'''Useful links about USIfAC II''':
- A small Basic utility for easily mounting dsk images to the 4 image slots: https://www.cpcwiki.eu/forum/index.php?msg=200760
- Some stuff about linux & python: https://www.cpcwiki.eu/forum/index.php?msg=201894
- '''3d case''': https://www.cpcwiki.eu/forum/index.php?msg=207446
- '''Usifac II schematics''' & raster implementation:https://www.cpcwiki.eu/forum/index.php?msg=212833
- Simple way to detect USIfAC II: https://www.cpcwiki.eu/forum/index.php?msg=213269
- Load '''CPM PLUS''' for USIfAC II (mass storage support): https://www.cpcwiki.eu/forum/applications/hdcpm-boot-and-run-cpm-plus-from-hard-disk/