我用的是QQ2440的开发板！我自己移植了一个uboot-116 我想用tftp下载内核（已经开通了tftp）但是确遇到了下面的问题！期待牛人的回复：
Environment size: 272/65532 bytes
kele2440 # ping 192.168.1.108
host 192.168.1.108 is alive
kele2440 # tftpboot 0x30000000 uImage
CS8900 Ethernet chip not found?!
TFTP from server 192.168.1.108; our IP address is 192.168.1.17
Filename 'uImage'.
Load address: 0x30000000
Loading: T T checksum bad
T checksum bad
T len bad 544 < 16992
T T len bad 78 < 16462
T T T checksum bad
T
