Re: PCI Based USB Root Hub

[Michael Bender <michael.bender@Eng.Sun.COM>]

> Apparently the Intel PIIX3 PCI -> ISA, IDE, Xcelerator chip has problems 
> with it's support of it's dual USB port.  When the USB port is enabled, it 
> uses PCI INTD for interrupt signaling.  However, when enabled  it also 
> prevents anyone else from using INTD; it's not sharing the interrupt!  How 
> un-PCI-like. 

Do you mean that it actively drives the signal high?

mike

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