I have tested it on a real A1200 with OS3.1.4 ROMs installed. It has a Blizzard 1230IV with 32MB FastRAM.
I've also tested it without booting into Workbench ("Boot with no startup-sequence") from CLI. For one of these tests I disabled the Blizzard, then the A1200 run only with its 68020 CPU and 2MB ChipRAM, no FastRAM.
For the test wit the Blizzard disabled and booting the disk directly I also disabled the hard disks in early startup menu (as the hard disk consumes RAM for buffers).
The one time I got that monochrome screen as mentioned above it looked as if the copper list / display init was not done successfully.
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