Description
Compliant with the Serial ATA specification 1.0, the
VIA VT6420 offers high performance Serial ATA RAID functionality
to the full spectrum of PC processor platforms for desktops
and servers. Supporting all kinds of ATA and ATAPI devices,
including HDDs, CDs, DVDs, high capacity removable devices
and featuring a 32-bit PCI interface, the VIA VT6420
enables seamless transition to the emerging Serial ATA
technology.
The VIA VT6420 features two Serial ATA channels, supporting
up to four devices and one Parallel ATA channel supporting
up to two devices. The With dual channel Serial ATA,
the VIA VT6420 delivers 12% more bandwidth than ATA-133
for data transfer between storage devices and CPU, bursting
up to 150Mbps of data and offering a significant performance
improvement in data intensive and bulk storage application.
The VIA VT6420 furthermore incorporates a SATALite Interface,
which paired with a single Silicon Image Sil3012 external
PHY chip, adds two more Serial ATA channels at very
low cost.
The VIA VT6420 provides multilevel RAID support including
RAID level 0 for maximum performance, RAID Level 0 for
maximum performance, RAID Level 1 for maximum security,
RAID 0+1 and JBOD. To ensure backwards compatibility
the VIA VT6420 also integrates a single channel parallel
ATA-133 controller, eliminating the need for adaptors.
Featuring simple and practical cabling for improved
airflow in the chassis, the VIA VT6420 enables OEMs
and system builders to design smaller chassis, satisfying
market demand for smaller and more compact PC systems.
Smaller cable connectors with improved silicon design
with a common location for both 3.5 inch and 2.5 inch
drives save space and simplifies PC integration tooling
and chassis design, while the lower voltage signaling
of the VIA VT6420 alleviates the 5V tolerance support
for Parallel ATA designs. Being compatible with a wide
range of ATA and ATAPI devices, the VIA VT6420 equips
OEMs and system builders with the flexibility to reach
multiple market segments and price points.
The VIA VT6420 is the ideal solution for end-users
to easily upgrade their storage devices and incorporates
the emerging Serial ATA RAID standard into their systems,
taking full advantage of the higher bandwidth, faster
data transfer rates, improved data integrity and robustness
of Serial ATA technology. Featuring a point-to-point
host to device connection, installation is simple without
the need for configuration as no jumper setting is required.
Backward compatibility with existing operating system
drivers, the VIA VT6420 requires no update to software.
The VIA VT6420 is compatible with a complete range of
Intel, AMD and VIA based processing platforms, Microsoft
Windows® 9x/ME/NT4/2K/XP and major Linux based Operating
Systems.
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