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@WNT50 WNT50 commented Nov 9, 2025

Summary

Everex EV-159 supports adding base memory for generic motherboards, and can upgrade memory for motherboards with CS8220 chipset when base address set to 640K. This PR adds standard base memory backfill and special CS8220 mode backfill for Everex EV-159 memory expansion board.

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

References

Everex EV-159 Owner's Manual And Reference Manual

Add standard base memory backfill and special CS8220 mode backfill for Everex EV-159
@OBattler OBattler merged commit 00eab47 into 86Box:master Nov 9, 2025
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@WNT50 WNT50 deleted the ev159 branch November 9, 2025 22:38
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2 participants