Re: Kernel pre10-3 and Via IDE chipsets, specifically, 82c596/597

From: David Bronaugh (
Date: Thu May 25 2000 - 01:07:04 EST

David Bronaugh wrote:

> Hey
> On boot, the kernel driver for the above mentioned chipset (Via IDE)
> detects the 82c596/597 as an ATA/33 core. This isn't true. The chipset
> has an ata/66 core.
> The motherboard is an Epox EP-MVP3C2, the HD is an IBM DPTA-372050
> (ATA/66 drive), and it's attached to an ata/66 cable.
> Any suggestions, comments, patches, etc would be welcome.. if it's my
> mistake, i'm curious as to why it's listed by Epox as ata/66, why the
> bios detects the drive as ata/66, etc.

Further to the emails from Jeff Garzik and Andre Hedrick:

00:00.0 Host bridge: VIA Technologies, Inc. VT82C597 [Apollo VP3] (rev
00:01.0 PCI bridge: VIA Technologies, Inc. VT82C598 [Apollo MVP3 AGP]
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C596 ISA [Apollo PRO] (rev
00:07.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE [Apollo] (rev
00:07.3 Host bridge: VIA Technologies, Inc.: Unknown device 3050 (rev 20)

00:09.0 Ethernet controller: Advanced Micro Devices 79c970 [PCnet LANCE]
(rev 02)
00:0a.0 Multimedia audio controller: Creative Labs SB Live! (rev 06)
00:0a.1 Input device controller: Creative Labs SB Live! Daughterboard
(rev 06)
01:00.0 VGA compatible controller: Intel Corporation i740 (rev 21)

Also, the motherboard manual states:

Supports ..... and UltraDMA 33/66 (for MVP3C2 only) devices.

It also lists tested UDMA (ATA?) 66 hard drives... I figure it's kinda
pointless to list them.

David Bronaugh

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