lspci - NFS on RS3621xs+
Slot: 00:00.0
Class: Host bridge [0600]
Vendor: Intel Corporation [8086]
Device: 440FX - 82441FX PMC [Natoma] [1237]
SVendor: Red Hat, Inc. [1af4]
SDevice: Qemu virtual machine [1100]
Rev: 02
Slot: 00:01.0
Class: ISA bridge [0601]
Vendor: Intel Corporation [8086]
Device: 82371SB PIIX3 ISA [Natoma/Triton II] [7000]
SVendor: Red Hat, Inc. [1af4]
SDevice: Qemu virtual machine [1100]
PhySlot: 1
Slot: 00:01.1
Class: IDE interface [0101]
Vendor: Intel Corporation [8086]
Device: 82371SB PIIX3 IDE [Natoma/Triton II] [7010]
SVendor: XenSource, Inc. [5853]
SDevice: 82371SB PIIX3 IDE [Natoma/Triton II] [0001]
PhySlot: 1
ProgIf: 80
Driver: ata_piix
Module: ata_piix
Module: ata_generic
Slot: 00:01.2
Class: USB controller [0c03]
Vendor: Intel Corporation [8086]
Device: 82371SB PIIX3 USB [Natoma/Triton II] [7020]
SVendor: XenSource, Inc. [5853]
SDevice: 82371SB PIIX3 USB [Natoma/Triton II] [0001]
PhySlot: 1
Rev: 01
Driver: uhci_hcd
Module: uhci_hcd
Slot: 00:01.3
Class: Bridge [0680]
Vendor: Intel Corporation [8086]
Device: 82371AB/EB/MB PIIX4 ACPI [7113]
SVendor: Red Hat, Inc. [1af4]
SDevice: Qemu virtual machine [1100]
PhySlot: 1
Rev: 01
Module: i2c_piix4
Slot: 00:02.0
Class: VGA compatible controller [0300]
Vendor: Vendor [1234]
Device: Device [1111]
SVendor: XenSource, Inc. [5853]
SDevice: Device [0001]
PhySlot: 2
Driver: bochs-drm
Module: bochs_drm
Slot: 00:03.0
Class: SCSI storage controller [0100]
Vendor: XenSource, Inc. [5853]
Device: Xen Platform Device [0001]
SVendor: XenSource, Inc. [5853]
SDevice: Xen Platform Device [0001]
PhySlot: 3
Rev: 02
Driver: xen-platform-pci