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Chapter 1 Hardware Configurations
1.1 Controller Enclosure
ETERNUS DX60 S2 Disk storage system User’s Guide -Site Planning-
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Copyright 2012 FUJITSU LIMITED P3AM-5492-04ENZ0
● Top view
Figure 1.10 Top view of a 3.5" type controller enclosure
● Side view
Figure 1.11 Side view of a 3.5" type controller enclosure
1.1.1 Controllers
The controller contains a CPU, cache memory, System Capacitor Unit (SCU), non-volatile mem-
ory, host interface ports, drive interface (DI) ports, and LAN ports. The controller controls all
operations in the ETERNUS DX Disk storage system.
■ Cache memory
Cache memory enables high speed processing by storing frequently used data.
The cache memory capacity for each controller is 1GB.