On 10/ 5/10 09:40 PM, Julian Wiesener wrote:
On 10/ 5/10 10:13 PM, Paul Johnston wrote:
Er what sort of name would you expect to see for a sata device?
SATA devices normaly have a Taget, so it's c4t0d0 instead of c4d0.
However, these are names, if you want to know what interface type is
used, you should look on the device path:
This is what an SATA device looks like with Native AHCI disabled:
$ ls -la /dev/dsk/c7d0s0
lrwxrwxrwx 1 root root 51 May 23 2009 /dev/dsk/c7d0s0
-> ../../devices/p...@0,0/pci-...@1f,2/i...@0/c...@0,0:a
This is what an SATA device looks like with Native AHCI enabled:
$ ls -la /dev/dsk/c3t0d0s2
lrwxrwxrwx 1 root root 49 Jan 6 2009
/dev/dsk/c3t0d0s2 -> ../../devices/p...@0,0/pci1028,2...@1f,2/d...@0,0:c
Many especially older systems have it disabled by default because
Windows was not able to boot from SATA devices in the past. Also some
vendors disabled the Native AHCI switch in their BIOS. If you're lucky
an BIOS update will make it available, if not, you're out of luck (or
go to the fency BIOS hackers crowd and possible trash your BIOS).
Regards,
Julian
I have a Dell Optiplex 755 and when I switched in the bios from ATA to
AHCI it wouldn't boot so I'll get another disk and do a re-install then
I can have a REAL play around and see what the difference is :-)
(Wonder if dtrace shows faster file operations!)
Back now in ATA mode.
Seconding what the OP says it's a pleasure to deal with so many really
clever people as there are on this forum and how free they are with
their help.
Many Thanks Paul
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