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I'll second that. Breaking out the host functions into hardware and software in the body of the spec would make the spec even more PC-centric than it already is (a bad thing), and blur the host-device boundary that serves as the only common ground between the two sides. Maybe adding the "how a PC host really works" section as an informative appendix would serve the purpose? Jim "Ooi, Thien Ern" wrote: > Hale, > Splitting them would imply a particular hardware/software partition and > implementation, which may not be desirable in a specification. Further, > host vendors may choose to deviate by automating in hardware, certain > software functions (eg: polling the status register). > > Regards, > T.E. Ooi. > > -----Original Message----- > From: Hale Landis [mailto:[EMAIL PROTECTED]] > Sent: Friday, June 28, 2002 12:55 PM > To: T13 List Server > Subject: [t13] more DMA confustion > > ... > > Maybe we should split the R/W DMA host side and PACKET DMA host side > diagrams into two diagrams that respectively show what the HOST SIDE > SOFTWARE and HOST SIDE HARDWARE are expected to do? Or maybe we > should just add a little more text, like a good high level > explaination of how DMA works?
