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From: walt <w41ter@gmail.com>
Subject: [gentoo-user] Re: hdparm -d 1 -X 68 ?
Date: Thu, 18 Feb 2010 14:53:58 -0800
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References: <loom.20100218T153139-130@post.gmane.org> <201002182157.21166.michaelkintzios@gmail.com>
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On 02/18/2010 01:57 PM, Mick wrote:
> On Thursday 18 February 2010 14:33:38 James wrote:

>> Should I put the drive into udma4 mode?
>>
>> If so, wouldn't I use:
>>
>> hdparm -d 1 -X 68  /dev/hda
>
>
> According to the hitachi manual (who made this drive for IBM) the DJNA-3XXXXX
> series has a Ultra ATA Mode 2 (33.3 MB per second) capability.  So the kernel
> is not lying in this case and you can trust hdparm in what it shows.  I
> suggest you leave alone.

Shouldn't the drive just refuse any command that it can't do?