Interromper boot para passar Firmware Ovislink WL-1120AP

pessoal como interromper o boot da ap pelo minicom? já tentei pressionar ESC mas não acontece nada, ja tentei tb enviar o comando de BREAK e tb não funcionou. abaixo esta o que acontece no terminal!!


UART1 output test ok
Uart init
Found 1 x 2M flash memory

---RealTek(RTL8181)at Thu Nov 13 01:55:53 CST 2003 version 2.02
Error led is OnJump to image start=0x80300000...
Error led is Offdisplay on
entering boot loader, turning on display
decompressing kernel:
Uncompressing Linux... done, booting the kernel.
done decompressing kernel.
Linux version 2.4.18-MIPS-01.00 (root@localhost) (gcc version 3.0.3) #27 �G 3��5
Determined physical RAM map:
memory: 01000000 @ 00000000 (usable)
Initial ramdisk at: 0x8019a000 (1040351 bytes)
On node 0 totalpages: 4096
zone(0): 4096 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/ram console=0 ramdisk_start=0 single
Calibrating delay loop... 204.80 BogoMIPS
Memory: 13352k/16384k available (1490k kernel code, 3032k reserved, 1100k data,)
Dentry-cache hash table entries: 2048 (order: 2, 16384 bytes)
Inode-cache hash table entries: 1024 (order: 1, 8192 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 4096 (order: 2, 16384 bytes)
unavailable.
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
Serial driver version 6.02 (2003-03-12) with no serial options enabled
ttyS00 at 0x00c3 (irq = 3) is a rtl_uart1
state->flags=00000000
block: 64 slots per queue, batch=16
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
PPP generic driver version 2.4.1
RTL8181[mtd]: FLASH probe address=0xbfc00000 size=0x200000
Amd/Fujitsu Extended Query Table v1.0 at 0x0040
number of CFI chips: 1
Creating 1 MTD partitions on "FLASH":
0x00000000-0x00200000 : "RTL8181 MTD"
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 1024 bind 2048)
ip_conntrack (128 buckets, 1024 max)
ip_tables: (C) 2000-2002 Netfilter core team
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NET4: Ethernet Bridge 008 for NET4.0
Bridge firewalling registered
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 1015k freed
VFS: Mounted root (ext2 filesystem).
Freeing unused kernel memory: 48k freed
mount /proc file system ok!
serial console detected. Disabling virtual terminals.
Abocom Gateway System init started: BusyBox v0.60.1 (2005.03.15-08:55+0000) muy
flash paramter check
Invalid hw setting signature or version number [sig=��, ver=-1, len=65535]!
HW configuration invalid, reset default!
FLASH Erase Successedread hs MIB failed!


BusyBox v0.60.1 (2005.03.15-08:55+0000) Built-in shell (msh)
Enter 'help' for a list of built-in commands.

# Invalid: not found
Invalid: not found
Invalid: not found
Invalid: not found
Invalid: not found
Invalid: not found
do_page_fault() #2: sending SIGSEGV to auth for illegal read access from
00000038 (epc == 004423ac, ra == 0040dda0)
47: SIGSEGV
Port:777
Invalid hw setting signature or version number [sig=��, ver=-1, len=65535]!
Initialize AP MIB failed!

do_page_fault() #2: sending SIGSEGV to pcmd for illegal read access from
00000000 (epc == 2ab155fc, ra == 00403550)