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RE: how do we write a single byte in the config. registers?
- To: Mailing List Recipients <pci-sig-request@znyx.com>
- Subject: RE: how do we write a single byte in the config. registers?
- From: ingvar_berg@x400.icl.co.uk
- Date: Tue, 19 Nov 1996 12:45:34 GMT
- Priority: NORMAL
- Reply-To: ingvar_berg@x400.icl.co.uk
- Resent-Date: Tue, 19 Nov 1996 12:45:34 GMT
- Resent-From: pci-sig-request@znyx.com
- Resent-Message-Id: <"T8nqY3.0.Gk4.b3Rao"@dart>
- Resent-Sender: pci-sig-request@znyx.com
>Please lemme know I'd write a single byte in the 32 bit configuration
>register without using the PCI BIOS, to put it the otherway, how would
>one write a bios routine that'd write one byte into the configuration
>register.
>jasper@hclt.com
This is described in section 3.7.4 in the PCI spec. rev 2.1. Note that
you have to ask BIOS anyway to get the configuration mechanism (unless
you're running you SW on selected systems).
/Ingvar
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