grub> insmod uhci ../bus/usb/uhci.c:183: class=0x0c 0x03 base=0xe400 ../bus/usb/uhci.c:273: UHCI initialized ../bus/usb/uhci.c:183: class=0x0c 0x03 base=0xe800 ../bus/usb/uhci.c:273: UHCI initialized ../bus/usb/uhci.c:631: detect=0x48a port=0 ../bus/usb/uhci.c:631: detect=0x58a port=1 ../bus/usb/uhci.c:631: detect=0x48a port=0 ../bus/usb/uhci.c:631: detect=0x48a port=1 ../bus/usb/uhci.c:663: registed