Veja ai
# lspci -v
...
01:00.0 VGA compatible controller: ATI Technologies Inc M22 [Mobility Radeon X300] (prog-if 00 [VGA controller])
    Subsystem: Dell Device 2006
    Flags: bus master, fast devsel, latency 0, IRQ 16
    Memory at d0000000 (32-bit, prefetchable) [size=128M]
    I/O ports at de00 [size=256]
    Memory at dfdf0000 (32-bit, non-prefetchable) [size=64K]
    [virtual] Expansion ROM at dfd00000 [disabled] [size=128K]
    Capabilities: [50] Power Management version 2
    Capabilities: [58] Express Endpoint, MSI 00
    Capabilities: [80] Message Signalled Interrupts: Mask- 64bit+ Count=1/1 Enable-
    Capabilities: [100] Advanced Error Reporting
        UESta:    DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSVoil-
        UEMsk:    DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSVoil-
        UESvrt:    DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSVoil-
        CESta:    RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
        CESta:    RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
        AERCap:    First Error Pointer: 00, GenCap- CGenEn- ChkCap- ChkEn-
    Kernel modules: radeon, radeonfb
...