diff --git a/src/vid_nv_riva128.c b/src/vid_nv_riva128.c
index 830aef39e..f84c879a4 100644
--- a/src/vid_nv_riva128.c
+++ b/src/vid_nv_riva128.c
@@ -2249,7 +2249,8 @@ static uint8_t riva128_pci_read(int func, int addr, void *p)
 		break;
 
 	case 0x3c:
-		ret = riva128->pci_regs[0x3c];
+		// ret = riva128->pci_regs[0x3c];
+		ret = 0x03;
 		break;
 
 	case 0x3d:
diff --git a/src/vid_s3_virge.c b/src/vid_s3_virge.c
index 24a315b15..a01fc04e8 100644
--- a/src/vid_s3_virge.c
+++ b/src/vid_s3_virge.c
@@ -3686,7 +3686,8 @@ static uint8_t s3_virge_pci_read(int func, int addr, void *p)
                 case 0x32: ret = virge->pci_regs[0x32]; break;
                 case 0x33: ret = virge->pci_regs[0x33]; break;
 
-                case 0x3c: ret = virge->pci_regs[0x3c]; break;
+                // case 0x3c: ret = virge->pci_regs[0x3c]; break;
+		case 0x3c: ret = 0x03; break;
                                 
                 case 0x3d: ret = 0x01; break; /*INTA*/