The head surfacing high abnormal forecasting manner in the disk unit and the same device

摘要

Topic Try to be able prevent the breakdown of the head or the generation of the media scar. SolutionsAs for atmospheric pressure sensor 160, the atmospheric pressure in the environment where HDD is used is detected. That electricity is supplied to heater 122, on the basis of the atmospheric pressure which is detected by atmospheric pressure sensor 160 you specify CPU270. Sensor breakdown detector 242 detects the breakdown of atmospheric pressure sensor 160. Forecasting the surfacing high abnormality of head 121 according to the detection of breakdown of the atmospheric pressure sensor 160 by sensor breakdown detector 242, that it makes particular head unload 121 from on disk 110, you specify CPU270. Choice figure Drawing 1