localhost ~ # grep -i sata /var/log/dmesg
sata_via 0000:00:0f.0: version 2.0
sata_via 0000:00:0f.0: routed to hard irq line 10
ata1: SATA max UDMA/133 cmd 0xE800 ctl 0xE402 bmdma 0xD800 irq 10
ata2: SATA max UDMA/133 cmd 0xE000 ctl 0xDC02 bmdma 0xD808 irq 10
scsi0 : sata_via
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
scsi1 : sata_via
ata2: SATA link down 1.5 Gbps (SStatus 0 SControl 300)
localhost ~ # fdisk /dev/sda
Unable to open /dev/sda