Chapter 3
Hardware Configuration
75
About Fan Trays
The basic system is equipped with three fan trays: a CPU fan tray, an I/O fan tray,
and a motherboard fan tray. The CPU and I/O fan trays contain two fans apiece,
while the motherboard fan tray contains a single fan. All systems are equipped with
this primary set of fan trays. Systems configured with the redundant cooling option
include a secondary set of the same fan trays.
Note –
The motherboard fan tray is also known as the I/O bridge fan tray since its
primary purpose is to cool the I/O bridge chips on the system motherboard.
The following table describes the system’s fan trays.
Fan(s)
Bay No.
Description
Primary CPU fan tray
1
One fan tray with two 6-inch fans
Secondary CPU fan tray
2
One fan tray with two 6-inch fans
Primary I/O fan tray
3
One fan tray with two 4-inch fans
Secondary I/O fan tray
4
One fan tray with two 4-inch fans
Primary motherboard fan tray
5
One 3-inch fan
Secondary motherboard fan tray
6
One 3-inch fan
Primary I/O fan tray
Secondary I/O fan tray
Primary CPU fan tray
Secondary motherboard fan tray
Primary
Secondary CPU fan tray
fan tray
motherboard
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