Netgear WNDR4700

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abgn (AN900)
Netgear WNDR4700 CENTRIA
Centria N900 Dual Band Gigabit Wireless Router with 3.5" Storage Bay
Homepage Product page
Wikipedia Netgear
WikiDevi.wi-cat.ru Netgear WNDR4700
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
Brand • Model • Rev Netgear WNDR4700 (CENTRIA)
FCC ID PY311400179
IC ID 4054A-11400179
Board ID 2976387505
Type wireless router, NAS
CPU1 Question? Applied Micro APM82181
CPU1 Type PowerPC 464
CPU1 Speed 1.0 GHz
Flash1 Chip SK hynix H27U1G8F2BTR
Flash1 Size 128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (NAND)
RAM1 Size 256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip Nanya NT5TU64M16GG-AC x 2
ETH chip1 Applied Micro APM82181
Switch Atheros AR8327N
Ethernet Port Count 1-1GbE-WAN
4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: 20:E5:2A (5 E, 7 W)
Ethernet OUI: 20:E5:2A (5 E, 7 W)

Stock bootloader U-Boot 2009.08
Stock FW OS Linux 2.6.32.11 OpenWrt-deriv
Expansion IF types USB 3.0, SATA, SD Card slot
USB ports 2
SD/MMC Slots 1
SATA Ports 1
USB Hub Compatible Untested
Power 12 VDC, 5 A
Connector type barrel
5.5 mm (OD)
2.1 mm (ID)
9.5 mm (LEN)
Serial Port (UART) yes
JTAG Port yes

Flags:
fan, DFS

Additional chips
PCIe Expansion Switch;IDT;89HPES4T4;;1;
USB 3.0 Host Controller;Renasas;D720202;;1;
USB 2.0 Single Slot SD Card Reader;Genesys Logic;GL827L;;1;

Other

Default SSID: NETGEARXX (37 addl. devices)
, NETGEARXX-5G (15 addl. devices)
Default login user: admin
Default login password: password
admin:password credentials used by 428 additional devices
of which 307 are Netgear devices

Manuf/OEM/ODM Delta Networks
3rd Party Firmware Support OpenWrt • (List | Dev | DLs)
Retail
Availability End of Life
FCC approval date 13 August 2012
UPC 606449082944
(UPC DB, On eBay)
ASIN B0092ML8QW
Country of manuf China
Radio 1
Chip1 Atheros AR9381
Wireless interface OUI 20:E5:2A
Antenna Connector Type U.FL
MIMO status 3x3:3
Wireless Standard IEEE 802.11b/g/n
802.11n up to 450 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
Radio 2
Chip1 Atheros AR9380
Wireless interface OUI 20:E5:2A
Antenna Connector Type U.FL
MIMO status 3x3:3
Wireless Standard IEEE 802.11a/n
802.11n up to 450 Mbps
802.11a up to 54 Mbps
WiFi Operating Frequency 5 GHz

For a list of all currently documented Applied Micro (AMCC) SoC's with specifications, see Applied Micro.
For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.

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

• 450 Mbps - 3SS 2.4GHz 802.11n (40MHz chan.),
• 450 Mbps - 3SS 5GHz 802.11n (40MHz chan.) = AN900 class

Overview

This FCC ID covers two devices...

  • WNDR4700 - no hard drive included
  • WNDR4720 - 2.0 TB hard drive included

Per the FCC docs..

  • "2976387504" is silkscreened on the board.
  • The CPU is part APM82181-SKE1000T (APM82181).
  • There is an IDT PCIe switch (89HPES4T4) on-board.
  • It is shown with three possible HDD brands, one Seagate, one Toshiba,
and one Western Digital - each 2.0TB in size.

Wi-Fi Certified : WFA18814 (as of 03/18/2013)

Links of Interest

Reviews

Per the VR-Zone review, the device is using...
Netgear WNDR4700 review on SmallNetBuilder

Wikis

  • Netgear WNDR4700:
 • On the OpenWrt ToH (techdata entry)
"2976387505" is silkscreened on the board.
20:E5:2A OUIs, NETGEARXX and NETGEARXX-5G
(numeric XX) default SSID patterns
PCI IDs include...
4x 111d:803a (IDT PES4T4), 168c:0030 (AR938xx), 168c:0033 (AR958x), 1912:0015 (Renasas µpd720202) indicating that one each of AR938x and AR958x series WiFi chips are being used with at least this particular device

Forum threads

Other

Flashing

Flashing OpenWrt

Target: apm821xx
Subtarget: nand
Package architecture: powerpc_464fp
Supported Since Commit
Support started version: 17.01.0
Current supported version: 25.12.0
LAN Hardware: Atheros AR8327N
WLAN Hardware: Atheros AR9381, Atheros AR9380
WLAN Comment: 3x3 MIMO
Installation method(s):
GUI OEM, U-Boot TFTP recovery, see git-commit
git • >> 
apm821xx: add support for the Netgear Centria N900 WNDR4700/WNDR4720
This patch adds support for Netgear Centria N900 WNDR4700/WNDR4720

hardware highlights:

CPU:	AMCC PowerPC APM82181 Rev. E at 1000 MHz (PLB=166, OPB=83, EBC=83 MHz)
	Security support, Boot ROM Location NAND wo/ECC 2k page (8 bits)
	32 kB I-Cache 32 kB D-Cache, 256 kB L2-Cache, 32 kB OnChip Memory
Board:	AMCC APM82181 Evaluation Board, PCIE0/SATA1, 1*USB OTG
DRAM:	256 MB (ECC not enabled, 500 Mb/s, 32-bit, CL3)
NAND:	128 MiB (SLC, erase size: 128 KiB, page size: 2048, OOB size: 64)
ETH:	Atheros AR8327N Gigabit Switch (4 x LAN, 1 x WAN)
USB:	2 x 3.0 (Renesas uPD720202K8-711-BAA-A, firmware not included)
SATA:	1 x SATA-II 3.5" Hard Drive Bay for HDDs (DesignWare SATA).
WLAN1:	Atheros AR9380 5GHz 802.11an 3:3x3
WLAN2:	Atheros AR9581 2.4GHz 802.11bgn 3:3x3
SDCARD:	GL827L SD/MMC/MS Flash Card Reader (on internal dwc2 USB 2.0 host)
I2C:	GMT G781 (i2c-0 @ 0x4d - lm90 compatible temperature sensor)
	TC654    (i2c-0 @ 0x1b - Dual PWM fan Speed controller)

WARNING: The serial port needs a TTL/RS-232 v3.3 level converter!

INFO: Since this device only has a NAND chip. I opted for going with
root.squashfs in a UBI volume. There's no squashfs/jffs2 image.

This target produces three images.
  a. netgear factory image
     This image can be used to flash the Netgear WNDR4700 via the
     firmware recovery mechanism and the web admin site.

     The bootloader can be instructed to do a firmware recovery via the
     # fw_recovery
     command. It will start a tftp server and listen on 192.168.1.1
     (the ipaddr variable in u-boot) for incoming, binary tftp clients.
     The firmware recovery mechanism is also started if any of the flash
     content which contains the kernel, device-tree definitions or the
     (fake)rootfs fails to verify or load.

  b. sysupgrade.tar image for sysupgrade
     An sysupgrade will replace the entire current LEDE installation
     with a newer version. This does include the kernel and the ubi rootfs
     partition. The configuration can be carried over automatically as well
     if desired.

     simply copy the sysupgrade.tar to a the WNDR4700 running LEDE and run:

     root@lede:~# sysupgrade sysupgrade.tar

     and let it reboot.

     Note: The devicetree flash area is NOT updated. Until the devicetree
	   definition is stable, this can lead to all sorts of hardware
	   detection problems! So make sure, if you experience issues: try
	   the fw_recovery. If you are unsure whenever this affects you:
	   test if you can reproduce your issue with the initramfs method.
	   As it will always have up-to-date device-tree definitions.

  c. initramfs image for TFTP (for development and testing)
     To use the initramfs method, follow the following steps:
       1) Move the "lede-apm821xx-netgear-WNDR4700-initramfs-kernel.bin"
	  file to to the root directory of your TFTP server.

       2) rename it to wndr4700.bin

       3) On the WNDR4700 - Hit Enter during u-boot and insert:
	  # tftp 400000 wndr4700.bin; run addtty; bootm 400000 -

     This will boot the LEDE image.

     Note: The default tftp server is 192.168.1.7, if you want to change it:
     # setenv serverip 192.168.8.7;

     Note2: The default address for the WNDR4700 is 192.168.1.1:
     # setenv ipaddr 192.168.8.8;

     Note: Connect you tftp server on the last LAN port (not the WAN)

Note: The firmware for the USB 3.0 Host chip is not included anymore.
Therefore the two USB 3.0 ports will not work without the
uPD7070x-firmware package installed.

Pictures

User Images
  • Board Top
    Board Top
  • Board Bottom
    Board Bottom
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