Subject: Re: IDE interface at PCI bus?
To: Bernd Sieker <bsieker@techfak.uni-bielefeld.de>
From: David Brownlee <abs@anim.dreamworks.com>
List: port-i386
Date: 12/02/1998 11:55:44
	You can enable pciide support via Manuel Bouyer's patches
	available at:

	ftp://ftp.netbsd.org/pub/NetBSD/arch/i386/ide-1.3.2/

		David/absolute

       What _is_, what _should be_, and what _could be_ are all distinct.

On Wed, 2 Dec 1998, Bernd Sieker wrote:

> 
> Hi,
> 
> again one of those stupid hardware quastions...
> 
> I use NetBSD-1.3.2.
> 
> As most more recent PCs my board has 2 (E)IDE interfaces onboard,
> supposedly connected via the PCI bus.
> 
> However, the kernel configuration file does not have options for ide
> buses at pci, and although the kernel detects it like: 
> 
>   vendor 0x1106 product 0x0571 (IDE mass storage, interface 0x8a,\
> 	revision 0x06) at pci0 dev 7 function 1 not configured
> 
> it still configures only wdc0 at isa0 port 0x1f0-0x1f7 irq 14.
> 
> Does this have any meaning for performance, or is it just that the IDE
> interface resides "logically" on the ISA bus?
> 
> My board also supports UDMA/33 transfers, but NetBSD only uses:
>   wd0: using 16-sector 16-bit pio transfers, lba mode
> 
> I'm not an expert in PC hardware, so maybe anyone could clarify the
> situation here? I did not find anything in the FAQs.
> 
> -- 
> Bernd Sieker
>