B550 Steel Legend and RAM timings

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   Hello,
I have a Steel Legend B550 with Ryzen 7 5700G and 32GB RAM 
The RAM is 2x16GB Vengeance LPX 3600.

However, it looks like if I manually setup RAM to 3200 (the maximum supported by the CPU) the PC is not turned on and I have the CPU and RAM red LEDs turned on. 
I also tried to set it to 2400 or 2666 or 2933, still nothing worked.

Resetting the UEFI/BIOS to defaults and having the RAM to Auto, results to a speed of 2133Mhz, which is way too slow for a DDR4 in 2022! It's slower from my AMD 2700 setup on an MSI 470 with 64GB RAM, which runs at 2400 (the dimm's speed). 

What I am doing wrong? How can I setup the speed to the maximum supported by the CPU speed (3200)? 

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ptselios Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Jan 2020 Status: Offline Points: 118	Post Options Post Reply Quote ptselios Report Post Thanks(0) Quote Reply Topic: B550 Steel Legend and RAM timings Posted: 01 Aug 2022 at 3:07pm
	Hello, I have a Steel Legend B550 with Ryzen 7 5700G and 32GB RAM The RAM is 2x16GB Vengeance LPX 3600. However, it looks like if I manually setup RAM to 3200 (the maximum supported by the CPU) the PC is not turned on and I have the CPU and RAM red LEDs turned on. I also tried to set it to 2400 or 2666 or 2933, still nothing worked. Resetting the UEFI/BIOS to defaults and having the RAM to Auto, results to a speed of 2133Mhz, which is way too slow for a DDR4 in 2022! It's slower from my AMD 2700 setup on an MSI 470 with 64GB RAM, which runs at 2400 (the dimm's speed). What I am doing wrong? How can I setup the speed to the maximum supported by the CPU speed (3200)?

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 7362	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 02 Aug 2022 at 5:17pm
	Dear Ptselios, Thank you for the posting. I would like to provide some suggestions for you to verify the system. 1. Clear CMOS by referring to user manual page. 27 and then only enable XMP Profile to test. User manual: https://download.asrock.com/Manual/B550%20Steel%20Legend.pdf 2. Only install CPU, PSU, Cooler, RAM, Graphic card to try. 3. Install one stick RAM on each slots by turns to repeat suggestion 2 to check if the problem relates to specific RAM stick or slot. For further assistance, you can use our support form to contact us. https://event.asrock.com/tsd.asp Thank you, Best wishes, ASRock TSD