AVerMedia M792 PCIe Combo (OEM)

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AVerMedia M792 PCIe Combo (OEM)

A low-profile NTSC/ATSC PCIe card from AVerMedia.

It is currently not supported under Linux.


The AVerMedia PCIe Combo (OEM) is probly related to the AVerMedia M791 except in a few components. The M792 can be found in HP Pavilion Slimline desktop PCs; however HP does not list the AverMedia model number on its product specification page.

Components Used

  • LG LGDT3304 (8VSB/QAM demodulator)
  • Conexant CX23887-14Z (A/V Decoder & PCIe bridge)
  • Conexant CX23417-11Z (MPEG-2 A/V Encoder)
  • EtronTech EM638325TS-6G (SDRAM)
  • NXP TDA8295 (analog TV demodulator)


lspci -vv output

03:00.0 Multimedia video controller: Conexant Device 8880 (rev 0f)
        Subsystem: Avermedia Technologies Inc Device de39
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at ef600000 (64-bit, non-prefetchable) [size=2M]
        Capabilities: [40] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr- TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <2us, L1 <4us
                        ClockPM- Suprise- LLActRep- BwNot-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk-
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt-
        Capabilities: [80] Power Management version 2
                Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [90] Vital Product Data <?>
        Capabilities: [a0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [100] Advanced Error Reporting <?>
        Capabilities: [200] Virtual Channel <?>
        Kernel driver in use: cx23885
        Kernel modules: cx23885

lspci -vn output

03:00.0 0400: 14f1:8880 (rev 0f)
	Subsystem: 1461:de39

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