KT600 ATA wrong detection with BIOS-disabled SATA

[quetzal at roks.biz]

Hi, Dmitry,

On Thu, Mar 25, 2004 at 11:01:12PM +0300, Dmitry Morozovsky wrote:
> Dear colleagues,
> 
> I just upgraded my work machine and moved to new motherboard (MSI KT6 Delta
> MS-6590).
> 
> I have only PATA devices, so I've disabled SATA onboard controller in BIOS.
> The result was, eghm, interesting: ATA controller has been detected as Generic
> VIA, so UDMA modes are unavailable. Attached are two pairs of verbose dmesgs
> and `pciconf -lv' output from 4-stable as of today.

Looks like I have the same problem with my ECS KT600-A

SATA Enabled:
==============================================================
atapci0 at pci0:15:0:      class=0x010400 card=0x18841019 chip=0x31491106 rev=0x80 hdr=0x00
    vendor   = 'VIA Technologies Inc'
    class    = mass storage
    subclass = RAID
atapci1 at pci0:15:1:      class=0x01018a card=0x05711106 chip=0x05711106 rev=0x06 hdr=0x00
    vendor   = 'VIA Technologies Inc'
    device   = 'VT82xxxx EIDE Controller (All VIA Chipsets)'
    class    = mass storage
    subclass = ATA

# atacontrol list
ATA channel 0:
    Master: acd0 <ATAPI CD-RW CW4801/130C> ATA/ATAPI rev 0
    Slave:   ad1 <SAMSUNG SV2001H/QN200-05> ATA/ATAPI rev 6
ATA channel 1:
    Master:      no device present
    Slave:   ad3 <FUJITSU MPG3204AH E/C3C7> ATA/ATAPI rev 5
ATA channel 2:
    Master:      no device present
    Slave:       no device present
ATA channel 3:
    Master:      no device present
    Slave:       no device present

# atacontrol mode 0
Master = PIO4
Slave  = UDMA100
# atacontrol mode 1
Master = ???
Slave  = UDMA100

SATA Disabled:
===============================================================
atapci0 at pci0:15:0:      class=0x01018a card=0x18841019 chip=0x05711106 rev=0x06 hdr=0x00
    vendor   = 'VIA Technologies Inc'
    device   = 'VT82xxxx EIDE Controller (All VIA Chipsets)'
    class    = mass storage
    subclass = ATA

# atacontrol list
ATA channel 0:
    Master: acd0 <ATAPI CD-RW CW4801/130C> ATA/ATAPI rev 0
    Slave:   ad1 <SAMSUNG SV2001H/QN200-05> ATA/ATAPI rev 6
ATA channel 1:
    Master:      no device present
    Slave:   ad3 <FUJITSU MPG3204AH E/C3C7> ATA/ATAPI rev 5

# atacontrol mode 0
Master = PIO4
Slave  = WDMA2
# atacontrol mode 1
Master = ???
Slave  = WDMA2

Best regards,
	Nikolay Pavlov.