ok i found it any one could help what to do next
this from serial
MicroRedBoot v1.3, (c) 2009 DD-WRT.COM (Jul 6 2009)
CPU Clock: 184Mhz
Found Flash device SIZE=0x00400000 SECTORSIZE=0x00010000 FLASHBASE=0xBFC00000
no bootable image found, try default location 0xbfc10000
Booting Linux
loading
data corrupted!
switching to recovery RedBoot
loading.....No board config data found!
+**Warning** FLASH configuration checksum error or invalid key
Use 'fconfig -i' to [re]initialize database
Ethernet eth0: MAC address f4:93:58:b0:81:c7
IP: 192.168.1.1, Default server: 0.0.0.0
RedBoot(tm) bootstrap and debug environment [RAM]
Non-certified release, version UNKNOWN - built 12:19:01, Jul 6 2009
Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
Copyright (C) 2009 NewMedia-NET GmbH
Board: ap51
RAM: 0x80000000-0x81000000, [0x80031490-0x80fed000] available
FLASH: 0xbfc00000 - 0xbfff0000, 64 blocks of 0x00010000 bytes each.
RedBoot>