Date: Wed, 26 Aug 2020 17:03:28 +0930 From: "O'Connor, Daniel" <darius@dons.net.au> To: Zaphod Beeblebrox <zbeeble@gmail.com> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Is this expected to work? Really? (test of abstraction levels). Message-ID: <53C7D7AD-86EE-4324-9686-AF4E4D1317F2@dons.net.au> In-Reply-To: <CACpH0McBTziTbRTzpL3Z2XDQM47z%2BV_mpG0uoa5PRiGWfamuaQ@mail.gmail.com> References: <CACpH0McBTziTbRTzpL3Z2XDQM47z%2BV_mpG0uoa5PRiGWfamuaQ@mail.gmail.com>
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> On 26 Aug 2020, at 14:49, Zaphod Beeblebrox <zbeeble@gmail.com> wrote: > So... here's the product: >=20 > = https://www.ebay.ca/itm/PCI-Express-PCI-e-to-PCI-Adapter-Card-PCIe-to-Dual= -PCI-Expansion-Card-USB-3-0/383647797022?hash=3Ditem595330cf1e:g:O~kAAOSw0= kxfGdIM >=20 > For those who don't want to click, we have PCIe 1x -->> usb3.0 -->> = PCI > 32bit/66. FYI that isn't really USB 3, it's just using USB 3 cabling to transport = the PCIe. You can think of it as a PCIe to PCI bridge with some long wires in it. > Is that likely to work? Is our abstraction of busses that powerful? = If I > plug, say, a PCI I/O controller with a floppy on it ... would that be > detected? I am not sure it would work but there is a non-zero chance :) -- Daniel O'Connor "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum
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