Linksys WRT310N v2

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multiple revisions of this device, use caution
bgn (N300)
Wireless-N Gigabit Router
Linksys WRT310N.jpg
Support Support page
Wikipedia Linksys routers
InfoDepot Wiki Linksys WRT310N v2.0
WikiDevi.wi-cat.ru Linksys WRT310N v2
3rd Party Firmware
dd-wrt Supported
OpenWrt Was Supported
Tomato any flavor Supported
Gargoyle Status Unknown
Platform
BrandModelRev Linksys WRT310N v2
FCC ID Q87-WRT310NV2
IC ID 3839A-WRT310NV2
Type wireless router
CPU1 checkY Broadcom BCM4716B0
CPU1 Type MIPS 74K
CPU1 Speed 300 MHz
Flash1 Chip Winbond 25X32VSIG
Flash1 Size 4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br /> (Serial)
RAM1 Size 32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
RAM1 Chip Winbond W9425G6EH-5H
ETH chip1 Broadcom BCM4716B0
Switch Broadcom BCM53115
Ethernet Port Count 1-1GbE-WAN
4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: 00:25:9C (8 E, 15 W)
Ethernet OUI: 00:25:9C (8 E, 15 W)

Stock bootloader CFE
Expansion IF types none specified
Power 12 VDC, 1 A
Connector type barrel
4.5 mm (OD)
2 mm (ID)
10 mm (LEN)
Serial Port (UART) yes, internal, 5-pad header, unpopulated, 3.3V TTL, (115200 8N1)
JTAG Port yes
Other

Default SSID: linksys (53 addl. devices)
Default IP address: 192.168.1.1
the IP 192.168.1.1 is used by 1336 additional devices
of which 155 are Linksys devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1347 additional devices
of which 59 are Linksys devices

Manuf/OEM/ODM CyberTAN
3rd Party Firmware Support DD-WRT • (List)
, OpenWrt (Was)
, TomatoUSB • (List | DLs)
Retail
Availability End of Life
(Est.) release date 10 April 2009
Physical
Dimensions 8.0" x 6.3" x 1.3"
Radio 1
Chip1 Broadcom BCM4716B0
Wireless interface OUI 00:25:9C
Antenna Connector Type Internal
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n
802.11n up to 300 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
Radio cor_rev 17
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
Linksys WRT310N v1BroadcomBroadcomBroadcom
Linksys WRT310N v2BroadcomBroadcom

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

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

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

Overview

"3762-02010206R" is silkscreened on the board.

The power adapter included with the device is a Linksys AD12V/1A-SW. ID/OD/Len measurements are approximate.

Exactly the same hardware as Cisco M20

Links of Interest

Flashing

Flashing dd-wrt

Support started version: dd-wrt.v24-13594_NEWD-2_K2.6
Current supported version: ?
  1. Do a 30-30-30. Router goes into management mode.
  2. Select the option to reset the NVRAM.
  3. Select the option to reboot the router.
  4. Log into default Linksys router web control panel.
  5. Use normal Linksys firmware upgrade process to load this image
    dd-wrt.v24-14929_NEWD-2_K2.6_mini_wrt310nv2.bin
  6. Do another 30-30-30 after the upgrade. Router goes into management mode.
  7. Select the option to reboot the router.
  8. Start using DD-WRT

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
On the OpenWrt Forum
OpenWrt Target: bcm47xx
OpenWrt Subtarget: mips74k
OpenWrt Package architecture: mipsel_74kc
Support started version: 15.05
Current supported version: EOL
Last Supported Version: 22.03.7
Unsupported Functions:
WiFi 2.4GHz partly
Comment:
Final version: 22.03.7

Please insert instructions here

Flashing Tomato

Please insert instructions here

Upgrading

Updating DD-WRT

If dd-wrt is already on the router follow these instructions. If stock firmware is on the router follow the flashing instructions.

  1. Check for recommended builds here first.
  2. Set your computer to a static IP of 192.168.1.7. (or to whatever subnet the router is on) Disable all firewalls and security. Disable wireless on your computer and only have the router connected to the flashing computer by the ethernet cable between the two.
  3. Hard reset or 30/30/30 (If the router supports it, if not, reset to defults in the GUI) prior to flashing. Wait. Check for password page on re-login and change password.
  4. Flash firmware. You can use the webgui except if you have a belkin router. (For belkin use tftp.exe to flash)
  5. Wait...at least three minutes. Lights should return to normal. See important2, below. Failing to wait is how most people brick their routers.
  6. Do a power cycle of the router. (Unplug the cord, count to 30 and plug it back in.)
  7. Wait for the lights to return to normal usually about 2 minutes.
  8. Hard reset or 30/30/30 again (If the router supports it, if not, reset to defults in the GUI). Wait. Check for the password page and re-login to change the password. Then you can reconfigure your settings manually.
  9. Once configured set your computer back to autoIP and autoDNS.

Important1: This Hard reset or 30/30/30 works fine for Asus router, but you do have to power cycle after the reset.

Important2: After you flash the firmware, and before you do the hard reset, the router will be building some nvram settings. YOU MUST WAIT FOR THIS TO FINISH PRIOR TO DOING ANYTHING WITH THE ROUTER INCLUDING A HARD RESET. Usually, you can tell when this process is completed by the WAN light coming on, but it does take several minutes. Go have a beer. There are starting to be more and more people who BRICK their routers by not waiting until the nvram is rebuilt, PRIOR to doing a hard reset. YOU NEED TO WAIT!

JTAG-Serial Info

JTAG

JTAG Pinouts

nTRST   1o o2	GND
  TDI   3o o4	GND
  TDO   5o o6	GND
  TMS   7o o8	GND
  TCK   9o o10	GND
nSRST  11o o12  N/C

Pictures

User Images
TTL Serial Connection

You'll need a 3.3v capable TTL level converter like CP2102 chipset device. (find at amazon, ebay, etc) The unpopulated pads are labeled J14. Pinout is: 3.3v, TX, RX, NC?, GND. Serial settings 115200,8,N,1.

FCCID fccidnumber