diff --git a/src/radeon_atombios.c b/src/radeon_atombios.c
index bf3bfa0..b1cb559 100644
--- a/src/radeon_atombios.c
+++ b/src/radeon_atombios.c
@@ -1625,6 +1625,22 @@ static void RADEONApplyATOMQuirks(ScrnInfoPtr pScrn, int index)
 	}
     }
 
+    /* ASUS HD 3600 XT board lists the DVI port as HDMI */
+    if ((info->Chipset == PCI_CHIP_RV635_9598) &&
+	(PCI_SUB_VENDOR_ID(info->PciInfo) == 0x1043) &&
+	(PCI_SUB_DEVICE_ID(info->PciInfo) == 0x01da)) {
+	if (info->BiosConnector[index].ConnectorType == CONNECTOR_HDMI_TYPE_A)
+	    info->BiosConnector[index].ConnectorType = CONNECTOR_DVI_D;
+    }
+
+    /* ASUS HD 3450 board lists the DVI port as HDMI */
+    if ((info->Chipset == PCI_CHIP_RV620_95C5) &&
+	(PCI_SUB_VENDOR_ID(info->PciInfo) == 0x1043) &&
+	(PCI_SUB_DEVICE_ID(info->PciInfo) == 0x01e2)) {
+	if (info->BiosConnector[index].ConnectorType == CONNECTOR_HDMI_TYPE_A)
+	    info->BiosConnector[index].ConnectorType = CONNECTOR_DVI_D;
+    }
+
     /* some BIOSes seem to report DAC on HDMI - usually this is a board with
      * HDMI + VGA reporting as HDMI
      */