Figure 18. Redudant Fan Header Assignments On Mid-Plane; Table 17 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) ,
- Spares/parts list and configuration manual (27 pages) ,
- Hardware installation manual (16 pages)
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2BCooling Sub-System
Table 17 Redundant Fan Connector Pin Assingment
Pin
1
2
3
4
5
6
7
8
9
10
The system fans are hot-pluggable and do not have any cable connections. They mate directly
to the fan module. The system fan module plugs into headers on the mid-plane board
according the following diagram.
Figure 18. Redudant Fan Header Assignments on Mid-plane
24
Signal Name
Tachometer B
Reserved, unused by redundant fan
PWM
Fan speed control signal
12V
Power for fan
12V
Power for fan
Tachometer A
Fan RPM sensor output
Two pulses 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
Detection if fan is installed in system
LED Cathode
LED in fan
LED Anode
Reserved, unused by the redundant fan
Intel order number D31980-009
Intel® Server System SR2500AL
Description
Revision – 1.6
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