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4-6
Upgrading Your System
Cooling Fan Unit
The cooling fan unit houses two fans for cooling the boards and devices inside
your server. The cooling fan unit is composed of a fan module (A) and a fan
cover (B). See Figure 4-3.
The cooling fan unit must be removed when plugging or unplugging power or
signal cable connectors at the rear of the hard disk drive bays.
The cooling fan cover must be removed for the installation or removal of long
PCI boards.
A
B
A
– Fan module
B
– Fan cover
Figure 4-3. Cooling Fan Unit
Removing the Fan Cover
To
remove
the fan cover, perform the following procedures:
1.
Prepare your system for upgrade. See
Preparing Your System for Upgrade
earlier in this chapter.
2.
Remove the left-hand side access panel of the system chassis. See
Removing
the Side Access Panel
earlier in this chapter.
!
CAUTION
For proper cooling and airflow, do not operate the system
with the side access panel removed. Always
replace
the
panel before powering on the system.
3.
While holding the fan module securely, grasp and pull the fan cover out to
free it from the module and then remove it from the system chassis.
See Figure 4-4.
Summary of Contents for EXPRESS5800/120Lf
Page 1: ... U s e r s G u i d e EXPRESS5800 120Lf ...
Page 2: ...NEC ...
Page 3: ... U s e r s G u i d e EXPRESS5800 120Lf ...
Page 9: ...Contents vii ...
Page 10: ...viii Contents ...
Page 36: ...1 20 System Overview ...
Page 99: ...Upgrading Your System 4 13 Figure 4 9 Replacing the Real Time Clock Battery ...
Page 146: ...4 60 Upgrading Your System Figure 4 60 Installing a Power Supply ...
Page 170: ...5 24 Problem Solving ...
Page 171: ...A Technical Specifications Server Unit ...
Page 174: ...A 4 Technical Specifications ...
Page 175: ...B Connectors Overview External Device Connector Pin Information ...
Page 190: ...10 Glossary ...
Page 196: ...Index 4 ...
Page 197: ...xx ...
Page 198: ... 456 01575 N00 ...