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B550 Steel Legend and RAM timings

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Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
Printed Date: 01 Oct 2022 at 4:06pm
Software Version: Web Wiz Forums 12.04 -

Topic: B550 Steel Legend and RAM timings
Posted By: ptselios
Subject: B550 Steel Legend and RAM timings
Date Posted: 01 Aug 2022 at 3:07pm
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)?

Posted By: ASRock_TSD
Date 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:" rel="nofollow -
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." rel="nofollow -

Thank you,

Best wishes,

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