Engenius ECB3500

Description

An access point with 600mW transmit power, running Atheros SoC inside, with two 5 db antennas with RP-TNC connectors.

engenius_senao_ecb-3500_2.jpg
engenius_senao_ecb-3500_wifi_-_dd-wrt_logo_500x375.jpg

Serial console

$ screen /dev/ttyUSB0 9600
+Ethernet eth0: MAC address 00:02:6f:58:39:7c
IP: 192.168.1.1/255.255.255.0, Gateway: 0.0.0.0
Default server: 0.0.0.0

RedBoot(tm) bootstrap and debug environment [ROMRAM]
Non-certified release, version 1.1 - built 13:40:18, Jan 22 2009

Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.

Board: ap51
RAM: 0x80000000-0x82000000, [0x80040f30-0x80fe1000] available
FLASH: 0xa8000000 - 0xa87f0000, 128 blocks of 0x00010000 bytes each.
== Executing boot script in 2.000 seconds - enter ^C to abort
RedBoot> fis load -l linux
too long file.
lzma_decode failed. res=1
RedBoot> exec
Now booting linux kernel:
 Base address 0x80030000 Entry 0x80041000
 Cmdline :
+Ethernet eth0: MAC address 00:02:6f:58:39:7c
IP: 192.168.1.1/255.255.255.0, Gateway: 0.0.0.0
Default server: 0.0.0.0

RedBoot(tm) bootstrap and debug environment [ROMRAM]
Non-certified release, version 1.1 - built 13:40:18, Jan 22 2009

Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.

Board: ap51
RAM: 0x80000000-0x82000000, [0x80040f30-0x80fe1000] available
FLASH: 0xa8000000 - 0xa87f0000, 128 blocks of 0x00010000 bytes each.
== Executing boot script in 2.000 seconds - enter ^C to abort

Reflashing

With ap51 tool

With the ap51 tool (OpenWRT rootfs and vmlinux, backfire release):

root@buzek /home/zoobab/soft/fonera [11]# ./ap51-flash-1.0-42 eth0 openwrt-atheros-root.jffs2-64k openwrt-atheros-vmlinux.lzma
Reading rootfs file openwrt-atheros-root.jffs2-64k with 2359296 bytes...
Reading kernel file openwrt-atheros-vmlinux.lzma with 786432 bytes...
rootfs(0x006e0000) + kernel(0x000c0000) + nvram(0x00000000) sums up to 0x007a000
No packet.
No packet.
No packet.
No packet.
No packet.
No packet.
No packet.
No packet.
Peer MAC: 00:02:6f:58:39:7c
Peer IP : 192.168.1.1
Your MAC: 00:ba:be:ca:ff:ee
Your IP : 192.168.1.0
Setting IP address...
Loading rootfs...
Sending rootfs, 4608 blocks...
Initializing partitions...
Rootfs partition size now 0x006f0000
Flashing rootfs...

Screenshot

engenius-ecb3500-ap51.png

OpenWRT

root@OpenWrt:/# cat /proc/cpuinfo 
system type             : Atheros AR2315
processor               : 0
cpu model               : MIPS 4KEc V6.4
BogoMIPS                : 183.50
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 16
extra interrupt vector  : yes
hardware watchpoint     : no
ASEs implemented        :
shadow register sets    : 1
core                    : 0
VCED exceptions         : not available
VCEI exceptions         : not available

root@OpenWrt:/# cat /proc/meminfo 
MemTotal:          29404 kB
MemFree:           20720 kB
Buffers:               0 kB
Cached:             3748 kB
SwapCached:            0 kB
Active:             2304 kB
Inactive:           2228 kB
Active(anon):        836 kB
Inactive(anon):        0 kB
Active(file):       1468 kB
Inactive(file):     2228 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:           800 kB
Mapped:              768 kB
Slab:               2508 kB
SReclaimable:        412 kB
SUnreclaim:         2096 kB
PageTables:          144 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:       14700 kB
Committed_AS:       2856 kB
VmallocTotal:    1048404 kB
VmallocUsed:        1416 kB
VmallocChunk:    1040264 kB
root@OpenWrt:/# cat /proc/version 
Linux version 2.6.30.10 (openwrt@wrt1.marcant.net) (gcc version 4.3.3 (GCC) ) #24 Tue Apr 6 14:59:59 CEST 2010
root@OpenWrt:/# cat /etc/banner
/etc/banner      /etc/banner.rej
root@OpenWrt:/# cat /etc/banner
  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 Backfire (10.03, r20728) --------------------------
  * 1/3 shot Kahlua    In a shot glass, layer Kahlua 
  * 1/3 shot Bailey's  on the bottom, then Bailey's, 
  * 1/3 shot Vodka     then Vodka.
 ---------------------------------------------------
root@OpenWrt:/#