How do I enable AHCI

[Gene Heskett]

On Saturday, January 03, 2015 10:47:11 PM peter maddison did opine
And Gene did reply:
> Heck, you are right (not that I was doubting you in ANY way)
> 
> [    2.130533] ahci 0000:00:11.0: version 3.0
> [    2.130806] ahci 0000:00:11.0: AHCI 0001.0100 32 slots 6 ports 3
> Gbps 0x3f impl SATA mode
> [    2.130809] ahci 0000:00:11.0: flags: 64bit ncq sntf ilck pm led clo
> pmp pio slum part ccc
> [    2.131571] scsi0 : ahci
> [    2.131679] scsi1 : ahci
> [    2.131891] scsi2 : ahci
> [    2.132005] scsi3 : ahci
> [    2.132154] scsi4 : ahci
> [    2.132200] scsi5 : ahci
> 
> I have a DVD drive connected to 5 and was wondering why it was not
> working. I may have to open up the tower and investigate the power
> connectors...
>
Data cables too, particularly if its 4 or 5 years old AND red.  The red 
dye in insulation tends to corrode the wire within.  I have actually cut 
an inch of the stuff off, and working over a clean paper, shook copper 
oxide dust out the the insulation, there was no actual wire left.
 
> Thanks Felix.
> 
> On 04/01/15 03:39, Felix Miata wrote:
> > peter maddison composed on 2015-01-04 03:20 (UTC):
> >> I would like to know how I enable AHCI so I can use SATA 4 & 5.
> >> I know how to enable it in BIOS but I've heard that I have to do
> > 
> > Heard where?
> > 
> >> something to the Kernel but I don't know what.
> > 
> > You would probably have to go all the way back to 6.10 to find a
> > kernel that doesn't use AHCI by default if the BIOS has it enabled.
> > 
> > Try this in Konsole to prove you're already using it:
> > 	dmesg | grep ahci


Cheers, Gene Heskett
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