diff --git a/src/mainboard/siemens/sitemp_g1p1/irq_tables.c b/src/mainboard/siemens/sitemp_g1p1/irq_tables.c
index b2a96680d0..186057df45 100644
--- a/src/mainboard/siemens/sitemp_g1p1/irq_tables.c
+++ b/src/mainboard/siemens/sitemp_g1p1/irq_tables.c
@@ -117,6 +117,11 @@ unsigned long write_pirq_routing_table(unsigned long addr)
 	pirq_info++;
 	slot_num++;
 
+	/* ide */
+	write_pirq_info(pirq_info, bus_sb600[0], ((sbdn_sb600 + 0x14) << 3) | 1, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 1,	0);
+	pirq_info++;
+	slot_num++;
+
 	pirq->size = 32 + 16 * slot_num;
 
 	for (i = 0; i < pirq->size; i++)
diff --git a/src/mainboard/siemens/sitemp_g1p1/mptable.c b/src/mainboard/siemens/sitemp_g1p1/mptable.c
index 0e18fb3d2f..9e4a6db028 100644
--- a/src/mainboard/siemens/sitemp_g1p1/mptable.c
+++ b/src/mainboard/siemens/sitemp_g1p1/mptable.c
@@ -60,6 +60,61 @@ static void *smp_write_config_table(void *v)
 	}
 	mptable_add_isa_interrupts(mc, isa_bus, apicid_sb600, 0);
 
+#define PCI_INT(bus, dev, fn, pin) \
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, (bus), (((dev)<<2)|(fn)), apicid_sb600, (pin))
+
+	/* usb */
+	PCI_INT(0x0, 0x13, 0x0, 0x10);
+	PCI_INT(0x0, 0x13, 0x1, 0x11);
+	PCI_INT(0x0, 0x13, 0x2, 0x12);
+	PCI_INT(0x0, 0x13, 0x3, 0x13);
+
+	/* sata */
+	PCI_INT(0x0, 0x12, 0x1, 0x16);
+
+	/* SMBus/ACPI */
+	PCI_INT(0x0, 0x14, 0x0, 0x10);
+	/* IDE */
+	PCI_INT(0x0, 0x14, 0x1, 0x11);
+	/* HDA */
+	PCI_INT(0x0, 0x14, 0x2, 0x12);
+	/* LPC */
+	PCI_INT(0x0, 0x14, 0x3, 0x13);
+
+	/* GFX ? */
+	PCI_INT(bus_rs690[1], 0x5, 0x0, 0x12);
+	PCI_INT(bus_rs690[1], 0x5, 0x1, 0x13);
+
+	/* PCIe slots */
+	PCI_INT(0x2, 0x00, 0x00, 0x10);
+	PCI_INT(0x2, 0x00, 0x01, 0x11);
+	PCI_INT(0x2, 0x00, 0x02, 0x12);
+	PCI_INT(0x2, 0x00, 0x03, 0x13);
+
+	/* PCIe slots */
+	PCI_INT(0x3, 0x00, 0x00, 0x11);
+	PCI_INT(0x3, 0x00, 0x01, 0x12);
+	PCI_INT(0x3, 0x00, 0x02, 0x13);
+	PCI_INT(0x3, 0x00, 0x03, 0x10);
+
+	/* PCIe slots */
+	PCI_INT(0x4, 0x00, 0x00, 0x12);
+	PCI_INT(0x4, 0x00, 0x01, 0x13);
+	PCI_INT(0x4, 0x00, 0x02, 0x10);
+	PCI_INT(0x4, 0x00, 0x03, 0x11);
+
+	/* PCIe slots */
+	PCI_INT(0x5, 0x00, 0x00, 0x13);
+	PCI_INT(0x5, 0x00, 0x01, 0x10);
+	PCI_INT(0x5, 0x00, 0x02, 0x11);
+	PCI_INT(0x5, 0x00, 0x03, 0x12);
+
+	/* onboard NIC ? */
+	PCI_INT(bus_sb600[1], 0x7, 0x0, 0x13);
+	PCI_INT(bus_sb600[1], 0x7, 0x1, 0x10);
+	PCI_INT(bus_sb600[1], 0x7, 0x2, 0x11);
+	PCI_INT(bus_sb600[1], 0x7, 0x3, 0x12);
+
 	/* I/O Ints:    Type    Polarity    Trigger     Bus ID   IRQ    APIC ID PIN# */
 	mptable_lintsrc(mc, isa_bus);