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HDDerase equivalent for Mac?
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11-03-2009 05:42 PM
I have an Intel x25-m G2 drive in a 13" MacBook Pro with the latest firmware (the one causing all the issues on Windows 7). It has been fine, but I'm curious if there's a way to send the secure erase ATA command to the drive like HDDerase does.
I've made FreeDOS boot discs with HDDerase on it, but it doesn't see the drive (I believe this is because the Mac always has the drive in enhanced SATA mode and I believe HDDerase requires IDE mode -- something I cannot change, nor would I want to in light of the latest firmware issues possibly springing from switching ide/ahci modes for the drive).
I'm sure other Mac users are wondering the same thing.
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11-04-2009 10:59 PM
I don't have a Mac but hot-plugging SATA disks is fine. I followed the wiki article, booted with a Linux live CD and the bottom laptop panel open. Once at the desktop, I just gently disconnectd the disk from the laptop connector by sliding it out slightly and then plugging it back after about 5 seconds. The disk then gets detected as /dev/sda and it is in the "unfrozen" state, which will allow you to follow the rest of the article.
I too hope that Intel gives us a manual TRIM tool that works under different OSes but it could just be wishful thinking.
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11-05-2009 04:37 AM
Interesting.
Can you elaborate on why hot plugging SATA drives is fine? I always thought this was a bad idea but I'll be glad to be wrong about it.
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11-24-2009 04:27 PM
It's fine to hotplug SATA drives because they were designed for it. If you look at the connector, certain pins are actually longer than others to ensure that those pins make contact first when being inserted. http://en.wikipedia.org/wiki/Serial_ATA# Hotplug http://en.wikipedia.org/wiki/Serial_ATA# Hotplug has a little info on it.
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11-07-2009 02:23 PM
I hot plugged the drive while booted to a linux livecd, and it unfroze the drive. i was able to use hdparm to send the secure erase ata command and it worked great. Only took about a minute to wipe my 160gb drive.
I appreciate the help.
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11-06-2009 06:55 AM
I too would like to know when Intel will provide a method for us Mac users to restore our drives to like new performance...
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