Technical Product Specification

Cooling Subsystem Intel® Server System SR2612UR TPS
30 Revision 1.3
Intel order number E76293-003
Table 20. Non-redundant Fan Connector Pin Assingment
Pin Signal Name Description
1
Return
Return path to ground
2
12V
Power for fan
3
FOO
Fan Tachometer signal
4
PWM
Fan speed control signal
4.3 Airflow Support
Table 21. Non-redundant Cooling Zones
To control airflow within the system, the system uses a CPU air duct to isolate and direct airflow
to three critical zones: power supply zone, PCI zone, and CPU/memory zone.
Figure 17. CPU / Memory Air Duct
4.4 Drive Bay Population
To maintain proper air pressure within the system, all hard drive bays must be populated with
either a hard drive or drive blank.
Fan Cooling
Zone
Description of greatest cooling influence
System Fan #1 and #2
Processor
and
Memory
Primary cooling for CPU, memory, and hard
drives
System Fan #3
PCI
Primary cooling for PCI cards, Intel
®
S5520
chipset IOH, and hard drives
System Fan #4
Power
Supply
Primary cooling for hard drives and the power
supply modules.