Holy cow! You know, at some point someone might consider to put that in
libvirt to get that out of their way and have the peace of mind ;)
Would libvirt even support "-device sb16 -device adlib"? Cause I
remember very well, that QEMU's sb16 only emulates the sound core - no
music core.
Best regards,
Michał
W dniu 2.11.2025 o 22:49, Jim Hall via Freedos-user pisze:
To install, you first need to create a virtual disk with qemu-img:
$ qemu-img create -f qcow2 freedos.qcow2 500M
Then boot QEMU with the virtual disk and the LiveCD installer: (this
uses the T2511 monthly test release, that Jerome announced yesterday)
$ qemu-system-i386 -hda freedos.qcow2 -cdrom T2511LIVE.iso -boot order=d
That's the same command line I use to install on my desktop PC (which
is Intel) but without the -enable-kvm command line option.
After the installation is done, you can boot FreeDOS from the virtual
disk. You can add all kinds of options here to emulate specific
components like a sound card. The most basic invocation is:
$ qemu-system-i386 -hda freedos.qcow2
On my desktop PC, I use this:
qemu-system-i386 -enable-kvm -m 32 -rtc base=localtime -audiodev
pa,id=snd -machine pcspk-audiodev=snd -device sb16,audiodev=snd
-device adlib,audiodev=snd -global i8042.kbd-throttle=on -drive
bus=0,unit=0,media=disk,file=freedos.qcow2 -drive
bus=0,unit=1,media=disk,file=/home/jhall/virtualmachines/files.qcow2
-drive bus=1,unit=0,media=cdrom,file=T2511LIVE.iso -drive
bus=1,unit=1,media=cdrom,file=T2511BNS.iso
But on a Raspberry Pi, you must omit the -enable-kvm option.
On Sun, Nov 2, 2025 at 3:36 PM Jim Hall <[email protected]> wrote:
On Sun, Nov 2, 2025 at 1:53 PM Matt Newell via Freedos-user
<[email protected]> wrote:
Hi Jim,
I am working with primarily arm computers (Raspberry Pi primarily)
and as of now the virtualization is poor to nonexistent.
I disagree. I have a Raspberry Pi 3B and I use QEMU on it to boot
FreeDOS. It works very well, although installing is very slow (partly
because all CPU instructions are emulated in software, and partly
because of the slower I/O on my microSD card). But it works fine after
installing, and not any slower than a '486 or '386 of the era.
You can find lots of articles about installing FreeDOS on Raspberry Pi
using QEMU, like this one:
https://windowsreport.com/how-to-run-dos-on-a-raspberry-pi/
I wrote about it on Opensource.com in 2018:
https://opensource.com/article/18/3/can-you-run-dos-raspberry-pi
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