2440DNW下载问题

最近把2410的USB通讯的代码改成2440的，出现CHECKSUM错误，然后把原来2440的分频改了出现同样的问题。我改了分频和SDRAM的设置。但是不对。谢谢帮忙看一下。


+---------------------------------------------+
| S3C2410X USB Downloader ver R1.12 05/20/03  |
+---------------------------------------------+
FCLK=304MHz,DMA mode
USB: IN_ENDPOINT:1 OUT_ENDPOINT:3
FORMAT: +++
NOTE: 1. Power off/on or press the reset button for 1 sec
         in order to get a valid USB device address.
      2. For additional menu, Press any key.
USB host is not connected yet.
USB host is connected. Waiting a download.
Now, Downloading [ADDRESS:30038000h,TOTAL:90122]
RECEIVED FILE SIZE:   90122(884.9KB/S,0.1S)
Now, Checksum calculation
Checksum Error!!! MEM:8d32 DN:7a93
USB host is connected. Waiting a download.
###### Select Menu ######
[0] Download & Run
[1] Download Only
[2] Test SDRAM
[3] Change The Console UART Ch.

+---------------------------------------------+
| S3C2410X USB Downloader ver R1.12 05/20/03  |
+---------------------------------------------+
FCLK=304MHz,DMA mode
USB: IN_ENDPOINT:1 OUT_ENDPOINT:3
FORMAT: +++
NOTE: 1. Power off/on or press the reset button for 1 sec
         in order to get a valid USB device address.
      2. For additional menu, Press any key.
USB host is not connected yet.
USB host is connected. Waiting a download.
Now, Downloading [ADDRESS:30038000h,TOTAL:90122]
RECEIVED FILE SIZE:   90122(885.1KB/S,0.1S)
Now, Checksum calculation
Checksum Error!!! MEM:8d32 DN:7a93
USB host is connected. Waiting a download.
###### Select Menu ######
[0] Download & Run
[1] Download Only
[2] Test SDRAM
[3] Change The Console UART Ch.
Download&Run is selected.
USB host is connected. Waiting a download.
Now, Downloading [ADDRESS:30038000h,TOTAL:712574]
RECEIVED FILE SIZE:  712574(924.3KB/S,0.8S)
Now, Checksum calculation
Checksum Error!!! MEM:5d12 DN:38dc
###### Select Menu ######
[0] Download & Run
[1] Download Only
[2] Test SDRAM
[3] Change The Console UART Ch.
Download&Run is selected.
USB host is connected. Waiting a download.
Now, Downloading [ADDRESS:30038000h,TOTAL:238966]
RECEIVED FILE SIZE:  238966(892.4KB/S,0.3S)
Now, Checksum calculation
Checksum Error!!! MEM:6031 DN:6759

哎，你是初来咋到？这里的规矩是没有人回答无分的帖子的。
————————————————————————————
网上大把多，哪用改呢？

是初来乍到，呵呵。下载的用在我的板子上都不好用、。得改。等看看怎拿分

我认为是dnw usb下载地址用问题 我也出现过