The thing is simply that win95 self wont even boot. So it doesnt matter if diablo iso is on or not.
Just tried ANOTHER (XD) win 95 installation this time in an other way. The img is actually 2024mb. I copied the 512img profile. Than switched the img to the new one. And it stops by “booting from drive C…”
As a reply to your question:
install iso: 624mb
play iso: 641mb