ce提示的一个错误，请问如何解决

quietstar 2004-03-24 01:13:32

(2004-03-24 13:01:23) ce(357981339)
我做CEPC，用COM1口，超级终端看到了如下错误：请问是怎么回事？

Microsoft Windows CE Ethernet Bootloader Common Library Version 1.0 Built Dec 5
2001 00:44:40
Copyright (c) 2000-2001 Microsoft Corporation
Microsoft Windows CE Ethernet Bootloader 3.3 for CE/PC (Dec 5 2001)
Boot Args @ 0x1D806
PCI Device Configurations (2 PCI bus(es) present)...
========================================================
Bus, Device, Function = 0, 17, 0
Vendor ID, Device ID = 0x10EC, 0x8139
Base Class, Subclass = 2, 0 => NETWOR
Interrupt = 12
BaseAddress[0] = 0xE400 (I/O)
BaseAddress[1] = 0xE9000000 (Memory)
========================================================
Bus, Device, Function = 1, 0, 0
Vendor ID, Device ID = 0x1023, 0x9880
Base Class, Subclass = 3, 0 => DISPLAY_CTLR
Interrupt = 11
BaseAddress[0] = 0xE5800000 (Memory)
BaseAddress[1] = 0xE6000000 (Memory)
BaseAddress[2] = 0xE5000000 (Memory)
========================================================
FindPCINetCard: Searching for PCI Ethernet NIC (IRQ=12 and IOBase=0xE400)...
FindPCINetCard: Found Ethernet NIC (IRQ=12, IOBase=0xE400).
RTL8139InitDMABuffer():: Start[0x200000]-[0x200000] - Size[0x20000]
Tx[0x200000] - Rx[0x201800] - RxLength[0x10000] - RxLengthBit[0x1800]
RTL8139Init():: BaseIO[0xE400] : MemOffset[0x1]
RTL8139Init():: TxBuff[0x200000] - RxBuff[0x201800] - LastRx[0x2117FF]
RTL8139Init:: MAC = 00-E0-4C-5E-1A-4A
RTL8139 ethdbg library: AutoNegotiate..
RTL8139:: RTL8139HWSetMCRegs():: Set all to 0x00
Returned MAC Address:00:E0:4C:5E:1A:4A
System ready!
Preparing for download...
Using device name: CEPCRT6730
Using static IP address: 8200A8C0
+EbootSendBootmeAndWaitForTftp
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Sent BOOTME to 255.255.255.255
Locked Down Link 1
Src IP 192.168.0.130 Port 0400 Dest IP 192.168.0.131 Port 0412
EthDown::TFTPD_OPEN::boot.bin
-EbootSendBootmeAndWaitForTftp
****** Checksum failure on record 2, ABORT!!! ******

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