Thats' interesting. Did the PCI transaction just timeout? IIRC, without a device claiming the transaction on PCI, (assert DEVSEL#) the data won't get written, and the POST card won't see anything.
----- Original Message ----- From: "Ronald G Minnich" <[EMAIL PROTECTED]> To: "Christopher Stutts" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Thursday, April 11, 2002 12:09 PM Subject: Re: IDE spinup.... > On 11 Apr 2002, Christopher Stutts wrote: > > > On Intel PIIX4s, I/O to port 80 will go to the ISA bus, eat up time, and > > pound on a benign (POST) port. But what if you don't have an ISA bridge > > or PCI POST card which snags that address? > > nothing. The card is totally passive. > > On at least one motherboard, we saw POST go to PCI but not ISA. That was > interesting. > > ron >
