7120 Controller Hardware Overview
FIGURE 63
7120 Controller Ribbon Cable
Cable Connection
2 Ribbon cable
Connection is between the power distribution board and
the motherboard.
7120 Attached Storage
The 7120 standalone configurations allow a single chain of 1 or 2 disk shelves. Write-optimized
(Logzilla) SSDs are not supported in the expansion storage for the 7120. The disk shelves must
be fully populated with 24 HDDs. Half-populated shelf configurations are not supported. For
more information, see “Connecting to Attached Storage” on page 272. See also “Disk Shelf
Hardware Overview” on page 272 for component specifications and diagrams.
Servicing the 7x20 Controller 253