Avago Technologies MegaRAID SAS 8204ELP - Manual (Page 22)

1-6 Overview
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Figure 1.1 Example of an LSI Logic SAS Direct-Connect
Application
Figure 1.2 shows an example of a SAS RAID controller configured with
an LSISASx12 expander that is connected to SAS devices, SATA II
devices, or both.
Figure 1.2 Example of LSI Logic SAS RAID Controller Configured
with LSISASx12 Expander
SAS RAID Controller
LSISASx12
Flash ROM/
64-bit Memory
Address/Data
Bus
DDR1 or DDR2
LSISASx12
SAS/SATA II
Drives
PCI-X or PCI Express Interface
SAS/SATA II
Drives
SAS/SATA II
Drives
SAS/SATA II
Drives
I
2
C
Interface
I
2
C
SDRAM
Expander Expander