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I have a really nice Compaq ML350G2 that I use as a Ubuntu LAMP server - 2x1.3Ghz cpu, RAID, etc. Works great except for the fan noise which is insane. I purchased and installed a high-quality Silenx IXP-74-11 fan which is truly whisper quiet. The problem is that 30 seconds into the boot, the motherboard/bios reports a fan failure and reboots. There is a status LED on the motherboard and it indicates a fan failure, though the fan is turning. This is a three wire fan and does provide a RPM signal.

I don't know what the mainboard/BIOS is looking at to determine an error.

Is the fan too slow? It turns 1100RPM at 12v. I think the OE fan is faster.

Is there some other kind of Compaq-specific magic going on?

Thanks for any insight.

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Last Post by jbennet
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this is a SERVER, not a PC. if you don't use the proprietary equipment in it, it detects failures in that equipment, and acts accordingly.

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exactly

servers arent designed to be quiet anyway. They are designed to be cool so they can run 24/7

Ive got an old proliant 1600 (dual pentium 2 lol) and it sounds like a damn jet taking off, but it has never overheated.

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