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'[EE]: PCI and Plug and Play'
2002\12\12@182054 by Sean Breheny

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Hi all,

How does one determine the base address that has been assigned to a PCI
card? I have an RS-422 interface card that I need to use to test out a
piece of equipment and since the only drivers available for it are HDLC
(and I need to work with a clocked synchronous mode), I am writing a
quick DOS program to access it. However, I don't know how to find out the
base address that the BIOS is assigning to it.

Thanks,

Sean

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2002\12\12@184341 by Sean Breheny

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I think I just found the answer to my own question:

A copy of the PCI spec is at
http://members.datafast.net.au/dft0802/specs/bios21.pdf

Various functions are accessed by Interrupt 0x1A with AH=0xB1.

Sean


On Thu, 12 Dec 2002, Sean Hugh Breheny wrote:

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2002\12\13@155252 by Peter L. Peres

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Install the HDLC drivers and loop at their Properties->Resources ?

Peter

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