USB硬盘不能使用，请帮忙看一下错误信息。

zslevin

系统：Magic Linux 1.2 pre5, 内核2.6.0-1
USB硬盘：笔记本硬盘 + 科硕MiniDisk(支持USB2.0)
主板：只支持USB1.1
已经 modprobe {usb-storage, sd-mod, scsi-mod}

dmesg运行后相关的信息如下：
SCSI subsystem initialized
Initializing USB Mass Storage driver...
drivers/usb/core/usb.c: registered new driver usb-storage
USB Mass Storage support registered.
hub 1-0:1.0: new USB device on port 1, assigned address 3
usb 1-1: control timeout on ep0in
usb 1-1: control timeout on ep0in
usb 1-1: control timeout on ep0in
usb 1-1: control timeout on ep0in