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File:Cisco Valet Plus M20 v1.0a.jpg Gigabit Wireless HotSpot Router |
NOTE: The info on this page is incomplete
NOTE: Do Not flash micro to this router.
NOTE: Use K2.6 only on this router.
NOTE: dd-wrt support for this router is WIP. Support started as of Build 14471
NOTE: During configuration or flashing a device, the only that should be hooked to the device is the computer and power.
Specs[]
This section is in need of cleanup!
Platform
Serial Num. = CVJ0 FCC ID = Q87-M20 CPU Type = Broadcom BCM4716B0KFBG CS0908 P20 E10186 N1 (BCM4716B SoC) MIPS Rev = ? CPU Speed = 300MHz Bus = ? Flash Type = Serial Flash Chip = ? Flash Size = 4MB Max Firmware Size = 3801088 bytes RAM Size = 32MB RAM Chip = hynix HY5DU561622FTP-D43 nvram Size = 60kb? Switch = Broadcom BCM53115SKFBG (BCM53115) Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = 1-10/100/1000-WAN 4-10/100/1000-LAN Wired Standard = IEEE 802.3/3u/3ab boot_wait = ? bootloader = CFE Flash Card Socket/Type = No SD/MMC Mod Support = No MiniPCI slots = No PoE = No Power = 12V/1.0A Color of LEDs = ? Size = 7.95" x 6.30" x 1.34" USB = No Serial Port = Yes JTAG Port = Yes Supported by TJTAG/Version = ? Supported by dd-wrt as of = svn14471 WIP dd-wrt K2.4 Support = No dd-wrt K2.6 Support = Yes Special Features = WIP, Exactly the same hardware as WRT310N v2.0
Radio (wl0)
Wireless Radio = Broadcom BCM4716B0KFBG (BCM4716B SoC) WLAN DSP processor = Broadcom BCM4716B0KFBG (BCM4716B SoC) Antenna Connector Type = Internal Wireless Standard = IEEE 802.11b/g/n WiFi Operating Frequency = 2.4GHz 802.11n Draft (40MHz): 13.0 ± 1.5 dBm @ CH6, 25? = up to 300Mbps 802.11n Draft (20MHz): 15.5 ± 1.5 dBm @ CH6, 25? = up to 150Mbps 802.11g 16.5 ± 1.5 dBm @ CH 6, 25? = 6, 9, 12, 18, 24, 36, 48, 54Mbps 802.11b 17.5 ± 1.5 dBm @ CH 6, 25? = 1, 2, 5.5, 11Mbps Radio cor_rev = ? Radio Capabilities = ?
Links of Interest[]
Flashing[]
Upgrading[]
If dd-wrt is already on the router follow these instructions. If stock firmware is on the router follow the flashing instructions.
- Check for recommended builds here first.
- 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.
- 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.
- Flash firmware. You can use the webgui except if you have a belkin router. (For belkin use tftp.exe to flash)
- Wait...at least three minutes. Lights should return to normal. See important2, below. Failing to wait is how most people brick their routers.
- Do a power cycle of the router. (Unplug the cord, count to 30 and plug it back in.)
- Wait for the lights to return to normal usually about 2 minutes.
- 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.
- 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!
Reverting[]
JTAG/Serial Info[]
JTAG[]
JTAG Pinouts[]
This section is in need of cleanup!
JTAG Recovery[]
This section is in need JTAG Recovery Instructions!
Serial[]
Serial Pinouts[]
VCC 1 o TX 2 o RX 3 o N/C 4 o GND 5 o
Hyper terminal Setup in Windows XP[]
In Windows XP, Click Start Button - All Programs - Accessories - Communication - HyperTerminal Enter a name for the connection, Click ok Choose com port you adapter is plugged into, Click ok Set: Bits per second = 115200 Data Bits = 8 Parity = none Stop bits = 1 Flow control = none Click ok Click File - Save As, and select a place to save it to so you don't have to enter the settings again.
Putty Setup in Windows XP[]
After installing putty, run it Serial line = The COM port your using for serial (ie. COM3) Speed = 115200 Click on Serial under Connection Serial line to connect to = same as above (Serial line) Speed (baud) = 115200 Data bits = 8 Stop bits = 1 Parity = None Flow control = None Click Session Enter a name for your connection under saved sessions Click Save Click Open
Serial Recovery[]
This section is in need of Serial Recovery Instructions!
Pictures[]
FCC Pictures[]
Notes[]
Hardware Modification[]