This is output of dmesg using this sata_sis module.
PCI(00:05.0): Detected SiS 182 chipset ata1: SATA max UDMA/133 cmd 0x1CB0 ctl 0x1CA6 bmdma 0x1C90 irq 9 ata2: SATA max UDMA/133 cmd 0x1CA8 ctl 0x1CA2 bmdma 0x1C98 irq 9 ata1: dev 0 cfg 49:2f00 82:746b 83:7f01 84:4023 85:7469 86:3e01 87:4023 88:407f ata1: dev 0 ATA, max UDMA/133, 156301488 sectors: lba48 ata1: dev 0 configured for UDMA/133 ata2: no device found (phy stat 00000001) scsi0 : sata_sis scsi1 : sata_sis Vendor: ATA Model: WDC WD800JD-55MU Rev: 10.0 Type: Direct-Access ANSI SCSI revision: 05 Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)