VitesseSataBus

> cat /sys/class/ata_link/link*/sata_spd
<unknown>
<unknown>
3.0 Gbps
<unknown>
6.0 Gbps
jdd@linux-wacn:~> dmesg | grep -i sata
[    0.000000] ACPI: SSDT 0x00000000C9EB9348 000298 (v01 SataRe SataTabl 00001000 INTL 20120711)
[    2.661283] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 4 ports 6 Gbps 0x14 impl SATA mode
[    2.674609] ata3: SATA max UDMA/133 abar m2048@0xf7a1a000 port 0xf7a1a200 irq 31
[    2.674611] ata5: SATA max UDMA/133 abar m2048@0xf7a1a000 port 0xf7a1a300 irq 31
[    2.990556] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    2.990588] ata5: SATA link up 6.0 Gbps (SStatus 133 SControl 300)