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IDProjectCategoryView StatusLast Update
0002127SpeedFanFan controlpublic2013-05-23 22:11
Reporterfrank10Assigned Toalfredo 
PrioritynormalSeverityminorReproducibilityalways
Status assignedResolutionopen 
PlatformX86-64OSWindows 7 64bitOS VersionProfessional
Product Version4.49 
Target VersionFixed in Version 
Summary0002127: Winbond W83677HG-I: automatically doesn't control 2 fans all at once
DescriptionI have an Intel DH67CF micro-itx Motherboard with CPU i3-2100T

I have a CPU fan with 4 wires and a front fan with 3 wires (but I tested also with 4wires).
SF detects PWM 1,2 and 3 even if I have only 2 connectors for fans.
PWM2 corresponds to Front fan and PWM3 to the CPU fan.
At the default all 3 PWM are with SmartFanIV enabled.

Any fans can't raise up rpm, even if the percentage raises up to 100%.

If I set PWM1 to manual then the front fan(PWM2) reacts fine with the rpm, but CPU fan doesn't.
If I set PWM2 to manual then CPU fan (PWM3) works correctly.
In conclusion it's impossible to use the fans simultaneously in automatic mode.

I don't know if it's related, but I got this error:
"Scanning Intel SMBus at $F040...
SMBus msg : SMB Error $42 : COLLISION (48)"
Steps To ReproduceLeave all PWM to the default SmartFanIV with 2 fans connected.
Additional InformationSome pics and italian description here:
http://www.hwupgrade.it/forum/showthread.php?p=39497473
TagsNo tags attached.
Motherboard Model Intel 6 Series DH67CF mini-itx
Video Card ModelIntel IGT 2000

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Issue History

Date Modified Username Field Change
2013-05-23 22:11 frank10 New Issue
2013-05-23 22:11 frank10 Status new => assigned
2013-05-23 22:11 frank10 Assigned To => alfredo