diff --git a/src/southbridge/amd/agesa/hudson/hudson.c b/src/southbridge/amd/agesa/hudson/hudson.c
index cafd6c6..2bc3bc9 100644
--- a/src/southbridge/amd/agesa/hudson/hudson.c
+++ b/src/southbridge/amd/agesa/hudson/hudson.c
@@ -85,6 +85,21 @@
 {
 	printk(BIOS_DEBUG, "hudson_enable()\n");
 	switch (dev->path.pci.devfn) {
+	case PCI_DEVFN(0x14, 5):
+		if (dev->enabled == 0) {
+			// read the VENDEV ID
+			device_t usb_dev = dev_find_slot( 0, PCI_DEVFN( 0x14, 5));
+			u32 usb_device_id = pci_read_config32(usb_dev, 0) >> 16;
+			u8 reg8;
+			if (usb_device_id == PCI_DEVICE_ID_ATI_SB900_USB_20_5) {
+				/* turn off and remove device 0:14.5 from PCI space */
+				reg8 = pm_read8(0xef);
+				reg8 &= ~(1 << 6);
+				pm_write8(0xef, reg8);
+			}
+		}
+		break;
+
 	case PCI_DEVFN(0x14, 7):
 		if (dev->enabled == 0) {
 			// read the VENDEV ID