Datasheet Summary
PRELIMINARY
SERIAL ATA II: 1:2 PORT MULTIPLIER
DECEMBER 2006
REV. P1.0.1
GENERAL DESCRIPTION
The EXAR XRS10L120 is a Serial ATA port multiplier designed for next generation enterprise class disk array systems that use SATA mid-planes. The device is targeted at low cost storage applications.
This function is used when one active host has to municate with multiple SATA drives. The XRS10L120 supports up to 2 SATA drives and utilizes the full bandwidth of the host connection.
The upstream ports of XRS10L120 can also be attached to a port selector (XRS10L210) or a Serial ATA Switch to provide redundancy in a more plex topology.
The XRS10L120 includes enhanced Features such...