View Issue Details

IDProjectCategoryView StatusLast Update
0001761SpeedFanFan controlpublic2011-03-04 19:22
ReporterBlah Assigned Toalfredo  
Status acknowledgedResolutionopen 
Product Version4.43 beta 
Summary0001761: No fan control in Toshiba U500
DescriptionShows "Found TOSHIBA fan driver", and detects one fan, but changes have no effect.
I have sent a report using speedfan too.
TagsNo tags attached.
Motherboard ModelToshiba U500
Video Card Model



2011-03-01 00:01

manager   ~0005909

Toshiba fan support uses a very old interface that worked only ON/OFF. Did you try to set to 0% and 100%?


2011-03-01 12:41

reporter   ~0005911

Yes, no effect.


2011-03-04 19:22

reporter   ~0005919

Last edited: 2011-03-04 19:42

As an aside.. How does it set the fan? Using direct access to toshiba HCI, rather than ACPI?
I'm just wondering, as speedfan does turn on and off the fan on my old toshiba laptop, but using the ACPI _TZ.PFAN, which is itself just a call to HCI, doesn't.

I guess so. Using ACPI SMBR to call HCI FF00/0004 I was able to turn off/on the fan. But PFAN in BIOS ACPI uses HCI FA00/2200, which doesn't seem to have an effect. Strange... Bad BIOS?

Oh well. This is only for my old laptop (6100). New laptop (U500) is much different.

Issue History

Date Modified Username Field Change
2011-02-28 21:19 Blah New Issue
2011-02-28 21:19 Blah Status new => assigned
2011-02-28 21:19 Blah Assigned To => alfredo
2011-03-01 00:01 alfredo Note Added: 0005909
2011-03-01 00:01 alfredo Status assigned => acknowledged
2011-03-01 12:41 Blah Note Added: 0005911
2011-03-04 19:22 Blah Note Added: 0005919
2011-03-04 19:41 Blah Note Edited: 0005919
2011-03-04 19:42 Blah Note Edited: 0005919