I know, but sometimes there's a PCIe bridge on PCI cards. To "backport" newer devices to older systems.
I think I've seen such a thing on an USB 3.0 card some time ago, but can't find it right now..
Here's another example, an adapter card from Startech:
PCI to PCI Express Adapter Card
https://www.startech.com/Cards-Adapters/Slot- … r-Card~PCI1PEX1
Would such a thing work in a 486 or early Pentium ?
I'm just asking. Perhaps we will need something like this in the near future..
So, if Windows 9x was installed on a system with a PCI-e equivalent of a PCI card it already supported, it should 'just work'. This is the case in various old operating systems.
I though the same. But I've seen a lot of strange stuff already. For example, USB Legacy Support for keyboards and mice. It works fine in DOS.
And it works fine in Win9x until it loads drivers for the USB Host Controller. After this, legacy support is gone,
but Win9x hasn't installed USB mouse/keyboards drivers yet. At this point you have reached a dead end. Windows shows you
a "click continue to install driver" window and you can't progress. You need a PS/2 or serial mouse to click the button and to
install the mouse driver..
That's why I asked. Can such a thing happen to the ISA/PCI bridge or PCI/PCIe bridge, as well ?
So that the bridge doesn't work, because it is "under control" by Win9x (non-working control,btw.) ?
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