Printable Quick-Reference Cards

Dense, print-to-PDF one-pagers built from D-Central’s live mining datasets. Hit Print / Save as PDF on any card for a clean A4 sheet to pin to the bench. Free to share under CC BY 4.0.

• ASIC Error Codes ASIC Miner Error-Code Quick-Reference Card
  The most common Bitcoin ASIC miner error codes at a glance — code, meaning, severity, DIY difficulty and CAD repair-cost band — printed from the live 650-entry D-Central error-code corpus.
• PSU / Connector Pinout ASIC PSU & Connector Pinout Quick-Reference Card
  Pin-by-pin reference for the standard Bitcoin ASIC miner connectors — APW12/APW9 I2C signal terminal, PSU power outputs, the 18-pin hash-board signal cable, the chassis fan header and the control-board UART debug header.
• ASIC Chip Specs Bitcoin ASIC Chip Spec Quick-Reference Card
  Every Bitcoin mining ASIC chip on one page — chip, generation, process node, host models, chips per board, voltage domains, nominal core voltage, chip-ID and efficiency. Bible-verified.
• Stratum Errors Stratum Share-Rejection Error Decoder Card
  Decode why your miner is rejecting shares — every Stratum V1 numeric reject code (20-25) and Stratum V2 string error reason, with the message, the cause and how to fix it.
• 240V Mining Circuits 240V Mining Circuit & Outlet Quick-Reference Card
  The 240V North-American (NEMA) outlets a home Bitcoin miner can run on — voltage, amperage, the maximum CONTINUOUS wattage under the NEC/CEC 80% rule, common use and a mining note for each.