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08-26-2005, 06:44 PM
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#1 |
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Member (9 bit)
Join Date: Dec 2004
Location: Michigan
Posts: 421
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Problem with CPU fan
I went to install a new cpu fan today
http://www.newegg.com/Product/Produc...19#DetailSpecs And everytime I hook it up, my computer throws a double beep siren at me and shuts off but contiunes to beep until I unplug the pc. But if I hook up my old fan, it runs fine. My setup is below. I am guessing I am overloading the psu maybe or the motherboard (even though the only connector that goes from the cpu fan to the motherboard is the rpm connector, the rest goes to the power supply). And it throws this 9.F code at me on my Uguru (abit thing). Any ideas on how to fix this? I have a OCZ 470W powerstream psu. Oh and as far as other fans go, I have 7 80mm fans, one of them a (Tornado) fan other than the cpu fan.
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Intel Dual-Core E8400 (E0), Thermalright XP-120, 2x1GB DDR2-1066 G.Skill, ATI X1800XT, SB X-Fi, Logitech Z-5500 5.1, 470W OCZ Powerstream, ASUS P5Q Pro, 500GB Seagate Barracuda, 300GB Seagate (backup), 74GB Raptor HD (old OS) |
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08-26-2005, 06:53 PM
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#2 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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I think you're getting the alarm because the Panaflo isn't a 3 wire fan (with RPM sensor wire)...it's just a 2 wire fan (power and ground). The motherboard senses the CPU fan by the RPM sensor wire and it thinks there's no fan or the fan is dead because it's sensing 0 RPMs. You gotta use a 3 wire fan with RPM sensor.
 Cricket
Last edited by Cricket; 08-26-2005 at 06:56 PM. |
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08-26-2005, 06:56 PM
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#3 | |
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Member (9 bit)
Join Date: Dec 2004
Location: Michigan
Posts: 421
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Quote:
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08-26-2005, 07:02 PM
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#4 |
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Shiro Usagi
Premium Member
Join Date: Sep 1999
Location: Kaneohe, Hawaii
Posts: 34,002
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But does the Panaflo fan itself have 3 wires on it...red, black, yellow? My Panaflo fans are all 2 wire fans with no RPM sensor wire (and I have 8 Panaflo 80mm fans installed in my various computers). If your Panaflo only has 2 wires it doesn't have an RPM sensor built in and your motherboard can't get a RPM signal from it.
Cricket
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08-26-2005, 07:09 PM
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#5 | |
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Member (9 bit)
Join Date: Dec 2004
Location: Michigan
Posts: 421
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Quote:
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08-26-2005, 08:07 PM
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#6 |
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Member (9 bit)
Join Date: May 2005
Location: Georgia, USA.
Posts: 313
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I would get a different fan. That rpm snesor can be the difference between sweet gaming rig and a smoking pile of junk. Without it sensing rpm's should that fan quite your computer won't get the message to kill power from the power supply. Then bye-bye gaming rig. Just do yourself a favor and get a 3 wire fan.
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08-26-2005, 09:06 PM
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#7 | |
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Member (9 bit)
Join Date: Dec 2004
Location: Michigan
Posts: 421
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08-28-2005, 11:08 AM
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#8 |
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Member (9 bit)
Join Date: Jun 2005
Posts: 487
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Can't you boot the PC with the old fan, go into the BIOS and disable 'Shutdown when CPU fan fail' or whatever? Then stick the new one in, and it should ignore the fact that it can't sensor the RPM (although you'll have no protection if it does actually fail).
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08-29-2005, 12:33 AM
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#9 |
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Member (13 bit)
Join Date: Sep 1999
Posts: 4,956
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I would agree disable the alarm for fan and leave the temp warnings enabled.
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