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7420
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controller fan modules. In addition, they contain fan module status LEDs and transfer I2C
data for the fan modules.
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drives, as well as the interconnect for the I/O board, Power and Locator buttons, and
system/component status LEDs. Each drive has an LED indicator for Power/Activity, Fault,
and Locate.
Components
The controller components are shown in the following figure and identified in the table.
Figure Legend
1 Motherboard
2 Low-profile PCIe cards
3 Power supplies
4 Power supply backplane 10 Fan modules
5 Drive backplane
6 System lithium battery
CPU and Memory
The 7420 controller supports the following configurations:
60
Oracle ZFS Storage Appliance Installation Guide • January 2014 E48491–02
Fan Power Boards - The two fan power boards are FRUs and carry power to the storage
Drive Backplane - The six-drive backplane is a FRU and includes the connectors for the
7 CPUs and heatsinks
8 Memory risers
9 Fan board
11 Boot drives and SSDs
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