Summary

Add the MSI MS-6199VA motherboard (Slot 1/VIA Apollo Pro 133) and its OEM variants from Compaq and Packard Bell.

Checklist

• Closes #xxx
• I have tested my changes locally and validated that the functionality works as intended
• I have discussed this with core contributors already
• This pull request requires changes to the ROM set
  • I have opened a roms pull request - https://github.com/86Box/roms/pull/changeme/

References

https://theretroweb.com/motherboards/s/msi-ms-6199va
My own testing of the machine