安装USB驱动问题

安装USB驱动问题
按住PC空格键，打开电源，在超级终端上，进入不了u-boot控制台。进入的界面是：
##### EmbedSky u-boot for TQ2440  #####
Press Space key to Download Mode !
Booting wince ...

Read wince image from flash:
Sector addr on NAND: 0x1f20
TotalSector: 0xdc1b
LoadAddress: 0x30200000
JumpAddr: 0x30201000
...........................
Run wince, JumpAddr = 0x30201000
Clear the memory unused Windows CE Kernel for ARM (Thumb Enabled) Built on Feb
8 2007 at 23:36:51
ProcessorType=0920  Revision=0
sp_abt=ffff5000 sp_irq=ffff2800 sp_undef=ffffc800 OEMAddressTable = 8c2013bc

Windows CE Firmware Init
INFO: Initializing system interrupts...
INFO: Initializing system clock(s)...
INFO: Initializing driver globals area...
SDMMC config set rGPGCON: fd96abb6
OEMInit Done...
Sp=ffffc7cc
NandFlash FMD_Init
NandFlash FMD_Init Done
384 clock
         USB:OhcdPdd_Init
++InitializeOHCI
USB:*pIrq=11, *pioPortBase=0x2E0000
OHCD: MapIrq2SysIntr(11): 27
OHCD: Memory Object
--InitializeOHCI
CIS_Init----
Cam_Init----
Camera I/F Reset
CAM clock:24000000
CamClockOn = 1
Camera Module Reset
Use IIC for initialization
ID=0xff
ID=0xff
ID=0xff
ID=0xff
ID=0xff
CAMERA.DLL::InterruptThread Initialized.
DeviceFolder::LoadDevice!Enumerate Found deprecated load instructions at (Driver
s\BuiltIn\AFD). Driver cannot be unloaded.
                                          USB enable interrutp
DeviceFolder::LoadDevice!Enumerate Found deprecated load instructions at (Driver
s\BuiltIn\PPP). Driver cannot be unloaded.
                                          DeviceFolder::LoadDevice!Enumerate Fou
nd deprecated load instructions at (Drivers\BuiltIn\TELNETD). Driver cannot be u
nloaded.
        DeviceFolder::LoadDevice!Enumerate Found deprecated load instructions at
(Drivers\BuiltIn\SDBusDriver). Driver cannot be unloaded.
                                                                charlie::SDIO::S
DHOST::SDCSDCardDllEntry::DLL_PROCESS_ATTACH
        charlie::SDIO::SDCInitialize+
        charlie::SDIO::SDCInitialize-
LED_Init----
KEY_Init----
Key_Gpio_Setting----
UserKey.DLL::InterruptThread Initialized.
--S3C2440DISP::InitializeHardware
Lyg.p: Layout Manager successfully initialized to  2
Touch Init
Maximum Allowed Error 7:
Explorer(V2.0) taskbar thread started.
NDISPWR:: Found adapter [DM9CE1]

终端配置：
波特率： 115200   数据位：8   奇偶校验：无  停止位：1  数据流控制位： 无

请亚瑟王帮我看一下！！

1楼的信息表明已经进入了wince系统。
进入下载模式的方法：按键PC键盘的空格键，然后再打开TQ2440开发板的电源。前提：已经连接好了串口线从TQ2440到PC，已经设置好了串口软件，并且使它处于当前用户界面。