2 implementation. The slot’s schematic sure looked ready to support either kind of drive, a surprising find. Here’s the catch — Lenovo only populated components for SATA drive support.

Gigacom's VSL340A PHY updated version of VSL340 to support SATA3 and backward compatible with SATA 1 and 2. VSL340A is suitable for both Host and Device applications within a Serial ATA system. The ...