Subject: Re: FDDI: PC/BIOS and MTU
To: Michael Richardson <email@example.com>
From: Nathan J. Williams <nathanw@MIT.EDU>
Date: 06/02/1999 12:06:57
> Chips exist that do 4 slot PCI, while a lot of system vendors would like to
> push one more connector on the board. So, they have been putting a non-bus-master,
> no IRQ slot. Perfect for video cards. Now they put AGP slots instead.
Non-bus-mastering slots are vaguely excusable, since it
requires a dedicated REQ/GNT pair and the arbiter hardware to handle
it. No-IRQ slots are much less so, since the interrupt lines can be
shared (electrically as well as logically). Cheesy!