Windows 3.1 Qcow2 !new! · Verified Source

| Problem | Solution | | :--- | :--- | | | Reduce VM RAM to 16 MB using -m 16 . Windows 3.1 has issues with > 64 MB. | | Mouse doesn't work in Windows 3.1 | Add -usb -device usb-tablet to your QEMU command for absolute mouse positioning. | | QCow2 file grows too large | Run qemu-img convert -O qcow2 windows-31.qcow2 windows-31-compacted.qcow2 to reclaim unused space. | | Screen flickers at high resolution | Stick to 640x480 or 800x600 with 256 colors. Install the "Cirrus Logic 1MB" driver for best results. | | No sound in games | In Windows 3.1, go to Main → Control Panel → Drivers → Add → Creative Labs Sound Blaster 1.5. Set IRQ=5, DMA=1, Address=220. |

qemu-img create -f qcow2 -b win31-master.qcow2 win31-gaming.qcow2 windows 3.1 qcow2

: A QCOW2 image only takes up space on your physical drive for the data actually written, rather than the full size of the virtual disk. | Problem | Solution | | :--- |