gentoo@livecd ~ $ dmesg | grep Controller
PNP: PS/2 Controller [PNP0303:KBC,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
ehci_hcd 0000:00:1d.7: EHCI Host Controller
USB Universal Host Controller Interface driver v2.3
uhci_hcd 0000:00:1d.0: UHCI Host Controller
uhci_hcd 0000:00:1d.1: UHCI Host Controller
uhci_hcd 0000:00:1d.2: UHCI Host Controller
uhci_hcd 0000:00:1d.3: UHCI Host Controller
ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
gentoo@livecd ~ $ dmesg | grep controller
PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.2
gentoo@livecd ~ $ dmesg | grep SCSI
SCSI subsystem initialized
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sda: 153356490 512-byte hdwr sectors (78519 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 153356490 512-byte hdwr sectors (78519 MB)
SCSI device sda: drive cache: write back
gentoo@livecd ~ $ dmesg | grep scsi
scsi0 : ata_piix
sd 0:0:0:0: Attached scsi disk sda
gentoo@livecd ~ $