ok6410B 无法启动WinCE

进入如下提示后无响应，重新烧WINCE也无改善，提示如下：
WinCE 6.0 Steploader for SMDK6410

Launch Eboot...


Microsoft Windows CE Bootloader Common Library Version 1.4 Built Nov 22 2010 08:44:45
Microsoft Windows CE Bootloader for the Samsung SMDK6410 Version 2.4 Built Dec  7 2010

+OALArgsInit()
SocID:0x36410101
Arguments area is initialized
-OALArgsInit()
INFO: (unsigned)C_IsrHandler : 0x8003FEB8
INFO: (unsigned)ASM_IsrHandler : 0x800424A0
INFO: (unsigned)pISR : 0xEA010920
BP_Init
[FMD] ++FMD_Init() ****
[FMD:INF] FMD_Init() : Read ID = 0x0000ecd5
[FMD] FMD_Init() : NUM_OF_BLOCKS = 4096
[FMD] FMD_Init() : PAGES_PER_BLOCK = 128
[FMD] FMD_Init() : SECTORS_PER_PAGE = 8
[FMD] --FMD_Init()
[FMD] FMD_GetInfo() : NUMBLOCKS = 4096(0x1000), SECTORSPERBLOCK = 128(0x80), BYTESPERSECTOR = 4096(0x1000)
[FMD] FMD_GetInfo() : NUMBLOCKS = 4096(0x1000), SECTORSPERBLOCK = 128(0x80), BYTESPERSECTOR = 4096(0x1000)
wNUM_BLOCKS : 4096(0x1000)
TOC_Read
-TOC_Read
[Eboot] ++InitializeDisplay()
[Eboot] --InitializeDisplay()
Press [ENTER] to launch image stored on boot media, or [SPACE] to enter boot monitor.

Initiating image launch in 2 seconds.

请把开发板的型号、nandflash型号、烧写文件的来源（比如来源于光盘）、操作的步骤、以及所有打印的串口信息（这个很重要）写出来。如果有特殊情况，也可以在附件中添加截图。