Technical Product Specification

Intel® RAID Controller RS2WC080 and RS2WC040 TPS Hardware
Revision 1.0
Intel Order Number E64400-001
7
Figure 4 Intel
®
RAID Controller RS2WC040 Physical Layout
2.3 Major Components
The major components of the Intel
®
RAID Controller RS2WC080 and RS2WC040 are described
in the subsections that follow.
2.3.1 LSI* LSISAS2008 ROC
The LSI* LSISAS2008 ROC device is an integrated SAS and I/O controller with an embedded
Power PC* 440 core running at 533 MHz. For more information, see http://www.lsi.com/
. The
LSISAS2008 ROC device provides the following functionality:
 Intel
®
RAID Controller RS2WC080 provides eight independent PHYs, Intel
®
RAID
Controller RS2WC040 provides four independent PHYs, each supporting 6Gb/s and
3Gb/s SAS data transfers per PHY.
 Supports SSP to enable communication with other SAS devices.
 Supports SMP to communicate topology management information.
 Supports single PHY or wide ports consisting of 2, 3, or 4 PHYs within a single quad port.
 Allows addressing of multiple SATA targets through an expander if using SATA 2.0-
compliant hard disk drives.
 Allows multiple initiators to address a single target (in a fail-over configuration) through
an expander.
2.3.2 Flash Rom
A 8-MB CFI-compliant flash ROM is used to accommodate RAID firmware and RAID BIOS
Console 2 OpROM.