Re: Question about output of lspci

[mohanlal jangir <mohanlal@xxxxxxxxxxx>]

You might find this all in manual page for lspci. Also see "info lspci".

Regards
Mohanlal

----- Original Message ----- 
From: "Ahmed A" <ahmedcali@xxxxxxxxx>
To: <kernelnewbies@xxxxxxxxxxxx>
Sent: Tuesday, May 04, 2004 10:01 PM
Subject: Question about output of lspci


> 
> Hello,
> 
> I have a few questions regarding the PCI information
> that is printed when the "lspci -vv" command is used. 
> My question is specific to the "Status:" field.  I
> will use the following output of my lspci to ask my
> quesitons:
> 
> >lspci -vv
> 
> >...
> >Status: Bus=0 Dev=0 Func=0 64bit- 133MHz- SCD- USC-,
> DC=simple, DMMRBC=0, DMOST=0,...
> >....
> 1. Does the above output mean that the card (device)
> does or does not operate in 64 bit?  133MHz?   
> 
> 2. What does the dash (-) next to 64bit , and 133MHz
> mean?  I have seen sometimes a plus (+) next to a
> capability.  What does the (-) and (+) signify?
> 
> 3.  Form my reading and understanding of the PCI
> register space (first 64 bytes), there is no specific
> bit/register I can read to find out if a PCI-X device
> is running at 133/100/166 MHz speed, and 32/64 bit. 
> Is this correct?
> 
> 4. How does lspci know then if a device is running at
> what speed, and if 32/64 bit?
> 
> Thanks,
> Ahmed.
> 
> P.S. I apologize for posting this message under a
> wrong subject heading.
> 
>  
> 
> 
> 
> 
> 
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