-#define MVME147_IRQ_SCC_BASE (IRQ_USER+32)
-#define MVME147_IRQ_SCCB_TX (IRQ_USER+32)
-#define MVME147_IRQ_SCCB_STAT (IRQ_USER+34)
-#define MVME147_IRQ_SCCB_RX (IRQ_USER+36)
-#define MVME147_IRQ_SCCB_SPCOND (IRQ_USER+38)
-#define MVME147_IRQ_SCCA_TX (IRQ_USER+40)
-#define MVME147_IRQ_SCCA_STAT (IRQ_USER+42)
-#define MVME147_IRQ_SCCA_RX (IRQ_USER+44)
-#define MVME147_IRQ_SCCA_SPCOND (IRQ_USER+46)
+#define MVME147_IRQ_SCC_BASE 0x60
+#define MVME147_IRQ_SCCB_TX 0x60
+#define MVME147_IRQ_SCCB_STAT 0x62
+#define MVME147_IRQ_SCCB_RX 0x64
+#define MVME147_IRQ_SCCB_SPCOND 0x66
+#define MVME147_IRQ_SCCA_TX 0x68
+#define MVME147_IRQ_SCCA_STAT 0x6a
+#define MVME147_IRQ_SCCA_RX 0x6c
+#define MVME147_IRQ_SCCA_SPCOND 0x6e