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ASRockB450 Steel Legend ベータ版 BIOS – B450 Steel Legend(L4.31)ROM.zip バージョン 4.31https://www.asrock.com/MB/AMD/B450%20Steel%20Legend/index.jp.asp#BIOSB660M-HDV BIOS – B660M-HDV(7.03)ROM.zip バージョン 7.03https://www.asrock.com/MB/Intel/B660M-HDV/index.jp.asp#BIOSH470M Pro4…

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