Compaq AlphaServer ES40 User Manual

System Overview 1-27
The system fans are shown in Figure 1–13 and described in Table 1–1.
Table 1–1 Fan Descriptions
Fan
Number
Area Cooled Fan Failure Scenario
➊, ➋
4.5-in.
PCI card cage
Removable media
Right drive cage
Both fans are powered at all times. If one
fan fails, all other system fans speed up to
provide adequate cooling. You can replace
either fan while the system is running.
➌, ➍
4.5-in.
Power supplies
Left drive cage
Both fans are powered at all times. If one
fan fails, all other system fans speed up to
provide adequate cooling. You can replace
either fan while the system is running.
➎
4.5-in.
redundant
CPU and memory
card cage
Not powered unless the main fan fails. If
the main fan fails, fan 5 runs at maximum
speed to provide adequate cooling.
➏
6.75-in.
main fan
CPU and memory
card cage
Fan 6 or fan 5 must always be running or
the system will shut down. You can replace
fan 6 as long as fan 5 is running.

Compaq AlphaServer ES40 Specifications

General

Brand	Compaq
Model	AlphaServer ES40
Category	Server
Language	English