bios and turned the CPU OC off and back on.
- Tried changing the voltage to 1.4 for the DRAM.
- Changed overclock to auto and dram frequency to auto this just booted the ram to 2400MHz
- Changed dram frequency back to 3600MHz and doesn't post and goes through the reboot loop.
- Tried loading one stick at a time in each slot and was only able to lead 1 stick of 16GB using 3600MHz on XMP II before blue screening in Windows, XMP I did not post. Added another stick using XMP II and again would not post.

Hardware specs: i7-9700K / ASUS Z-390E HyperX Predator Black 32GB kit 3600MHz DDR4 CL17 DIMM XMP Desktop PC Memory (HX436C17PB3K2/32) (on the QVL list for this motherboard) Samung SSD EVO 850

It seems the max dram frequency speed I can set it to without blowing up is 3200MHz. Is there a setting that needs to be set to run ram over 3200MHz?

Currently out of options with things to try, any suggestions or a guide from someone that has the same CPU/board and ram speed that has this working would be appreciated.

Thanks.

[Enderwiggin03]

Look into adjusting VCCIO/VCCSA voltages, max safe for daily use is around 1.3v (try not to exceed). This board also prefers 4 sticks vs 2, not sure what your memory configuration is.

[dfaovred]

What memory slots on the board are you using, you should be using slot 2 and then slot 4.

Slots - DIMM_B2 and DIMM_A2

[ridethewhirlwinds]

What memory slots on the board are you using, you should be using slot 2 and then slot 4.

Slots - DIMM_B2 and DIMM_A2

Both are in the A2 and B2 slots.

[ridethewhirlwinds]

Look into adjusting VCCIO/VCCSA voltages, max safe for daily use is around 1.3v (try not to exceed). This board also prefers 4 sticks vs 2, not sure what your memory configuration is.

Tried -
VCCIO/VCCSA to 1.25 and 1.3
CPU OC to 5.0 across all cores
CPU voltage to 1.35
DRAM voltage to 1.4
DRAM frequency to 3600MHz

Still won't post using 3600MHz.

[Enderwiggin03]

Might be the IMC on the CPU. You still haven't said if you're running 2 sticks or 4 sticks. The Z390 series from Asus has T-Topography which is better suited for 4 sticks. Also, you might have to do manual timings etc if that kit isn't on the QVL. I have a 4266mhz CL 19 setup (2 kits of 2x8GB) and the best I can do is 4000mhz at CL 16-17-17-35 @ 1.45v, my VCCIO/VCCSA reported is 1.264v/1.280v, same board you have with the latest bios.

[ridethewhirlwinds]

Might be the IMC on the CPU. You still haven't said if you're running 2 sticks or 4 sticks. The Z390 series from Asus has T-Topography which is better suited for 4 sticks. Also, you might have to do manual timings etc if that kit isn't on the QVL. I have a 4266mhz CL 19 setup (2 kits of 2x8GB) and the best I can do is 4000mhz at CL 16-17-17-35 @ 1.45v, my VCCIO/VCCSA reported is 1.264v/1.280v, same board you have with the latest bios.

2 sticks of 16gb ram are in the A2 and B2 slots per the manual specifications that I mentioned previously to another reply in the thread.

The ram I have tried is on the QVL list (as 2 sticks of 16gb). I have tried to use manual timings to the original timings on the ram kit, but it appears that any dram frequency above 3200MHz will result in a post failure.

Which ram are you using? And CPU?

[Enderwiggin03]

2 sticks of 16gb ram are in the A2 and B2 slots per the manual specifications that I mentioned previously to another reply in the thread.

The ram I have tried is on the QVL list (as 2 sticks of 16gb). I have tried to use manual timings to the original timings on the ram kit, but it appears that any dram frequency above 3200MHz will result in a post failure.

Which ram are you using? And CPU?

G.Skill F4-4266C19D-16GTZR, 2 kits, CPU is an i9 9900k