Subject: Re: Serial ATA Cards - Follow Up
To: Christopher Tribo <t1345@hopi.dtcc.edu>
From: Luke Mewburn <lukem@netbsd.org>
List: current-users
Date: 04/18/2003 12:56:06
On Thu, Apr 17, 2003 at 09:04:16PM -0400, Christopher Tribo wrote:
  | On Fri, 18 Apr 2003, Luke Mewburn wrote:
  | 
  | > On Thu, Apr 17, 2003 at 08:44:06PM +0000, MLH wrote:
  | > <snip>
  | > competition), but they are extremely *quiet* and run fairly cool too,
  | > especially compared to the IBM IC35xxxAVER drives I was using in my
  | > 24x7 file server...
  | 
  | 	FWIW, there's also a drive mode page that controls the 
  | auto-level and acoustic bits on the drive. On my seagate you can pick 
  | between: Quiet, Balanced, and Performance. They do default to quiet IIRC.

The IBM acoustic management tweaks more affect how noisy the seeks are.
It has no effect on the high-pitch whine that the disks have (at least
on the DTLA-307030 and IC35L040-AVER07 drives I've got).