This page contains information about the TP-LINK OnHub Router TGR1900, an OnHub WiFi router. that is interesting and/or useful to software developers. For general information about getting started with developing on Chromium OS (the open-source version of the software on the Chrome Notebook), see the Chromium OS Developer Guide.



  • CPU: Qualcomm Krait IPQ8064 (ARM A9) dual core 1.4 GHz
  • RAM: 1 GiB DDR3 (Not upgradeable)
  • Disk: 4 GiB eMMC (Not upgradeable)
  • USB 3.0
    • 1 USB Standard A port
  • Connectivity
    • WiFi aux 802.11 a/b/g/n/ac 1x1
    • WiFi 2.4 & 5 GHz 802.11 b/g/n 3x3 with smart antenna
    • Ethernet WAN 1 port 10/100/1000 Mbps
    • Ethernet LAN 1 port 10/100/1000 Mbps
  • Size: 7.5in x 4.1in x 4.6in
  • Weight: 1.9lb


This device uses coreboot and Depthcharge as a payload to boot the system. You can find the source in the Chromium OS coreboot git tree and the Chromium OS depthcharge git tree in the firmware-storm-6315.B branches.