to Bart Samwel and all others who are interested : For some people an apm of 254 doesn't work. For example : http://ubuntuforums.org/showpost.php?p=3915142&postcount=553
Maybe an apm of 255 works for some of those people. For others "sudo smartctl -o on /dev/sda" is needed in order to be able to make apm 254 work for some drives (particularly certain samsung drives). At least two people have confirmed this. For example see http://ubuntuforums.org/showpost.php?p=3672087&postcount=18 >From : https://bugs.launchpad.net/ubuntu/+source/hdparm/+bug/172287/comments/1 : [quote=Matthias Dietrich] Looking at hdparm's code, we can see that the value of 255 will NOT be sent to the harddrive, but it will send the "disable APM"(0x85) command instead of "set APM to xxx" (0x05). [/quote] -- High frequency of load/unload cycles on some hard disks may shorten lifetime https://bugs.launchpad.net/bugs/59695 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
