Andy,
In my working Dell Optiplex I get:
[EMAIL PROTECTED]:~# lspci -tvv
-[0000:00]-+-00.0 Intel Corporation 82915G/P/GV/GL/PL/910GL Memory
Controller Hub
[snip]
+-1e.0-[0000:04]----01.0 Conexant CX23418 Single-Chip MPEG-2
Encoder with Integrated Analog Video/Broadcast Audio Decoder
[EMAIL PROTECTED]:~# lspci -s 0:1e.0 -vv -x
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d3)
(prog-if 01 [Subtractive decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast
>TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Bus: primary=00, secondary=04, subordinate=04, sec-latency=32
Memory behind bridge: d4000000-dbdfffff
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium
>TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [50] Subsystem: Gammagraphx, Inc. Unknown device 0000
00: 86 80 4e 24 07 01 10 00 d3 01 04 06 00 00 81 00
10: 00 00 00 00 00 00 00 00 00 04 04 20 f0 00 80 22
20: 00 d4 d0 db f1 ff 01 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 50 00 00 00 00 00 00 00 00 00 02 00
--
Gerhard
Quoting "Andy Walls" <[EMAIL PROTECTED]>:
> On Fri, 2008-08-29 at 15:01 -0400, Andy Walls wrote:
>> Hi all,
>>
>> I have a question.
>>
>> For users of HVR-1600 and other CX23418 based cards that basically work:
>> is your card behind a PCI-PCI bridge chip that is set for "subtractive
>> decode"?
>>
>> For users of HVR-1600 and other CX23418 based cards that basically don't
>> work: Is your card behind a not behind a PCI-PCI bridge chip that is set
>> for "subtractive decode" (i.e. directly behind a host bridge, or behind
>> a PCI-PCI bridge set for positive decode)?
>
>
> Wow, I need to learn how to type. Let me try that second one again:
>
> For users of the HVR-1600 and other CX23418 based cards that basically
> don't work: Is your card not behind a PCI-PCI bridge chip that is set
> for "subtractive decode" (i.e. directly behind a host bridge, or behind
> a PCI-PCI bridge set for positive decode)?
>
>
> Regards,
> Andy
>
>> Here's an example, run as root, showing how to see if you have the
>> CX23418 behind a PCI-PCI bridge set for subtractive decode:
>>
>> # lspci -tvv
>> -[0000:00]-+-00.0 ATI Technologies Inc Unknown device 7911
>> +-01.0-[0000:01]----05.0 ATI Technologies Inc Radeon 2100
>> [...]
>> +-14.4-[0000:03]--+-02.0 Internext Compression Inc
>> iTVC16 (CX23416) MPEG-2 Encoder
>> | \-03.0 Conexant CX23418 Single-Chip
>> MPEG-2 Encoder with Integrated Analog Video/Broadcast Audio Decoder
>> [...]
>>
>> >From the tree view above, we see the CX23418 is behind the bridge at
>> 00:14.4.
>>
>> # lspci -s 0:14.4 -vv -x
>> 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
>> (prog-if 01 [Subtractive decode])
>>
>> ^^^^^^^^^^^^^^^^^^^^^^^
>> [...]
>> 00: 02 10 84 43 07 01 a0 02 00 01 04 06 00 40 81 00
>> ^^^^^^^^
>> ||
>> Subtractive Decode PCI-PCI ----++
>> [...]
>>
>> Here we see in the first text line for the bridge, lspci has shown us
>> its a PCI-PCI bridge in subtractive decode. This could also be read off
>> of bytes 09x-0xb of the configuration space. The byte at 0x9 being 1
>> indicate subtractive decode vs positive decode.
>>
>>
>>
>> Thanks in advance for your responses.
>>
>> Regards,
>> Andy
>>
>>
>>
>>
>>
>> _______________________________________________
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>> http://ivtvdriver.org/mailman/listinfo/ivtv-users
>>
>
>
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