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| From: | Christian Eisert |
| Subject: | passthrough I/O port of host ISA card |
| Date: | Sun, 19 Sep 2021 20:27:12 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 |
Hi everyone,
if this is not the right way to ask, please point me to the right
forum.
I just bought the follwing industry mainboard which has an ISA
slot.
https://ipc.msi.com/product_detail/Industrial-Motherboard/ATX/MS-98L9-V2.0
I would like to pass an old ISA adapter card for an eprommer to a
QEMU VM (DOS or WinXP).
http://matthieu.benoit.free.fr/all03/source.htm
It is not PnP, doesnt use DMA, just pure I/O, the port can be set
with jumpers on the card.
When I boot DOS as baremetal install I can access the I/O port,
so there a no drivers or anything special needed.
How can I forward an ISA i/o port to a QEMU VM ?
----------------------------------------------------------------------------------
For a similar board, the CS620-H310 of DFI on their
website they have a documentation which says:
"CS620 provides a host image (Ubuntu), which
includes hypervisor KVM and let user
install their legacy image. This document will guide
user how to install legacy image
and configure ISA device setting"
They also have a documentation which shows the following
screenshot of virt-manager
What kind of magic did they do ? What is that pc-isapass-dev?
How can I create it ?
Many Thanks,
Christian
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