Netgear WNR834Bv2

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multiple revisions of this device, use caution
bgn (N300)
RangeMax NEXT Wireless-N Router
3rd Party Firmware
Status Unknown
Status Unknown
Tomato any flavor
Status Unknown
Netgear WNR834B v2
wireless router
Broadcom BCM4704
CPU1 Type
CPU1 Speed
264 MHz
Flash1 Chip
Macronix MX29LV320CBTC-90G
Flash1 Size
4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br />
RAM1 Size
16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Chip
Samsung K4S641632K-UC75 x 2
ETH chip1
Broadcom BCM4704
Broadcom BCM5325F
Ethernet Port Count
Stock bootloader
CFE 1.0.37 BCM947XX
Stock FW OS
Linux 2.4.20
Expansion IF types
none specified
12 VDC, 1 A
Connector type
Serial Port (UART)
yes, internal, 6-pin header, unpopulated, 3.3V TTL, (115200 8N1), JP1
yes, internal, 10-pin header, unpopulated, J12

Additional chips
2.4GHz Power Amplifier IC;Skyworks;SE2528L;;2;


Default SSID: NETGEAR (43 addl. devices)
Default IP address:
the IP is used by 1292 additional devices
of which 105 are Netgear devices
Default login user: admin
Default login password: password
admin:password credentials used by 420 additional devices
of which 301 are Netgear devices

Foxconn U12H081
3rd Party Firmware Support
DD-WRT • (List)
FCC approval date 04 June 2007
UPC 606449041415
(UPC DB, On eBay)
ASIN B000FFRZ1W Flag of the United States.svg
Country of manuf China
Radio 1
Broadcom BCM4321
Broadcom BCM2055
Wireless interface OUI
00:1B:2F, 00:1E:2A, 00:1F:33, 00:22:3F, 00:24:B2
Antenna Connector Type
MIMO status
Wireless Standard
IEEE 802.11b/g/n
up to 300 Mbps
up to 54 Mbps
up to 11 Mbps
WiFi Operating Frequency
2.4 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
Netgear WNR834AIntelAtherosAtheros
Netgear WNR834Bv1BroadcomBroadcom
Netgear WNR834Bv2BroadcomBroadcom
Netgear WNR834MMarvellMarvellMarvell

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

For a list of all currently documented Netgear device with specifications, see Netgear.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class


"U12H081", "REV. 3 GP", and "800063" is silkscreened on one production model WN834Bv2.

Links of Interest



JTAG-Serial Info


Serial Pinouts

This is a common Netgear / Foxconn pinout..

 1         JP1
(3.3v) (RxD) (NC)  (NC)  (TxD)  (GND)

Info derived from

boot log


CFE version 1.0.37 for BCM947XX (32bit,SP,LE)
Build Date: Thu May  3 14:43:11 CST 2007
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
et1: Broadcom BCM47xx 10/100 Mbps Ethernet Controller
CPU type 0x29006: 264MHz
Total memory: 16384 KBytes

Device eth0:  hwaddr 00-24-B2-00-89-60, ipaddr, mask
              gateway not set, nameserver not set
CPU revision is: 00029006
Primary instruction cache 16kb, linesize 16 bytes (2 ways)
Primary data cache 16kb, linesize 16 bytes (2 ways)
Linux version 2.4.20 (aspen@coolteam.cs) (gcc version 3.2.3 with Broadcom modifications)
#2 Thu Mar 27 15:12:04 CST 2008
Setting the PFC to its default value
Determined physical RAM map:
 memory: 01000000 @ 00000000 (usable)
On node 0 totalpages: 4096
zone(0): 4096 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/mtdblock2 noinitrd console=ttyS0,115200
CPU: BCM4704 rev 9 at 264 MHz
Calibrating delay loop... 263.78 BogoMIPS
Memory: 14360k/16384k available (1361k kernel code, 2024k reserved, 108k data, 56k init, 0k highmem)
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)
Checking for 'wait' instruction...  unavailable.
POSIX conformance testing by UNIFIX
PCI: Initializing host
PCI: Enabling CardBus
PCI: Fixing up bus 0
PCI: Fixing up bridge
PCI: Fixing up bus 1
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
devfs: v1.12c (20020818) Richard Gooch (
devfs: boot_options: 0x1
Squashfs 2.2-r2 (released 2005/09/08) (C) 2002-2005 Phillip Lougher
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled
ttyS00 at 0xb8000300 (irq = 3) is a 16550A
ttyS01 at 0xb8000400 (irq = 0) is a 16550A
PPP generic driver version 2.4.2
 Amd/Fujitsu Extended Query Table v1.1 at 0x0040
number of CFI chips: 1
Flash device: 0x400000 at 0x1c000000
Physically mapped flash: squashfs filesystem found at block 620
Creating 8 MTD partitions on "Physically mapped flash":
0x00000000-0x00020000 : "boot"
0x00020000-0x003b0000 : "linux"
0x0009b324-0x003b0000 : "rootfs"
0x003b0000-0x003c0000 : "T_Meter1"
0x003c0000-0x003d0000 : "T_Meter2"
0x003d0000-0x003e0000 : "POT"
0x003e0000-0x003f0000 : "board_data"
0x003f0000-0x00400000 : "nvram"
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 1024 bind 2048)
Linux IP multicast router 0.06 plus PIM-SM
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NET4: Ethernet Bridge 008 for NET4.0
802.1Q VLAN Support v1.7 Ben Greear <>
All bugs added by David S. Miller <>
VFS: Mounted root (squashfs filesystem) readonly.
Mounted devfs on /dev
Freeing unused kernel memory: 56k freed
Algorithmics/MIPS FPU Emulator v1.5
Reading board data...
WSC UUID: 0x8062e454105b992f3427e1eda53bf588
Using /lib/modules/2.4.20/kernel/drivers/net/et/et.o
insmod: bcm57xx.o: no module by that name found
Using /lib/modules/2.4.20/kernel/drivers/net/wl/wl.o
Hit enter to continue...NVRAM upgrade required.  Starting.
NVRAM upgrade complete.
Reading board data...
WSC UUID: 0x8062e454105b992f3427e1eda53bf588
WARNING: console log level set to 1
eth2: Numerical result out of range
eth2: Operation not supported
eth2: Invalid argument
eth2: Invalid argument
eth2: Operation not supported
eth2: Operation not supported
eth2: Invalid argument
eth3: No such device
ifconfig: Illegal seek
eth4: No such device
ifconfig: Illegal seek
eth2: ignore i/f due to error(s)
Wi-Fi Simple Config Application - Intel Corp.
Version: Build 1.0.5, November 19 2006
Reading board data...
WSC UUID: 0x8062e454105b992f3427e1eda53bf588
Using /lib/modules/2.4.20/kernel/net/ipv4/acos_nat/acos_nat.o
Info: No FWPT default policies.
info, udhcp server (v0.9.8) started
error, unable to parse 'option wins '
error, unable to parse 'option domain '
POT integrity check OK.
POT time is up.
Initializing stack...button monitor start...!
apLockDownLog_init, counttion = 300, duration = 300!
Now starting stack
get mac = 00 24 B2 00 89 60
Start DHCP client daemon
info, udhcp client (v0.9.8) started
eth1: No such process
Hit enter to continue...DEVICE PIN: 75885960

******* MODE: Access Point *******

DEVICE PIN:75885960
WSC: In unconfiged AP mode, wait for start command....
tlvPtrChar* : func CMasterControl_InitiateRegistration
line 656 allocating memory 0x10004100 for 0x100040e8
Waiting for Registrar to connect...