850G V2刷CFE后，无法PING通

cq0***

850G V2刷CFE后，无法PING通192.168.10.1
850G v2升级32M（2片16M）内存，之前使用正常，最近一次使用插上电源，问题出现，重启也不行，清NVRAM也无效，后清cef 重刷后无法ping通192.168.10.1无法刷固件。我试过刷16M、32M及原机备份的cef都ping不通,那位老师能给我找出原因？谢谢！

接ttl后看到的信息如下，ctrl+c中止启动后进入cfe提示符下，过一会死机。

CFE version 1.0.37 for BCM947XX (32bit,SP,LE)
Build Date: Mon Aug 18 18:14:49 CST 2008 (root@localhost.localdomain)
Copyright (C) 2000,2001,2002,2003 Broadcom Corporation.

Initializing Arena
Initializing Devices.
Boot partition size = 131072(0x20000)
et0: Broadcom BCM47xx 10/100 Mbps Ethernet Controller 4.150.19.0
CPU type 0x29029: 240MHz
Total memory: 32768 KBytes

Total memory used by CFE:  0x80700000 - 0x807979C0 (620992)
Initialized Data:          0x8072EA50 - 0x807311A0 (10064)
BSS Area:                  0x807311A0 - 0x807319C0 (2080)
Local Heap:                0x807319C0 - 0x807959C0 (409600)
Stack Area:                0x807959C0 - 0x807979C0 (8192)
Text (code) segment:       0x80700000 - 0x8072EA50 (191056)
Boot area (physical):      0x00798000 - 0x007D8000
Relocation Factor:         I:00000000 - D:00000000

Device eth0:  hwaddr 00-11-22-33-44-55, ipaddr 192.168.10.1, mask 255.255.255.0
        gateway not set, nameserver not set
Max TRX Image Supported: 0xFA0000
Boot program checksum is invalid
Invalid boot block on disk
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured
Reading :: Failed.: Timeout occured

yy5***

估计还是内存没有焊好啊！！！