If your system is too hot and burn your system using 1 fan instead of double fan, please don’t blame me. Removed all fans leaving only one per bay. System x Server Log in to participate. Alexander thanks for your reply. This is an engineering flaw. Seems to work as the machine temperature remain at acceptable level.

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Although IMHO if you introduce bugs with new updates you should take care of it and not ignore them. Seems to work as the machine temperature remain at acceptable level. Lets check ibm x336 system configuration. This does not happen with previous ibm x336 levels.

The very loud fan sound at startup? If you update the firmware to version 1. If you install a second microprocessor, the seventh fan, fan 4, comes with ibm x336 optional second microprocessor.

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In the high speed the ibm x336 of fan is 12v. Then I moved it to the company server room, it is extremely noisy compared with other 5 servers. It stays that way. Maybe, but I don’t think it is necessary. After I investigated it, I found that the double ibm x336 design is the cause.

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dW:Eserver:System x Server:Help. IBM x () – System x Server Forum

Israel, there is info in documentation: Alexander thanks for your reply. There ibm x336 an software to vary the speed? Regards, Alexander Novikov Russia, Moscow. Log in to reply.

If ibm x336 find any replacement fan NOT double fanplease let me know. Unanswered question This question has not been answered yet. Say that the noise could be lower ibm x336 a new fan on the system is detected, all would lower the number of rpm in the same way ibm x336 increase to remove any of the system fan.

This is an engineering flaw. I come up with my solution, just seperate the double fan, use 1 of them in the system, place the other one on the top of the case. I think this solution is good for me.

I have testing that when the fan is are low speed ibm x336 the supply voltage is 5. But the fan has a tachometer that informs of changes to the system and it immediately increases the supply voltage. They are loud a F during start when being switched on but this lasts only for a couple of seconds until the fan management has been initialized.


I realize that this is an older server, but since it is a BIOS flaw, is there any chance of it being fixed? Can you tell us if you have an model, ibm x336 can you tell us if you are running the ibm x336 firmware level?

I have one server IBM X model: By the way, I have two x and can’t say they ibm x336 very loud. I wonder if it is possible to reduce 3×36 fan speed.

Because it makes too much noise. Stupid mechanical design, double the ibm x336 to have more power? I bought on eBay optional fan.