TW200702693A - Method for automatically detecting a type of a CPU fan - Google Patents
Method for automatically detecting a type of a CPU fanInfo
- Publication number
- TW200702693A TW200702693A TW094124076A TW94124076A TW200702693A TW 200702693 A TW200702693 A TW 200702693A TW 094124076 A TW094124076 A TW 094124076A TW 94124076 A TW94124076 A TW 94124076A TW 200702693 A TW200702693 A TW 200702693A
- Authority
- TW
- Taiwan
- Prior art keywords
- rpm
- cpu fan
- cpu
- fan
- type
- Prior art date
Links
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The present invention relates to a method for automatically detecting a type of a CPU (Central Processing Unit) fan. The method includes the steps of: setting the CPU fan to run at a full speed; obtaining revolutions of the CPU fan by a sensor during a fixed period; calculating an RPM (Revolutions Per Minute) of the CPU fan as a first RPM; setting the CPU fan to run at any speed under the full duty; waiting for a while; obtaining revolutions of the CPU fan by the sensor during the fixed period and calculating an RPM of the CPU fan as a second RPM; determining whether the second RPM is less than the first RPM; if the second RPM is less than the first RPM, identifying the type of the CPU fan as a four-pin CPU fan; if the second RPM is not less than the first RPM, identifying the type of the CPU fan as a three-pin CPU. Using this invention can detect the type of the CPU fan and improve the lifetime of the CPU fan.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094124076A TW200702693A (en) | 2005-07-15 | 2005-07-15 | Method for automatically detecting a type of a CPU fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094124076A TW200702693A (en) | 2005-07-15 | 2005-07-15 | Method for automatically detecting a type of a CPU fan |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200702693A true TW200702693A (en) | 2007-01-16 |
Family
ID=57910502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW094124076A TW200702693A (en) | 2005-07-15 | 2005-07-15 | Method for automatically detecting a type of a CPU fan |
Country Status (1)
Country | Link |
---|---|
TW (1) | TW200702693A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102108963A (en) * | 2009-12-24 | 2011-06-29 | 和硕联合科技股份有限公司 | Fan detection device and method |
-
2005
- 2005-07-15 TW TW094124076A patent/TW200702693A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102108963A (en) * | 2009-12-24 | 2011-06-29 | 和硕联合科技股份有限公司 | Fan detection device and method |
CN102108963B (en) * | 2009-12-24 | 2014-06-18 | 和硕联合科技股份有限公司 | Fan detection device and method |
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TW200702693A (en) | Method for automatically detecting a type of a CPU fan |