[Nut-upsdev] Re: Serial Ports (Was Re: Common Power Management : NUT and HAL (stage 1))

[Charles Lepple]

On 9/11/06, Matthew Garrett <mjg59 at srcf.ucam.org> wrote:
> It's a protocol for identifying pretty much any serial device made after
> 1994. The specs are on Microsoft's website somewhere, but I'm never able
> to find them when I look...

I've had trouble locating them from time to time as well. Here they are:

http://www.microsoft.com/whdc/resources/respec/specs/pnpcom.mspx

There are a lot of inexpensive UPSes out there where I would be
surprised if they actually implemented serial PnP, though.

-- 
- Charles Lepple