Your motherboard is compatible with AMD SAM technology.
Your motherboard is compatible with AMD SAM technology.
Hello, your B250F GAMING MOTHERBOARD should support AMD SAM, but since you're using an older BIOS version, you'll need to check compatibility. A BIOS update might be necessary to enable SAM without risking instability. If unsure, consult the motherboard manufacturer's documentation or contact their support for guidance on safely proceeding with the update.
Most B250 models likely lacked SAM/Rebar compatibility. A few 300-series boards offered beta support, such as the Asrock Z390 PG4, which had a beta BIOS enabling rebar access—but Intel didn’t officially permit it until the 10th generation with 400-series chips.
The documentation doesn't reference a resizable bar in the BIOS update notes for your motherboard. The main concern about damaging your board is removing the USB thumb drive during the update process, which could brick it. Using a reprogrammer can help recover the BIOS if needed.
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If a BIOS offered SAM/ReBar compatibility, it would be highlighted in the release notes. The last major BIOS change for this era—after 2020—was simply enabling Windows 11 on the board without altering settings. Likely, the update only adjusts default factory options to activate TPM and Secure Boot. Changing your BIOS won’t provide SAM support; you’d need a different hardware setup. In terms of performance, SAM adds only around 5% or less to FPS, so it’s not worth upgrading solely for that benefit. That said, if your CPU is a high-end i7 7700K, a platform upgrade could still yield noticeable gains compared to older i3 models.
Your ASUS X470 setup includes a 5000 series Ryzen processor and a 6000 series GPU. After the latest BIOS update, look at the top right screen when not in EZ mode—expect a SAM or ReBar section that is either enabled or disabled. If you don’t see either, it likely means the chipset isn’t fully supported by the current BIOS version, though it might still work depending on your CPU and GPU configuration.