Figure 16. Non-Redundant Fan Header Assignments On Mid-Plane; Table 14. Non-Redundant Fan Connector Pin Assingment - Intel SR1500 - AXXMINIDIMM DDR-2 RAID Controller Cache Memory Manual
Server chassis/server system
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Also See for SR1500 - AXXMINIDIMM DDR-2 RAID Controller Cache Memory:
- Manual (104 pages) ,
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2BCooling Sub-System
•
Each fan has an associated fault LED on the mid-plane located next to the fan header.
In the event of a fan failure, the fault LED for the failing fan can be illuminated by system
management.
Table 14. Non-redundant Fan Connector Pin Assingment
Pin
1
2
3
4
5
6
7
8
9
10
The system fans plug into headers on the mid-plane board according to the following diagram.
Figure 16. Non-Redundant Fan Header Assignments on Mid-plane
22
Signal Name
Tachometer B
Reserved, unused by the non-redundant fan
PWM
Fan speed control signal
12V
Power for fan
12V
Power for fan
Tachometer A
Fan RPM sensor output
Two pulse per revolution for the 80mm fan
Four pulses per revolution for the 60mm fan
Return
Return path to ground
Return
Return path to ground
Fan Presence
Reserved, unused by the non-redundant fan
LED Cathode
Loopback signal to pin 10
LED Anode
Loopback signal to pin 9
Intel order number D31980-009
Intel® Server System SR2500AL
Description
Revision – 1.6
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