Что это за звери могут быть и чем их заводить?

$ lshw
...
        *-isa UNCLAIMED
             description: ISA bridge
             product: SiS963 [MuTIOL Media IO]
             vendor: Silicon Integrated Systems [SiS]
             physical id: 2
             bus info: pci@00:02.0
             version: 25
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master
...

$ lspci
...
0000:00:01.0 PCI bridge: Silicon Integrated Systems [SiS]: Unknown device 0003
...

может оно относиться к неопознанному, пока, модему?

$ lshw
...
        *-communication UNCLAIMED
             description: Modem
             product: AC'97 Modem Controller
             vendor: Silicon Integrated Systems [SiS]
             physical id: 2.6
             bus info: pci@00:02.6
             version: a0
             width: 32 bits
             clock: 33MHz
             capabilities: generic cap_list
             resources: ioport:b400-b4ff ioport:b000-b07f irq:18
...

$ lspci
...
0000:00:02.6 Modem: Silicon Integrated Systems [SiS] AC'97 Modem Controller (rev a0)
...

Идеям рад, по обеим железякам =)