US Robotics 8200

The USR8200 is a 5-port router with USB 2.0 and Firewire ports. The released firmware is based on Jungo's OpenRG.

There's only one version of the device. However, some units contain older revisions of the IXP422 and these are not supported! The install program detects these and warns the user.

CPU Ram Flash Network USB Firewire Serial JTag
IXP422 64MB 32MB 4×1 Yes Yes Yes* Yes*
  • Requires opening the unit.

Installation involves replacing the manufacturer's firmware (including bootloader). The first step is to install Redboot; obtain a copy from here: Then follow the installation procedure described for Actiontec MI424-WR.

Architecture: ARM
Vendor: Intel
Bootloader: Redboot
System-On-Chip: X-Scale IXP422
CPU Speed: 266 Mhz
Flash-Chip: TE28F128 J3C150
Flash size: 16 MiB
RAM: 64 MiB
Ethernet: Marvel 88E6060 switch
USB: VT6212L USB 2.0 Controller
Firewire: VT6307S IEEE 1394
Serial: Yes

Note: This will void your warranty!

  • There is one screw under the label on the bottom cover.
  • There are 7 tabs (4 under the legs).
  • Pry appart.

Main PCB

 USR8200 PCB

There is a 10-pin header on the motherboard. It provides RS-232 level signals. The pin assignments (all other pins are not connected):

Pin Signal
3 TX
5 RX
9 Ground

How to connect to JTAG interface, and how to reflash the device with JTAG tools

See port.jtag for more JTAG details.

The default network configuration is:

Interface Name Description Default configuration
eth0 LAN ports (1 to 4)
eth1 WAN port DHCP

The USR8200 has one button: Reset.

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  • Last modified: 2022/01/25 05:45
  • by g6094199