ubuntu:hardware:hdparm
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| ubuntu:hardware:hdparm [2023/06/03 11:25] – peter | ubuntu:hardware:hdparm [2023/06/03 11:26] (current) – peter | ||
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| ====== Ubuntu - Hardware - hdparm ====== | ====== Ubuntu - Hardware - hdparm ====== | ||
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| + | **hdparm** is a command-line utility to set and view ATA and SATA hard disk drive hardware parameters. | ||
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| + | ---- | ||
| ===== Show identification and feature info ===== | ===== Show identification and feature info ===== | ||
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| ^Parameter^Description^ | ^Parameter^Description^ | ||
| |-B|Set the Advanced Power Management feature. The value 1 saves the most energy, the value 255 disables the feature. The values in-between are corresponding steps. Values of 127 and below allow the spin-down of the drive.| | |-B|Set the Advanced Power Management feature. The value 1 saves the most energy, the value 255 disables the feature. The values in-between are corresponding steps. Values of 127 and below allow the spin-down of the drive.| | ||
| - | |::: | + | |::: |
| - | |:::|Aggressive power management can wear the drive because of often spin-downs.| | + | |
| |-d|Set the DMA feature for IDE and PATA drives. The value 1 enables the feature, 0 disables the feature.| | |-d|Set the DMA feature for IDE and PATA drives. The value 1 enables the feature, 0 disables the feature.| | ||
| |-E|Set CD / DVD drive speed. Lower speeds can reduces the running noise.| | |-E|Set CD / DVD drive speed. Lower speeds can reduces the running noise.| | ||
ubuntu/hardware/hdparm.1685791548.txt.gz · Last modified: 2023/06/03 11:25 by peter