Re: AHCI on ICH7

Anton Yuzhaninov wrote:
> Is it possible to get AHCI working on this controller:
> 
> atapci1_at_pci0:0:31:2:    class=0x01018f card=0x72101462 chip=0x27c08086
> rev=0x01 hdr=0x00
>     vendor     = 'Intel Corporation'
>     device     = '82801GB/GR/GH (ICH7 Family) Serial ATA Storage
> Controller'
>     class      = mass storage
>     subclass   = ATA
>     bar   [10] = type I/O Port, range 32, base 0xe880, size  8, enabled
>     bar   [14] = type I/O Port, range 32, base 0xe800, size  4, enabled
>     bar   [18] = type I/O Port, range 32, base 0xe480, size  8, enabled
>     bar   [1c] = type I/O Port, range 32, base 0xe400, size  4, enabled
>     bar   [20] = type I/O Port, range 32, base 0xe080, size 16, enabled
>     cap 01[70] = powerspec 2  supports D0 D3  current D0
> 
> BIOS show that AHCI 1.0 supported.

Seems like not. Even if this chip supports AHCI (only if it is ICH7R or
ICH7M), BIOS haven't enabled AHCI mode on it. If it would do, you would
see subclass = SATA and one more memory bar here.

-- 
Alexander Motin