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PE 2400 Fan Speed

Hi, A Dell PowerEdge 2400 in my office has a an option in the system BIOS for setting the fan speed to a medium or high setting. The fan is at the back of the case with a black plastic baffle that channels air from the front of the case across the CPUs and memory cards and the fan exhausts it out the back. There is no CPU temp indicator in the BIOS that I have found. My question is how to determine if the machine needs the high speed setting. The fan is quite noisy at that speed in our small office. The machine has 5 18GB SCSI drives in it, and it backs up remote data at night.
Thanks,
Bill
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westone
Asked:
westone
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1 Solution
 
PCBONEZCommented:
I found this in the feature list for your system:
"" Integrated server management circuitry that monitors operation of the system fans as well as critical system voltages and temperatures. The integrated server management circuitry works in conjunction with the optional HP OpenView Network Node Manager Special Edition (NNM SE) and the Dell Hardware Instrumentation Package (HIP) software package. ""
~ In otherwords you need some Dell software to check the temps and you should be able to do it through Windows.

http://www.tsl.uu.se/tsl/computing/hardware/info/DELL/PowerEdge2400/usersguide/intro.htm

Lacking that as a solution and not being able to mointor temperatures I would get a quieter fan that moves the same or more air.

Please provide the make/model of the fan and I will see if I can find any specs on it.
(Fans generally have this on a label -ON- the fan but sometimes it must be removed to read the label because it's on the wrong side of the fan or you can't see in as installed.)
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westoneAuthor Commented:
According to info at support.dell.com the HIP software is on a CD that came with the server and the version we have supports our OS. I'm attempting to install now and will let you know how it goes.
Thanks for the lead,
Bill
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scrathcyboyCommented:
BIOS calls the temp. monitor "PC Health".  If there is none, the BIOS is badly designed.
With 5 SCSI drives, you can be CERTAIN you need the highest speed.
Why suffer the noise of this old technology?  Two new IBM IDE drives better than 10 old SCSI drives.
I would replace the SCSI RAID drives with a RAID 1 mirror of 2 IBM IDE drives, and put in a low-noise 400W power supply, and enjoy life for a change instead of suffering the curses of yesteryear.  Not worth it!!!
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oseebergCommented:
If ypu can't find a temp-monitor in your BIOS, you should try this tool (freeware) : http://www.download.com/SpeedFan/3000-2094_4-10516200.html?tag=lst-0-1

It gives you the  temeprature, fanspeed etc to determine if the fan setting is correct.

Regards,

Ola
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PCBONEZCommented:
~DUH.~
Read back and think before you post.
This is a server, not a PC, the BIOS doesn't have "PC Health" or temp monitors because those functions are accessed in the OS through the server's software.
This way,,, as it's probably SERVING something,,, you don't have to shut down the whole buiness to just access the BIOS and check the temps.
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scrathcyboyCommented:
no one said you had to shut down to check temp, but that a temp monitor SHOULD be in the BIOS, and if it is not, it is a badly designed BIOS.  Think yourself, if there is no BIOS temp detect, how can you test the system for overheating before an OS is installed?  DUH.  Every modern MB has SW to tell the temp while the system is running, there's nothing new in that -  but if that is all this has, it is a badly designed BIOS, server or not.  A BIOS temp monitor is vital to building a reliable system, you should know that.  
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m-hwangCommented:
If it's making noise, you can see if you can replace the fan with a bigger one.  Larger fans are more efficient and will produce the same amount of flow at a lower speed, and get fluid or bearingless fans.
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PCBONEZCommented:
"Every modern MB"
- Obviously you didn't research the hardware here or you'd know this is an older P3 server.

"test the system for overheating before an OS is installed"
- Why? . It's a server, no OS? . And on a P3 with zero work load? ~RIGHT~ That's a big concern.

"A BIOS temp monitor is vital to building a reliable system"
- NO, a temp monitor is vital to building a reliable system,,,, and it has one.
- Being able to monitor without shutting down (and remotely) is vital to a server.
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westoneAuthor Commented:
Well, it's comforting to know that at least one person who responded is familiar with the equipment I'm dealing with.

The HIP software is installed, and while I can check on the PERC and some other stuff, I'm not finding any temp monitoring features. Though the info you pointed out, and some other info I found at Dell support indicates I should be able to monitor several temp indicators. I installed everything from the CD, or thought I did. I'm going to have another look at the CD and the web site info and see what I might have missed.

Thanks for the help.
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westoneAuthor Commented:
Okay, upon looking closer at the HIP software, it appears that an entry will be made in an alert log if a specific temperature range is exceeded on any one or more of 3 sensors located on the backplane and MB. I'm not seeing anything about the ability to monitor the actual current temperature.
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PCBONEZCommented:
Unfortunatly that sounds consistant with the vintage of the server.
Real time temp monitors came about towards the end of the "P3 Erra".

For now put the fan in the slow speed and monitor the error logs.
If the temp parameters are adjustable set them on the low side.
Make sure the office is on the warm side (hot as it normally gets).
If you don't get any errors..... Leave it in slow...

What OS are you using and what version of HIP?
The board obviously has the hardware for an active monitor.
Given this has been around a while I can't believe someone hasn't created one.
Also since it's a server I'd expect a remote monitor software exists somewhere, by a 3rd party if Dell didn't produce one.
Maybe an SNMP package that reads HIP. ??

I still think getting a quieter fan is a good idea.
Heck, the one in there has some serious miles on it doesn't it?
Call it preventive maintenance....
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