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IDProjectCategoryView StatusLast Update
0000956SpeedFanFan controlpublic2008-05-14 19:56
Reporterjeffjozwiak Assigned Toalfredo  
Status resolvedResolutionfixed 
Platformtyan k8we s2895OSwin xp proOS Versionxp pro
Fixed in Version4.34 
Summary0000956: No fan control on LPC47B397
DescriptionThis chip is recognized by speedfan but there is no pwm control. If I go into Advanced tab I see where I can set fan div/multi and offset but there is no PWM setting. I do see these settings on the SMBus and that controls my GPU fan. I can't manage my CPU and chassis fans over the LPC47B397 ISA $47B.
Steps To ReproduceNothing to reproduce. No setting available in Advanced tab.
TagsNo tags attached.
Motherboard Model
Video Card Model



2007-08-26 01:54

reporter   ~0002754

Please see attached files for screen images of state.


2007-08-26 16:32

manager   ~0002759

Unfortunately, the datasheet that I have doesn't include the relevant info.


2007-08-28 11:44

manager   ~0002780

I'm back. Please, send me a SEND REPORT from SpeedFan's INFO tab, then email me at alfredo [at]


2007-10-01 10:26

manager   ~0003004

I just added full fan control for the LPC47B397. Contact me by email (alfredo [at] to receive the latest beta.


2007-10-01 12:26

manager   ~0003005

I already sent you the beta. Did you receive my emails?

Issue History

Date Modified Username Field Change
2007-08-25 23:09 jeffjozwiak New Issue
2007-08-26 01:54 jeffjozwiak Note Added: 0002754
2007-08-26 16:32 alfredo Note Added: 0002759
2007-08-26 16:32 alfredo Status assigned => acknowledged
2007-08-28 11:44 alfredo Note Added: 0002780
2007-10-01 10:26 alfredo Note Added: 0003004
2007-10-01 12:26 alfredo Note Added: 0003005
2008-05-14 19:56 alfredo Status acknowledged => resolved
2008-05-14 19:56 alfredo Resolution open => fixed
2008-05-14 19:56 alfredo Fixed in Version => 4.34