Re: Subsystem Vendor ID

[Lloyd Bircher <nicad2@yahoo.com>]

There isn't a way to directly change the values using
PCI configuration cycles.  However, there may be a
"back door" method to write this register using some
other device specific pci configuration register.  I
am not familiar with the chip you are using, but many
PCI devices use a serial EEPROM to provide the IDs you
refer to.  You will have to check the documentation
for your specific chip in order to know which is
appropriate.

Lloyd Bircher

--- "Hayrettin B. Karayaka" <karayaka.1@osu.edu>
wrote:
> Hi,
> 
> We are in the process of designing a PCI card and we
> want to change the
> Subsystem Vendor ID. Is there anyway to change
> VendorID/Subsystem Vendor ID
> field in PCI configuration space in a PCI chip ?
> 
> Bora
> 


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