diff --git a/src/vid_nv_riva128.c b/src/vid_nv_riva128.c
index 40c1d6922..c2a19fe4a 100644
--- a/src/vid_nv_riva128.c
+++ b/src/vid_nv_riva128.c
@@ -1313,8 +1313,11 @@ static uint8_t riva128_mmio_read(uint32_t addr, void *p)
   case 0x101000 ... 0x101fff:
   ret = riva128_pextdev_read(addr, riva128);
   break;
+  case 0x110000 ... 0x11ffff:
+  if(riva128->card_id == 0x03) ret = riva128->bios_rom.rom[addr & riva128->bios_rom.mask];
+  break;
   case 0x300000 ... 0x30ffff:
-  ret = riva128->bios_rom.rom[addr & riva128->bios_rom.mask];
+  if(riva128->card_id >= 0x04) ret = riva128->bios_rom.rom[addr & riva128->bios_rom.mask];
   break;
   case 0x6013b4 ... 0x6013b5: case 0x6013d4 ... 0x6013d5: case 0x0c03c2 ... 0x0c03c5: case 0x0c03cc ... 0x0c03cf:
   ret = riva128_in(addr & 0xfff, riva128);