Describe the bug
When you boot PC-DOS 5.02 with EMM386 installed in config.sys, the VM will reboot itself when reaching EMM386, it happens on both ADI and Shuttle 386sx as well as DTK PPM-3333P

To Reproduce
Steps to reproduce the behavior:

1. Startup a 386sx vm with PC-DOS 5.02 and emm386
2. it will reboot when reaching emm386 from config.sys

Expected behavior
the EMM386 loads correctly

Desktop (please complete the following information):

• OS: Windows 11
• 86Box version: v4.0 build 4888
• Build information: new dynarec, i386

Additional context
vm files:
386sx-16.zip