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Date: Thu, 13 Nov 1997 12:26:03 -0800 (PST)
From: Doug White <dwhite@gdi.uoregon.edu>
Reply-To: Doug White <dwhite@resnet.uoregon.edu>
To: Francis Vidal <francis@cody.usls.edu>
cc: FreeBSD-questions <questions@FreeBSD.ORG>
Subject: Re: optimize PCI-IDE controller
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On Wed, 12 Nov 1997, Francis Vidal wrote:

> how do i know that the PCI-IDE controller is optimized for a certain HD,
> say 2.1GB Seagate Medalist IDE HD? how do i fine-tune the configuration of
> the kernel so that it will take advantage of the IDE's features (i.e.
> 32bit block mode, etc.)

Currently you want to set flags 0x80ff80ff to enable 32 bit and
multi-block transfers.  If you upgrade to 3.0-CURRENT then the PIO /
UltraDMA modes are supported. 

> where can i find such document that discusses this issue?

man wd

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major