Technical Manuals
Comprehensive repair guides, setup instructions, and maintenance manuals for ASIC miners, Bitaxe, and open-source mining hardware. Written by D-Central technicians with 2,500+ repairs since 2016.
NerdQAxe++ Complete Setup Guide — 4x BM1370 Quad-Chip Solo Miner
What Is the NerdQAxe++? The NerdQAxe++ is a quad-chip open-source Bitcoin solo miner built around four BM1370 ASIC chips —…
Read GuideBitaxe GT Complete Setup Guide — Dual BM1370 Solo Mining Beast
What Is the Bitaxe GT (Gamma Turbo)? The Bitaxe GT (Gamma Turbo), model designation Bitaxe 801, is the most powerful…
Read GuideNerdAxe Complete Setup Guide — BM1366 Open-Source Solo Miner
What Is the NerdAxe? The NerdAxe is where open-source Bitcoin mining gets real. Built around the BM1366 ASIC chip —…
Read GuideNerdMiner Complete Setup Guide — ESP32-Based Bitcoin Lottery Miner
What Is the NerdMiner? The NerdMiner is your $50 entry ticket into the world of Bitcoin mining. Built on the…
Read GuideBitaxe Hex Complete Setup Guide — 6-Chip BM1366 Solo Mining Powerhouse
What Is the Bitaxe Hex? The Bitaxe Hex is the flagship multi-chip open-source Bitcoin solo miner — and it changes…
Read GuideNerdOctaxe Gamma Complete Setup Guide — 12 TH/s Eight-Chip Solo Mining Beast
What Is the NerdOctaxe Gamma? The NerdOctaxe Gamma is the most powerful open-source Bitcoin miner ever built for the desktop.…
Read GuideBitcoin Space Heater Assembly & Maintenance Guide
Complete guide to assembling, configuring, and maintaining D-Central Bitcoin Space Heaters. Covers the S9, S17, and BitChimney models — enclosure…
Read GuideAntminer S21 Maintenance & Repair Guide
Complete maintenance and repair guide for the Bitmain Antminer S21 (200 TH/s, BM1368). Covers routine cleaning, thermal paste replacement, fan…
Read GuideBitaxe Gamma Complete Setup Guide — BM1370 Solo Miner Configuration
Complete setup guide for the Bitaxe Gamma (BM1370) solo Bitcoin miner. Covers hardware assembly, WiFi configuration, Public Pool setup, overclocking…
Read GuideAntminer Error Code & LED Reference Guide
Complete diagnostic reference for Antminer error codes, LED patterns, and kernel log messages. Covers S9, S17, S19, and S21 series…
Read GuideBitaxe Supra Complete Setup Guide — From Unboxing to First Share
Complete beginner guide to setting up your Bitaxe Supra solo Bitcoin miner. Covers hardware assembly, WiFi configuration, mining pool setup…
Read GuideInnosilicon A4 Dominator — Maintenance & Repair Guide
The Innosilicon A4 Dominator is one of the most recognizable Scrypt-algorithm ASIC miners ever built. Released during a period when…
Read GuideInnosilicon T1 Maintenance & Repair Guide
Introduction: The DragonMint T1 — The Machine That Challenged Bitmain’s Monopoly In 2018, something remarkable happened in the Bitcoin mining…
Read GuideAvalonMiner 1246 Maintenance & Repair Guide
Introduction The Canaan AvalonMiner 1246 is a serious piece of Bitcoin mining hardware that represented a significant step forward for…
Read GuideAvalonMiner 1146 Maintenance & Repair Guide
Introduction The Canaan AvalonMiner 1146 belongs to the A11 series — the generation that finally brought Canaan into serious contention…
Read GuideAvalonMiner 1066 Maintenance & Repair Guide
Introduction The Canaan AvalonMiner 1066 is a SHA-256 Bitcoin miner from the company that literally invented ASIC mining. Canaan Creative…
Read GuideAntminer S19k Pro Maintenance & Repair Guide
Introduction The Bitmain Antminer S19k Pro is one of the most refined miners in the entire S19 generation — and…
Read GuideAntminer S19a Maintenance & Repair Guide
Introduction The Bitmain Antminer S19a is the budget-conscious workhorse of the S19 generation — a machine that quietly proved you…
Read GuideAntminer S19j Pro (noPIC) Maintenance & Repair Guide
Introduction The Bitmain Antminer S19j Pro noPIC is not just another mining variant — it is an entirely different animal…
Read GuideAntminer S19 XP Maintenance & Repair Guide
Introduction The Bitmain Antminer S19 XP was a milestone machine. When it shipped in late 2022, it was the first…
Read GuideAntminer L7 Maintenance & Repair Guide
Introduction The Bitmain Antminer L7 is the most powerful Scrypt mining machine ever produced. When it shipped in late 2021,…
Read GuideAntminer S19+ Maintenance & Repair Guide
Introduction The Bitmain Antminer S19+ is the overclocked variant of the S19 series — a machine that takes the already-proven…
Read GuideAntminer S19j Pro Maintenance & Repair Guide
Introduction The Bitmain Antminer S19j Pro is one of the most widely deployed Bitcoin miners in the world — and…
Read GuideAntminer S19 Pro Maintenance & Repair Guide
Introduction The Bitmain Antminer S19 Pro is the machine that defined an era of Bitcoin mining. When it launched in…
Read GuideAntminer S19 Maintenance & Repair Guide
Introduction The Bitmain Antminer S19 is the machine that restored confidence in Bitmain’s engineering after the troubled S17 generation. Released…
Read GuideAntminer T19 Maintenance & Repair Guide
Introduction The Bitmain Antminer T19 is the unsung workhorse of the 19-series generation — a machine that delivers BM1398 reliability…
Read GuideAntminer S17+ Maintenance & Repair Guide
Introduction: The S17+ — Bitmain’s Attempted Redemption The Bitmain Antminer S17+ landed in late 2019 as Bitmain’s answer to the…
Read GuideAntminer T17+ Maintenance & Repair Guide
Introduction: The T17+ — Bitmain’s Second Attempt at Getting the 17-Series Right The Bitmain Antminer T17+ arrived in late 2019…
Read GuideAntminer S17 Maintenance & Repair Guide
Introduction: The S17 — Bitmain’s Most Infamous Machine The Bitmain Antminer S17 arrived in mid-2019 as the flagship of the…
Read GuideAntminer T17 Maintenance & Repair Guide
Introduction: The T17 — A Miner That Demands Respect The Bitmain Antminer T17 occupies a peculiar place in Bitcoin mining…
Read Guide