もっと詳しく

Thinkpad T520 Windows10をインストールした際に
デバイスマネージャーで不明なデバイスが検出されました。

1つ目は、PCIシリアルポート
Intel(R)Active Management Technology – SOL

https://support.lenovo.com/us/en/downloads/ds037750
下記の型番でも同様に発生する可能性があります。

Support models   [Windows 10  64-bit support]
                   ThinkPad T430, T430i, T430s, T430si,
                   ThinkPad T530, T530i,
                   ThinkPad W530,
                   ThinkPad X230, X230i, X230 Tablet, X230i Tablet, X230s,

2つ目は、基本システムデバイス

Ricoh PCIe SDXC/MMC Host Controller

https://support.lenovo.com/us/en/downloads/ds032126

下記の型番でも同様に発生する可能性があります。

Software name      Ricoh Media Card Reader Driver

Support models     ThinkPad T420s, T420si
                   ThinkPad T520, T520i
                   ThinkPad W520
                   ThinkPad X1
                   ThinkPad X220, X220i, X220 Tablet, X220i Tablet

                   ThinkPad Edge E420
                   ThinkPad Edge E520

Operating Systems  Microsoft Windows 10  32-bit, 64-bit
                   Microsoft Windows 8  32-bit, 64-bit

                   Refer to marketing materials to find out what computer models
                   support which Operating Systems.

Version            2.22.18.01 (Package)
                   6.20.11.42 (Driver)

Support device     Ricoh Multi Card Reader