IBM ServeRAID M5014 User Manual

1-6 Overview
Figure 1.1 shows a direct-connect configuration. The Inter-IC (I
2
C)
interface communicates with peripherals. The external memory bus
provides a 32-bit memory bus, parity checking, and chip select signals
for pipelined synchronous burst static random access memory
(PSBRAM), nonvolatile static random access memory (NVSRAM), and
Flash ROM.
Figure 1.1 Example of a SAS Direct-Connect Application
Figure 1.2 shows an example of a ServeRAID controller configured with
an LSISASx12 expander that is connected to SAS disks, SATA II disks,
or both.
Flash ROM/
SAS
PCI Express
RAID Controller
SAS/SATA II Device
32-Bit Memory
Address/Data
Bus
PSBRAM/
I
2
C
SAS/SATA II Device
SAS/SATA II Device
SAS/SATA II Device
PCI Express Interface
I
2
C
Interface
NVSRAM

IBM ServeRAID M5014 Specifications

General

Brand	IBM
Model	ServeRAID M5014
Category	Controller
Language	English