LSISAS1078 LSI, LSISAS1078 Datasheet
LSISAS1078
Manufacturer Part Number
LSISAS1078
Description
Manufacturer
LSI
Datasheet
1.LSISAS1078.pdf
(2 pages)
Specifications of LSISAS1078
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Product Brief
LSI SAS1078
Eight-Port PCI Express to 3Gb/s SAS ROC
A p p l i c A t i o n s
n
n
n
NAS storage solutions
F e A t u r e s
n
n
– Examples of supported RAID
n
n
n
– Up to 166/333MHz (DDR)
Embedded RAID-On-a-Chip for
Low-cost PCI Express/SAS RAID
Entry-level external RAID and
High level of system integration
Provides a cost effective RAID
Provides an Exclusive-OR
RAID 6 hardware acceleration
Supports a high speed DDR and
enterprise servers
host bus adapter
with the patented RAID-on-a-
Chip (ROC) architecture
solution
levels are 0, 1, 5, 10, and 50
hardware RAID 5 Parity Assist
Engine to speed parity backup
and recovery calculations
support for advanced data
protection
DDR2 SDRAM with ECC
and up to 333/666MHz
(DDR2) Modes
Extending Its Industry SAS Leadership and Building on 20 years of SCSI and
RAID Technology Experience, the LSI SAS1078 is LSI’s 3rd Generation ROC
Overview
The LSI SAS1078 is the industry’s first PCI
Express to 3Gb/s SAS RAID-On-a-Chip (ROC)
controller. The LSI SAS1078 integrates several
industry-leading technologies, Fusion-MPT™
(Message Passing Technology), MegaRAID®,
PCI Express, SAS, PowerPC, and advanced RAID
assist. The eight-port ROC provides Serial
Attached SCSI (SAS) and SATA data rates of
1.5 and 3Gb/s per port and is based on a LSI
patented ROC architecture. The LSI SAS1078
integrates a high speed 64-bit, ECC protected
DDR SDRAM interface, a hardware RAID assist
engine for parity calculations, and supports
an I
performance. It is powered by a state-of-the
art PowerPC 440 RISC processor, which includes
both instruction and data cache for addi-
tional performance boost. It is ideal for today’s
enterprise servers, leveraging existing SCSI
infrastructure for investment protection and
ease of migration and implementation. The LSI
SAS1078 also is an ideal platform for entry-level
external storage using SAS and/or SATA drives.
You can implement a very capable, low-cost
external SAS-to-SAS/SATA RAID controller in a
single chip. With one additional chip you can
2
O message unit, resulting in unsurpassed
implement a Fibre Channel RAID controller, an
iSCSI RAID controller, or even a NAS controller.
The LSI SAS1078 complies with the PCI Express
1.0a specification and supports 8 PCI Express
lanes at 2.5Gb/s, full duplex, for an aggregate
bandwidth of up to 4GB/sec. The PCI Express
architecture is an industry standard high-per-
formance, general-purpose serial I/O intercon-
nect utilizing a cost-effective, low-pin count
interface offering high bandwidth per pin. For
investment protection and ease of develop-
ment migration, it retains PCI compatibility by
using the established PCI software program-
ming models, thus facilitating a smooth transi-
tion to new hardware while allowing software
to evolve to take advantage of PCI Express
features.
Fusion-MPT Architecture
LSI’s Fusion-MPT architecture provides
unparalleled performance, binary compatibility
of host software with LSI’s Ultra320 SCSI, Serial
Attached SCSI, and Fibre Channel products,
and significantly reduces software develop-
ment time. With advanced architecture, the
LSI product family can be quickly adapted to
respond to emerging I/O interfaces.
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LSISAS1078 Summary of contents
Page 1
... PCI Express, SAS, PowerPC, and advanced RAID assist. The eight-port ROC provides Serial Attached SCSI (SAS) and SATA data rates of 1.5 and 3Gb/s per port and is based on a LSI patented ROC architecture. The LSI SAS1078 integrates a high speed 64-bit, ECC protected ...
Page 2
... LSI; nor does the purchase, lease, or use of a product or service from LSI convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual property rights of LSI or of third parties. ...