{"product_id":"fanuc-a20b-2100-0742","title":"FANUC A20B-2100-0742","description":"\u003ch3\u003eA20B-2100-0742 FANUC Control Board\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eA20B-2100-0742\u003c\/strong\u003e is a \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-pcbs\" target=\"_blank\" title=\"Buy \u0026amp; Repair Fanuc PCBs for Reliable Industrial Automation\" rel=\"noopener\"\u003eFANUC control board\u003c\/a\u003e used in compatible FANUC industrial control equipment. It is an electronic board component for system control, data processing, communication, and machine operation support depending on the original equipment configuration.\u003c\/p\u003e\n\u003cp\u003eThis model is supplied as a \u003cstrong\u003eFANUC control board \/ industrial PC board\u003c\/strong\u003e, not a complete CNC control system, complete robot controller, or complete drive unit. It is also listed as \u003cstrong\u003ediscontinued by manufacturer\u003c\/strong\u003e, so stock availability and compatibility should be confirmed before ordering.\u003c\/p\u003e\n\u003ch4\u003eWorldwide Shipping \u0026amp; REACO CNC Service\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorldwide Shipping:\u003c\/strong\u003e We can ship worldwide by DHL, UPS, FedEx, or other available logistics channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Handling:\u003c\/strong\u003e In-stock items can usually be shipped within 1-2 working days after payment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Tested Before Delivery:\u003c\/strong\u003e Each qualified control board is tested or checked before shipment. Product photos or a test video can be sent before delivery when required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREACO Warranty:\u003c\/strong\u003e New or refurbished products usually include a 1-year warranty, and used 90% new products usually include a 3-month warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Technical Support:\u003c\/strong\u003e Our team can help with basic model confirmation, board matching, and replacement guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Information\u003c\/h4\u003e\n\u003ctable cellpadding=\"8\" cellspacing=\"0\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-2100-0742\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlternative Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B21000742\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControl Board \/ PC Board \/ Industrial Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControl Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum RAM Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSocket Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSocket 478\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle Memory Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRDRAM \/ DDR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC Control Board \/ Industrial PC Board \/ Electronic Board Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC Industrial Control Equipment Repair, Control Board Replacement, System Maintenance, and Machine Repair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandling Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin 1-2 working days after payment, if in stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDHL \/ UPS \/ FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEstimated Delivery Time via DHL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia: 1-3 business days\u003cbr\u003eEurope: 2-4 business days\u003cbr\u003eNorth America: 2-4 business days\u003cbr\u003eSouth America: 3-6 business days\u003cbr\u003eMiddle East \u0026amp; Africa: 3-6 business days\u003cbr\u003eOceania: 2-5 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew \/ Refurbished: 1-Year warranty\u003cbr\u003eUsed 90% New: 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-2100-0742\u003cbr\u003eA20B21000742\u003cbr\u003eDiscontinued by Manufacturer\u003cbr\u003eControl Board\u003cbr\u003eMaximum RAM Capacity: 24 GB\u003cbr\u003eSocket Type 478\u003cbr\u003eEthernet Ports\u003cbr\u003eSingle Memory Channel\u003cbr\u003eRDRAM \/ DDR2 Memory Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTested or checked before delivery. Product photos or test video can be sent before shipment.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnti-static protective packing and carton packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eProduct Application\u003c\/h4\u003e\n\u003cp\u003eThe FANUC \u003cstrong\u003eA20B-2100-0742\u003c\/strong\u003e control board is mainly used for compatible FANUC industrial control equipment repair and maintenance. It may be required when the original control board is damaged, unstable, burnt, corroded, or causing system startup, communication, data processing, Ethernet connection, or machine operation-related faults.\u003c\/p\u003e\n\u003cp\u003eBecause this is a board-level control component, replacement should be carried out after confirming the original board number, system configuration, CPU\/socket requirement, memory type, connector layout, Ethernet port configuration, and fault details.\u003c\/p\u003e\n\u003ch4\u003eMemory and Configuration Note\u003c\/h4\u003e\n\u003cp\u003eThe provided product information includes \u003cstrong\u003emaximum RAM capacity 24 GB\u003c\/strong\u003e, \u003cstrong\u003eSocket Type 478\u003c\/strong\u003e, \u003cstrong\u003eEthernet ports\u003c\/strong\u003e, \u003cstrong\u003esingle memory channel\u003c\/strong\u003e, and \u003cstrong\u003eRDRAM \/ DDR2 memory type\u003c\/strong\u003e. Before ordering or replacing this board, please confirm the original hardware configuration and memory compatibility carefully.\u003c\/p\u003e\n\u003cp\u003eIncorrect board configuration, wrong memory type, incompatible socket configuration, or mismatched system setting may cause startup failure, system instability, communication problems, or control system errors.\u003c\/p\u003e\n\u003ch4\u003eQuality Control and Testing\u003c\/h4\u003e\n\u003cp\u003eFor FANUC control boards and industrial PC boards, careful checking is very important before shipment because board condition may directly affect system startup, data processing, network communication, machine operation, and repair success rate. REACO CNC checks qualified products carefully and can provide real product photos or a test video before delivery when required.\u003c\/p\u003e\n\u003cp\u003eOur goal is to help customers receive reliable FANUC CNC, robot, and industrial control spare parts with clear product information, careful inspection, responsive after-sales support, and practical technical assistance.\u003c\/p\u003e\n\u003ch4\u003eCompatibility Confirmation\u003c\/h4\u003e\n\u003cp\u003eBefore ordering, please confirm that the full board number on your original board is \u003cstrong\u003eA20B-2100-0742\u003c\/strong\u003e. Similar FANUC control boards may have different hardware versions, connector layouts, socket types, memory requirements, Ethernet configurations, system compatibility, or software requirements.\u003c\/p\u003e\n\u003cp\u003eIf you are not sure whether this FANUC control board is suitable for your machine, please send photos of the original board label, connector side photos, system model, machine model, memory configuration if available, and alarm or fault details. REACO CNC can help check the details before purchase.\u003c\/p\u003e\n\u003ch4\u003eFAQ\u003c\/h4\u003e\n\u003ch4\u003eQ: What is A20B-2100-0742?\u003c\/h4\u003e\n\u003cp\u003eA20B-2100-0742 is a FANUC control board used in compatible FANUC industrial control equipment.\u003c\/p\u003e\n\u003ch4\u003eQ: Is A20B-2100-0742 a complete CNC system?\u003c\/h4\u003e\n\u003cp\u003eNo. A20B-2100-0742 is a control board \/ electronic board component, not a complete CNC control system, robot controller, or complete drive unit.\u003c\/p\u003e\n\u003ch4\u003eQ: Is A20B-2100-0742 discontinued?\u003c\/h4\u003e\n\u003cp\u003eYes. This model is described as discontinued by manufacturer. Please confirm stock availability before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: What socket type does A20B-2100-0742 use?\u003c\/h4\u003e\n\u003cp\u003eThe provided product information describes this model with Socket Type 478.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum RAM capacity of A20B-2100-0742?\u003c\/h4\u003e\n\u003cp\u003eThe provided product information describes the maximum RAM capacity as 24 GB.\u003c\/p\u003e\n\u003ch4\u003eQ: What memory type is listed for A20B-2100-0742?\u003c\/h4\u003e\n\u003cp\u003eThe provided product information lists RDRAM \/ DDR2 memory type and single memory channel.\u003c\/p\u003e\n\u003ch4\u003eQ: Does A20B-2100-0742 include Ethernet ports?\u003c\/h4\u003e\n\u003cp\u003eYes. The provided product information includes Ethernet ports.\u003c\/p\u003e\n\u003ch4\u003eQ: Can REACO CNC test this FANUC control board before shipment?\u003c\/h4\u003e\n\u003cp\u003eYes. REACO CNC tests or checks qualified control boards before delivery. Product photos or a test video can be sent before shipment when required.\u003c\/p\u003e\n\u003ch4\u003eQ: Can you help confirm compatibility before purchase?\u003c\/h4\u003e\n\u003cp\u003eYes. Please send the original board photos, full board number, connector side photos, system model, machine model, memory configuration if available, and alarm or fault details. We will help check whether this model is suitable for your machine.\u003c\/p\u003e\n\u003ch4\u003eQ: Do you also provide FANUC control board repair service?\u003c\/h4\u003e\n\u003cp\u003eYes. \u003ca href=\"https:\/\/reacocnc.com\/\" target=\"_blank\" title=\"CNC Parts, Robot Parts \u0026amp; Repair Services - REACO CNC\" rel=\"noopener\"\u003eREACO CNC\u003c\/a\u003e provides FANUC control board sales and \u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" target=\"_blank\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" rel=\"noopener\"\u003erepair s\u003c\/a\u003e\u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" target=\"_blank\" title=\"Reliable Repair for FANUC PCB A20B-2100-0742 - REACO CNC\" rel=\"noopener\"\u003eu\u003c\/a\u003e\u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" target=\"_blank\" title=\"Reliable Repair for FANUC, Mitsubishi, and All CNC Parts - REACO CNC\" rel=\"noopener\"\u003epport\u003c\/a\u003e. If your original board is faulty, you can \u003ca href=\"https:\/\/reacocnc.com\/pages\/contact-us\" target=\"_blank\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\"\u003econtact us\u003c\/a\u003e for replacement or repair options.\u003c\/p\u003e","brand":"REACO CNC","offers":[{"title":"Used (90% New)","offer_id":48695670014167,"sku":"A20B-2100-0742-used","price":242.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-2100-0742_Fanuc_control_board.jpg?v=1780391665","url":"https:\/\/reacocnc.com\/es\/products\/fanuc-a20b-2100-0742","provider":"REACO CNC","version":"1.0","type":"link"}