1. Go to http://www.hp.com/bizsupport.
2. Select Download Drivers and Software.
3. Select HP Integrity Servers.
4. Select the link for your server product.
After the firmware has been downloaded, you can install the memory. To install DIMMs, see
“Installing Memory” (page 210).
Cooling
There are six system fans assemblies that cool the server. The fans are hot-swappable,
interchangeable and serviced through the top and rear of the chassis. The fan rotors are N+1,
meaning that the server has 12 fan rotors (six fans), but can operate for a limited time with 11 or
10 fan rotors running, see Table 5 (page 23). If the time threshold is reached, the server
automatically shuts down to prevent an overtemperature condition.
Table 5 Fan Events
ActionEvent
All rotors to maximum speed
1
Server chassis top cover removed
All remaining rotors to maximum speedOne fan rotor fails or is too slow
All remaining rotors to maximum speed and hard shut down after two
minutes of continuous failure
Two or more fan motors fail or are too
slow
All remaining rotors to maximum speed and hard shut down after two
minutes of continuous failure
2
One or more fan units removed
1
NOTE: Although the fans speed up to provide cooling when the top cover is removed, HP recommends replacing the
top cover within 15 seconds.
2
NOTE: HP recommends replacing fans within 20 seconds.
Airflow enters through the front and exhausts out the rear. Airflow baffles might be required to
optimize air circulation within the enclosure. Fans are monitored by the system to indicate
performance.
The airflow strategy contains two thermal zones with three fan units in the bottom zone, and three
fan units in the upper zone along with two power supplies that provide their own individual cooling.
Depending on the configuration, certain component locations will need filler panels. These installed
airflow filler panels and blockers ensure airflow and EMI integrity. Internally, the system may require
a CPU airflow baffle and a memory airflow baffle. Rear I/O bulkhead covers are required in
unoccupied slots.
Server Subsystems 23
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