lspcidrake выводит:
unknown         : unknown (15c8/9050/ffff/ffff)

Вот что это:
  Bus  0, device  13, function  0:
    Network controller: PCI device 15c8:9050 (Penta Media Co Ltd) (rev 2).
      IRQ 11.
      Non-prefetchable 32 bit memory at 0xea200000 [0xea20007f].
      I/O at 0x9c00 [0x9c7f].
      Non-prefetchable 32 bit memory at 0xea000000 [0xea1fffff].

Вывод lspci -vvv:
00:0d.0 Class 0280: 15c8:9050 (rev 02)
        Subsystem: 15c8:9050
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
        Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
        Interrupt: pin A routed to IRQ 11
        Region 0: Memory at ea200000 (32-bit, non-prefetchable) [size=128]
        Region 1: I/O ports at 9c00 [size=128]
        Region 2: Memory at ea000000 (32-bit, non-prefetchable) [size=2M]
        Expansion ROM at e9000000 [disabled] [size=2K]

Модуль для этой карты в пакете kernel-modules-pentanet-*