VSC7175 switch equivalent, serial ata 2:1 fail-over switch.
Buffers for Externally Connected Links Serial ATA Port Multipliers/Replicators Serial ATA Host Bus Adapters Selecting.
The VSC7175 is a Serial ATA multiplexer/buffer which implements a 2:1 Failover Switch function for 1.5 Gb/s and 3.0 Gb/s links. This function is used when dual hosts, such as I/O Controllers, must access single-ported disk drives in high availabilit.
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