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04-12-2004 09:06 PM
04-12-2004 09:06 PM
HW Config:
Win NT 4 SP6a german
Latest Firmware
4x200 MHz Ppro
3x9,1 GB â on SA 2-DH
All Fans are redundancy
2 Power Supplies
When I take the Fans in redundancy mode (all Fans Installed without Fan5) then I get a CPU overheat after 10min. It has the appearance as to work the fans very slowly, but no performance problems.
When I remove the redundant partners and Install Fan5 (Standard Mode), the Server works successfully.
I have already change the Sysboard and the Fans, but cant resolve this problem.
Please can you help
Solved! Go to Solution.
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04-13-2004 10:45 AM
04-13-2004 10:45 AM
Re: ProLiant 5500 â Power and Fan Redundancy
Fan 5 is the Rear auxiliary processor fan. This fan is required along with fan 4 ( primary IO fan) and fan 2 ( Primary processor fan )for the system to run correctly.
Fan 1 and 3 are the redundant processor and IO fans respectively. They are the ones in the very front left and right of the server.
Hope this helps
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04-13-2004 11:09 AM
04-13-2004 11:09 AM
Re: ProLiant 5500 â Power and Fan Redundancy
http://h18004.www1.hp.com/products/servers/ProLiant5500r/overview.html
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04-13-2004 06:22 PM
04-13-2004 06:22 PM
Re: ProLiant 5500 â Power and Fan Redundancy
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04-13-2004 07:23 PM
04-13-2004 07:23 PM
SolutionThe xeon versions only require 2 standard fans and can hold 4 fans if the redundant fans are installed.
The PPro models do need the standard 3 fans to operate normally. The 2 optional I/O and CPU fans can be added to this for redundancy only.
In the below setup and installation guide (for the PPro model )on page 66 of 136 there is a layout of the system board. Note the 5 fan header locations to attach the fan cables to.
13 - CPU fan header
14 - I/O fan header
15 - Redundant I/O fan header
28 - Redundant CPU fan header
29 - CPU fan header
ftp://ftp.compaq.com/pub/products/servers/ProLiant5500-SetupInstallGuide.pdf
Even if redundant fans are added,
the system will overheat if the 3 standard fans are not in place.