Version 8 (modified by Ryan Erbstoesser, 14 months ago) ( diff )

add more thermal

GW3089 GBlade Server Blade

Product Information

All product information and datasheets can be found here:

Getting Started

The GBlade is pre-installed with Ubuntu.

The GBlade should be powered via PoE.

The GBlade serial console can be accessed through the type C USB port through a cable to a desktop/laptop PC. The serial console will show up as a /dev/ttyUSBx device in Linux and can be accessed through a terminal program with the baud rate of 115,200.


sudo screen /dev/ttyUSB1 115200,cs8

Once connected via the USB cable, SSH can be enabled (it is disabled by default) with instructions here: Enable SSH

Any server software (LAMP stack, etc) can then be installed with the package manager.

apt-get update
apt-get install {your package}


There are two ports, 1GbE and 10GbE.

  • (eth1) 1GbE RGMII port is on the left (PoE)
  • (eth0) 10GbE XFI port is on the right.
  • Orientation is with Ethernet LED's towards the top


Isolated 802.3at 1GbE active PoE is supported on the left port.

For 10GbE PoE, please contact Gateworks Sales.

NVME Drive

The GBlade needs to be opened up to install a 2280 M-Key NVME flash storage drive. 4 lanes of PCIe is supported.


A front panel LED is supported.

When power is applied, the LED will be a solid green.

The LED will present a green heartbeat pattern is shown once the board is booted into Linux.

To disable the heartbeat LED:

root@jammy-malibu:~# echo none > /sys/class/leds/green\:heartbeat/trigger #disable default green heartbeat
root@jammy-malibu:~# echo 255 > /sys/class/leds/red\:status/brightness #set LED to solid RED

To see more Linux LED examples, see here: linux/led

Thermal & Cooling Fan

The fan runs at specific set points. The trip points are set at 50C, 60C and 80C (as shown in the device tree here)

Note also the processor will throttle down if the fan isn't able to achieve proper cooling with the fan.

The GW8901 uses standard Linux cooling-maps, thermal-zones and the pwm-fan driver.

There are several temperature sensors on the board, identified as 'thermal_zones'. These are shown in Linux under /sys/class/thermal:

root@jammy-malibu:~# ls -la /sys/class/thermal/
total 0
drwxr-xr-x  2 root root 0 Jun 27 18:28 .
drwxr-xr-x 62 root root 0 Jun 27 18:28 ..
lrwxrwxrwx  1 root root 0 Jun 27 18:28 cooling_device0 -> ../../devices/virtual/thermal/cooling_device0
lrwxrwxrwx  1 root root 0 Jun 27 18:28 cooling_device1 -> ../../devices/virtual/thermal/cooling_device1
lrwxrwxrwx  1 root root 0 Jun 27 18:31 cooling_device2 -> ../../devices/virtual/thermal/cooling_device2
lrwxrwxrwx  1 root root 0 Jun 27 18:28 thermal_zone0 -> ../../devices/virtual/thermal/thermal_zone0
lrwxrwxrwx  1 root root 0 Jun 27 18:28 thermal_zone1 -> ../../devices/virtual/thermal/thermal_zone1
lrwxrwxrwx  1 root root 0 Jun 27 18:28 thermal_zone2 -> ../../devices/virtual/thermal/thermal_zone2
lrwxrwxrwx  1 root root 0 Jun 27 18:28 thermal_zone3 -> ../../devices/virtual/thermal/thermal_zone3
lrwxrwxrwx  1 root root 0 Jun 27 18:28 thermal_zone4 -> ../../devices/virtual/thermal/thermal_zone4
lrwxrwxrwx  1 root root 0 Jun 27 18:28 thermal_zone5 -> ../../devices/virtual/thermal/thermal_zone5

An example temperature for thermal_zone0 would be 60738, or 60738/1000=60.738 degrees Celsius:

root@jammy-malibu:~# cat /sys/class/thermal/thermal_zone0/temp 

The zones are labeled below. The AP stands for application processor, or the main CPU, with a sensor for each core of the quad core CPU. The CP0 stands for 'co-processor'.

root@jammy-malibu:~# cat /sys/class/thermal/thermal_zone*/type

1U Rack Front Plate

A standard 1U rack front plate is available to install QTY 10 GBlade servers in a rack mount scenario. The 1U plate part number is GW3090.

Gateworks System Controller

The Gateworks System Controller manages things like the real time clock, voltage rails, fan PWM, etc.

More information can be found here: gsc

Device Tree

The Linux device tree can often describe a lot about how the hardware is connected, etc.

Link to GW3089/GW8901 Device tree:

TPM / Crypto

On the board is a Microchip ATTPM20P-H6MA1-10

This is compliant to the Trusted Computing Group (TCG) Trusted Platform Module (TPM) Version 2.0, r116 Trusted Platform Module Library

Cryptographic Support for:

  • HMAC
  • AES-128
  • SHA-1
  • SHA-256
  • ECC BN_P256, ECCNIST_P256 -RSA 1024-2048 bit keys


Wireless was not intended for this ethernet connected blade server.

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