NerdOctaxe Gamma Current Protection Error firmware fix
Preface:
In the firmware versions v.1.0.35 and below users of NerdOctaxe Gamma can face Current Protection Guru Meditation #51A00000 error which is related to TPS53647 setting that was set at 140A limit. In scenario when 1.15V is supplied to ASICs, the 140*1.15=161W limit can be easily reached in normal conditions. A firmware fix is required that changes the limit.
Solution:
Limit increased to 160A, currently the v.1.0.36-beta2 firmware has this fix included, a firmware update is necessary.
The beta firmware release v.1.0.36-beta2 containing this fix is released.
How to apply the firmware update:
There are 2 ways, using the miner web interface (access by IP) or using webflasher.
Using miner web interface (access by IP):
- Enter the IP of your miner in the browser (e.g. 192.168.1.1)
- Go to Settings section
- Scroll to Release & Update section
- Check Show pre-releases box
- Select release v.1.0.36-beta2
- Press Install from Github

Using webflasher (using USB-C cable)
- Connect NerdOctaxe Gamma using USB-C cable (usually named USB JTAG/...)
- Select device - NerdOCTAXE, version Gamma (8 x BM1370)
- Select firmware version - 1.0.35.160A
- Check Keep configuration box if you want to keep WiFi & pool settings;
- Start flashing

The issue with error should be resolved but if it persists, please contact support@powermining.io