{"product_id":"bitmain-antminer-amlogic-a113d-c76-c81-control-board-4-pin-square-fan-version","title":"Bitmain Antminer Amlogic A113D C76\/C81 Control Board – 4-Pin Square Fan Version","description":"\u003cp data-start=\"329\" data-end=\"402\"\u003e\u003cstrong data-start=\"329\" data-end=\"402\"\u003eBitmain S21 \/ T21 Control Board (Ctrl_C76 \/ Ctrl_C81 – Amlogic A113D)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"404\" data-end=\"724\"\u003eThe Bitmain S21 \/ T21 control board (versions \u003cstrong data-start=\"450\" data-end=\"462\"\u003eCtrl_C76\u003c\/strong\u003e and \u003cstrong data-start=\"467\" data-end=\"479\"\u003eCtrl_C81\u003c\/strong\u003e) uses the Amlogic A113D chipset and is designed as a replacement for faulty or non-responsive control boards in Antminer S21-series and T21-series miners. It restores proper communication, stability, and operation when the original board fails.\u003c\/p\u003e\n\u003cp data-start=\"726\" data-end=\"861\"\u003eThis control board supports the full S19jxp, S21 and T21 lineup and can be configured by flashing the correct firmware for your specific model.\u003c\/p\u003e\n\u003cp data-start=\"863\" data-end=\"1122\"\u003e\u003cstrong data-start=\"863\" data-end=\"883\"\u003eProduct Features\u003c\/strong\u003e\u003cbr data-start=\"883\" data-end=\"886\"\u003e• Replacement control board for Antminer S21 and T21 miners\u003cbr data-start=\"945\" data-end=\"948\"\u003e• Amlogic A113D main control chip\u003cbr data-start=\"981\" data-end=\"984\"\u003e• Supports model-specific firmware flashing\u003cbr data-start=\"1027\" data-end=\"1030\"\u003e• Each board is tested before dispatch\u003cbr data-start=\"1068\" data-end=\"1071\"\u003e• Designed for stable and reliable mining operation\u003c\/p\u003e\n\u003cp data-start=\"1124\" data-end=\"1250\"\u003e\u003cstrong data-start=\"1124\" data-end=\"1141\"\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1124\" data-end=\"1250\"\u003e• Antminer S19jxp\u003cbr data-start=\"1141\" data-end=\"1144\"\u003e• Antminer S21\u003cbr data-start=\"1158\" data-end=\"1161\"\u003e• Antminer T21\u003cbr data-start=\"1175\" data-end=\"1178\"\u003e• Other related S21-series variants that use Ctrl_C76 or Ctrl_C81 boards\u003c\/p\u003e\n\u003cp data-start=\"1252\" data-end=\"1438\"\u003e⚠️ \u003cstrong data-start=\"1255\" data-end=\"1268\"\u003eImportant\u003c\/strong\u003e\u003cbr data-start=\"1268\" data-end=\"1271\"\u003eMake sure your miner uses the \u003cstrong data-start=\"1301\" data-end=\"1315\"\u003eC76 or C81\u003c\/strong\u003e control board version before purchasing. Firmware must be flashed according to the exact miner model for proper operation.\u003c\/p\u003e\n\u003cp data-start=\"1440\" data-end=\"1573\" style=\"text-align: center;\"\u003e\u003cstrong data-start=\"1440\" data-end=\"1451\"\u003eSupport\u003c\/strong\u003e\u003cbr data-start=\"1451\" data-end=\"1454\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eIf you are unsure about compatibility or need assistance, please contact our sales team on WhatsApp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47048466202676,"sku":null,"price":4699.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/0452\/5364\/files\/AmlogicC76C81A113D.jpg?v=1756107315","url":"https:\/\/asicminerparts.in\/products\/bitmain-antminer-amlogic-a113d-c76-c81-control-board-4-pin-square-fan-version","provider":"Asic Miner Parts India","version":"1.0","type":"link"}