VM8 is the second Install Any OS VM in CollabVM. This VM is meant to be compatible with older operating systems that cannot or don't work properly on VM7. The VM was announced on December 30th, 2021 by modeco80. The VM comes with a Pentium 3 CPU, 512 MB of RAM, 12 GB of hard disk space, and a Cirrus Logic GD5446 graphics card. (Previously came with a Willamette Pentium 4 CPU and 6.8GB of hard disk space)

The announcement of VM8.

OS Compatibility Reference Sheet for VM8

VM8 (Install Any OS (Older OSes) x86
	CollabVM virtual machine
Introduced	30 December 2021
OS	User-decided
Architecture	x86
Node ID	vm8
Previous VM	VM7
Next VM	VM9

OSes confirmed to work on VM8

Windows 8 build 8305 or earlier
Windows 7 - Runs really sluggishly, highly recommended to use VM7 instead
Windows Vista
TinyVista, Tiny7
Windows XP - While it is perfectly normal (except when shutting down or rebooting), you should just use VM2.
Windows 2000
Windows NT 3.5, 3.51, 4.0
Windows ME - ME works fairly well, surprisingly.
Windows 3.11 - Use qemumouse.img from Lily's ISO directory for working mouse.
Windows 1.0
MS-DOS
ReactOS
Any 32-bit GNU/Linux distribution
eComStation and OS/2 - Everything is fine aside of USB-tablet
9front
Minoca
GNU/Hurd
FreeBSD - You'll have to use the VM image on the FreeBSD FTP as installer doesn't work correctly
OpenBSD - Installation is slower than on VM7.
NetBSD
Xenix
Windows Vista betas (both pre-reset and post-reset, albeit setup will have graphical glitches)
Windows Neptune
Many hobbyist OSes although some don't have support for the RTL8139 or just doesn't support USB-tablet

OSes with some issues

Windows 95 - After installing the OS, you'll need to run FIX95CPU.iso to prevent a "Windows Protection Error". You will also need to use qemutab.img to get a working mouse. Other than that, the OS runs fine.
Windows NT 3.1 - You will need to reboot into DOS and edit some setup files, see this page for more info, other than that it will work, though there are no networking drivers.

OSes that barely work

Windows 8.0 RTM - Runs extremely sluggish since the VM only has 512 MB of RAM, you also will have to patch the SSE2/NX/PAE check out, and enable auto logon since the login screen does not work without SSE2. Internet Explorer does not run.
Windows 98 - This OS seems to have a lot of issues in VMs in general for some reason, lots of BSODs and locking up, you will have to run !reboot a lot, but it is installable and will work once you get through the setup. See this page to install the mouse.
SerenityOS - WindowServer fails to start
QNX 6 - Runs fine but non-functioning mouse despite USB stack and USB mouse module for all HCIs running.

OSes that do not work on VM8

Doesn't work properly

JX, Ghost Kernel - Requires a PS/2 Mouse or you can't utilize the OS not even with keyboard shortcuts.

Doesn't work at all

NewOS, ArcaOS - Locks up at booting due to KVM
OpenSolaris, UnixWare, OpenServer - Bootloops
Windows 8.1, 10, 11 - Windows 8.1 and 10 cannot boot at all on Pentium 3, due to the missing SSE2 instruction. Windows 11 does not have a 32-bit version to even boot from.

Untested OSes

Windows Whistler
Windows 2.x - Tip: qemutab.img has a usb-tablet driver for 2.x, use it for working mouse.
Everything else

VM8 (Install Any OS (Older OSes) x86)

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