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CloudEngines Pogoplug Pro / V3

CloudEngines Pogoplug Pro/V3

:!: CloudEngine marketed different devices under the name “Pogoplug”, some of which even share the same outward appearance. This page is for the devices using the Oxnas/PLXtech SoC.

The “V3 Pro” version is marked “P01” or “P02” on the bottom, the non-“pro” “V3” version is marked “B01”, “B02”, “B03”, “B04”, “P21”, “P24”, or “P25”.

Devices marked “E02” share the same case but not the hardware, they can be found at their own target: Kirkwood Pogoplug E02

Supported Versions

Hardware Highlights

ModelVersionSoCCPU MHzFlash MBRAM MBWLAN HardwareWLAN2.4WLAN5.0100M portsGbit portsModemUSB
Pogoplug V3B0*, P2*PLX NAS78207001281281x mini-PCIe---1-4x 2.0
Pogoplug V3 ProP01, P02PLX NAS7820700128128AW-NE762H PCI(e)b/g/n--1-4x 2.0


Important Notes

Support for the OXNAS Pogoplugs has been added with OpenWrt 15.05. OpenWrt 15.05 and LEDE 17.01 required a u-boot version more capable than the vendor u-boot that comes with the Pogoplug. This required a rather convoluted installation process, resulting in either loading a suitably capable u-boot from the less capable vendor u-boot (a “2nd stage u-boot”) or outright replacing the vendor u-boot (which is rather dangerous).

With 18.06, the OXNAS target has been overhauled, one of the results is that it can now be booted from the vendor u-boot, no additional or replacement u-boot required anymore. One of the consequences of those significant changes is that you cannot upgrade from an older version than 18.06 to 18.06 or later using sysupgrade. If you try to force it, you will render your device unable to boot, you will need to go through the installation process outlined below.


As of 2020-01-14, all versions of 18.06, 19.07 and snapshot contain a bug that prevents a proper boot after a reset. If you reset the device from OpenWrt it will hang at the subsequent boot and requires a physical power cycle.

In versions 18.06.0 through 18.06.2, pre-compiled “official” images did not contain a kernel image, resulting in an unbootable Pogoplug even if you followed the correct install process. Pre-built OpenWrt 18.06.0 to 18.06.2 images are broken and can not be used. This has been fixed in OpenWrt 18.06.3 and newer versions.


You will need the following:

  • Three files:
    (series-3 or pro depending on your Pogoplug hardware. For brevity of this guide, the files are only referenced by the last part of the filename)
  • A serial connection (see serial below) between your PC and the Pogoplug
  • An ethernet connection between your PC and the Pogoplug
  • A TFTP server on your PC, serving the initramfs-uImage file
  • An SCP client on your PC

Installation Process

Danger - live voltage!

A Pogoplug contains its own unenclosed power supply in the lower part of the case. When connected to power, parts inside the case are live at mains voltage and must be handled with extreme care!

Seriously, this could kill you if you're not careful. Please completely disconnect the Pogoplug from power before opening the case and working inside, and make really sure to not touch anything inside as long as the Pogoplug is powered.

Step 1: Changing the U-Boot configuration

Open the serial connection and power on your Pogoplug. Once you see Hit any key to stop autoboot: … hit any key to stop autoboot. You will be on the vendor u-boot command line, prompting you with CE>.

Permanently change the bootloader's boot configuration to boot OpenWrt:

setenv bootcmd 'nboot 60500000 0 440000; bootm'

Step 2: Transfer and boot OpenWrt through tftp in U-Boot

U-Boot expects to download files from a TFTP server located at the IP address configured in the U-Boot variable serverip, and it will appear on the network with its own IP configured in “ipaddr”.

Set appropriate IP addresses for the server and the Pogoplug:

setenv serverip
setenv ipaddr

Set your PC's ethernet connection to the static address and start the tftp server.

Transfer the initramfs-uImage to uboot and start it:

tftp 64000000 initramfs-uImage
bootm 64000000

OpenWrt will start up, but only in memory.

Step 3: OpenWrt in RAM

Contrary to other devices, in the OpenWrt build for the Pogoplug the ethernet interface is configured as DHCP. This may change in the future, but for now it is not quite ideal for our flashing process. Set it to a static IP using:

uci set network.lan.proto=static
uci set network.lan.ipaddr=
uci set network.lan.netmask=
uci commit
service network restart

and leave your PC's ethernet interface configured to the same address (

Using SCP applications like WinSCP, transfer the OpenWrt firmware image to OpenWrt's /tmp directory, and flash it with sysupgrade.

Step 4a: OpenWrt 19.0x or snapshot

transfer the xxxxxxxxxxx-squashfs-sysupgrade.tar file and flash it using:

sysupgrade /tmp/xxxxxxxx-squashfs-sysupgrade.tar

The Pogoplug will reboot, and you should be able to observe it booting into your complete OpenWrt installation. Again, the default LAN configuration is DHCP, so either plug it into a router serving DHCP or, while you are still connected, change the network configuration to a static IP.

Step 4b.1: OpenWrt 18.06

Transfer first the squashfs-ubinized.bin image, and then install it by using

sysupgrade -F /tmp/squashfs-ubinized.bin

(This sysugprade step requires -F!)

This will create the necessary partitions on your Pogoplug, but this step will not flash the kernel yet. Once the Pogoplug reboots, we need to go through the process a second time.

Step 4b.2: OpenWrt in RAM, again

Repeat “Step 2” above, but instead of squashfs-ubinized.bin, transfer the squashfs-sysupgrade.tar and flash it using:

sysupgrade /tmp/squashfs-sysupgrade.tar

(No -F necessary this time.)

This will finally write the kernel to flash. Your Pogoplug is now running OpenWrt.



Pogoplugs come with a serial header, populated with a Molex 70107 connector (as used with CD-ROM audio cables).

The settings for accessing the serial console are as follows:

Bits per second: 115200
Data bits: 8
Stop bits: 1
Parity: None
Flow control: None


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toh/cloudengines/pogoplugpro.txt · Last modified: 2020/01/14 13:52 by takimata