diff --git a/src/mainboard/via/epia/mainboard.c b/src/mainboard/via/epia/mainboard.c
index f2ad7fdfc6..2cfc248341 100644
--- a/src/mainboard/via/epia/mainboard.c
+++ b/src/mainboard/via/epia/mainboard.c
@@ -54,8 +54,8 @@ mainboard_fixup()
 {
 	printk_info("Mainboard fixup\n");
 
+	northbridge_fixup();
 	southbridge_fixup();
-	pci_routing_fixup();
 }
 
 void
@@ -65,14 +65,13 @@ final_southbridge_fixup()
 
 	nvram_on();
 	keyboard_on();
-	southbridge_fixup();
 	pci_routing_fixup();
 }
 
 void
 final_mainboard_fixup()
 {
-	final_southbridge_fixup();
 	printk_info("Final mainboard fixup\n");
+	final_southbridge_fixup();
 }
 
diff --git a/src/northbridge/via/vt694/northbridge.c b/src/northbridge/via/vt694/northbridge.c
index 36c94317da..b831860281 100644
--- a/src/northbridge/via/vt694/northbridge.c
+++ b/src/northbridge/via/vt694/northbridge.c
@@ -67,7 +67,7 @@ struct mem_range *sizeram(void)
 		mem[1].sizek = 64*1024;
 	}
 	mem[1].sizek -= mem[1].basek;
-	return &mem;
+	return mem;
 }
 
 #ifdef HAVE_FRAMEBUFFER
@@ -82,3 +82,25 @@ void framebuffer_on()
 	pcibios_write_config_word(0, devfn, 0x3e, command);
 }
 #endif
+
+/*
+ * This fixup is based on capturing values from an Award bios.  Without
+ * this fixup the DMA write performance is awful (i.e. hdparm -t /dev/hda is 20x
+ * slower than normal, ethernet drops packets).
+ * Apparently these registers govern some sort of bus master behavior.
+ */
+void northbridge_fixup(void)
+{
+	struct pci_dev *pcidev = pci_find_slot(0, PCI_DEVFN(0,0));
+
+	if (pcidev) {
+		pci_write_config_byte(pcidev, 0x70, 0xc0);
+		pci_write_config_byte(pcidev, 0x71, 0x88);
+		pci_write_config_byte(pcidev, 0x72, 0xec);
+		pci_write_config_byte(pcidev, 0x73, 0x0c);
+		pci_write_config_byte(pcidev, 0x74, 0x0e);
+		pci_write_config_byte(pcidev, 0x75, 0x81);
+		pci_write_config_byte(pcidev, 0x76, 0x52);
+	}
+}
+
diff --git a/src/northbridge/via/vt8601/northbridge.c b/src/northbridge/via/vt8601/northbridge.c
index 36c94317da..821a64af42 100644
--- a/src/northbridge/via/vt8601/northbridge.c
+++ b/src/northbridge/via/vt8601/northbridge.c
@@ -82,3 +82,25 @@ void framebuffer_on()
 	pcibios_write_config_word(0, devfn, 0x3e, command);
 }
 #endif
+
+/*
+ * This fixup is based on capturing values from an Award bios.  Without
+ * this fixup the DMA write performance is awful (i.e. hdparm -t /dev/hda is 20x
+ * slower than normal, ethernet drops packets).
+ * Apparently these registers govern some sort of bus master behavior.
+ */
+void northbridge_fixup(void)
+{
+	struct pci_dev *pcidev = pci_find_slot(0, PCI_DEVFN(0,0));
+
+	if (pcidev) {
+		pci_write_config_byte(pcidev, 0x70, 0xc0);
+		pci_write_config_byte(pcidev, 0x71, 0x88);
+		pci_write_config_byte(pcidev, 0x72, 0xec);
+		pci_write_config_byte(pcidev, 0x73, 0x0c);
+		pci_write_config_byte(pcidev, 0x74, 0x0e);
+		pci_write_config_byte(pcidev, 0x75, 0x81);
+		pci_write_config_byte(pcidev, 0x76, 0x52);
+	}
+}
+