Intel® Server Board S5500HV/Intel® Server System SR1670HV TPS
Server System Overview
55
Intel Confidential
Revision 1.2
Intel order number E69391-006
Figure 42 Har driver Bay Assembly
8.5
System Cooling
The system provides a bank of four dual rotor system fans for each server node. Each bank of
four system fans is independent of each other and controlled by the server node to which they
are attached. In addition, the system also includes a fan in each power supply module.
Figure 43. System Fan Assembly
The system provides no redundant fan support. To prevent the system from over heating, a
failed fan should be replaced as soon as possible.
Figure 44. System Fan Removal
Each bank of fans is monitored and controlled by the server node to which they are attached.
Fan control is determined by selecting either of two fan control options in BIOS Setup:
Full
Speed mode
or
High Density mode
.
In
Full Speed Mode
, system fans will only operate at the highest fan speed, allowing for
maximum air flow.
In
High Density Mode
, fan speed is controlled, allowing for a quieter system. At nominal CPU
temperatures, the fan speeds will operate at 50% of maximum. As CPU temperatures rise, the
System Fans
Server Node 2
System Fans
Server Node 1
