{"product_id":"general-electric-ds3800hmpj1a1d-mark-iv-microprocessor-board","title":"General Electric DS3800HMPJ1A1D Mark IV Microprocessor Board","description":"\u003cp\u003eThe \u003cstrong\u003eGeneral Electric DS3800HMPJ1A1D\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDS3800HMPJ\u003c\/strong\u003e Microprocessor Board, operates as a dedicated hardware component for localized processing and execution tasks within Mark IV Speedtronic Turbine Control System platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePart Segment\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eStructural \/ Functional Coding\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDS3800\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDomestic manufacture location; Mark IV Series Group 1 product class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHMPJ\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFunctional board acronym designation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDesign revision \/ assembly iteration level 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eA1D\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArtwork version and consecutive engineering revision state\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDS3800HMPJ1A1D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA (Domestic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard PCB weight (~0.45 kg \/ 1.0 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Mark IV full-height circuit board profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard backplane VME bus power requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMark IV Speedtronic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Functional Acronym\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHMPJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormal Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDedicated onboard microprocessor with 50+ integrated circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnboard socketed PROM \/ EPROM IC arrays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEdge backplane card-edge connector, onboard vertical pin connector, cable header\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExpansion Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-standoff mounting footprint for piggyback daughterboard installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUser Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Status LEDs (1 Red, 1 Yellow), jumper switch arrays, test points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Mounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual PCB retention clips for VME rack insertion, insulated factory-drilled mounting holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; Hardware Execution\u003c\/h3\u003e\n\u003cp\u003eConfigured to interface with the Mark IV Speedtronic Triple Modular Redundant (TMR) architecture, the board exchanges critical processing metrics via high-velocity backplane bus communication protocols. The onboard processor coordinates local memory cycles across socketed EPROM\/PROM arrays while maintaining firmware flash compatibility across systemic revision states. Integrated signal paths feature dedicated hardware test points to evaluate real-time logic states without disrupting deterministic bus execution.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is the daughterboard interface mechanically secured and electrically coupled to the DS3800HMPJ1A1D?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: Secondary daughterboards mount directly onto four surface standoffs and communicate via the primary board's vertical pin and cable connector assembly.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What installation feature prevents static damage or ground loops when mounting the board chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: All factory-drilled base mounting holes are ringed with specialized insulating material to isolate surface voltages and prevent ground potential transfer.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do jumper switches require configuration during field replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: Yes, onboard jumper switches set physical hardware operating modes and must be configured to match the hardware profile of the original board being replaced.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Discharge (ESD) Protection:\u003c\/strong\u003e Wear a grounded ESD wrist strap connected to cabinet earth ground prior to handling the unshielded circuit board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Insertion:\u003c\/strong\u003e Align the printed circuit board edges with the standard VME rack card guides inside the Mark IV enclosure. Slide the unit inward until the rear edge-connector interfaces securely with the backplane bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetention Lock:\u003c\/strong\u003e Engage the two right-hand retention clips onto the rack mounting frame to secure the module against vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaughterboard Mounting:\u003c\/strong\u003e Ensure all standoffs and pin connectors are fully seated and free from bent pins before applying power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJumper Verification:\u003c\/strong\u003e Verify that all jumper switches match the field specification drawing or the existing hardware configuration before powering the system backplane.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":43904452952154,"sku":"DS3800HMPJ1A1D","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/DS3800HMPJ1A1D1.png?v=1787649275","url":"https:\/\/www.spareoil.com\/products\/general-electric-ds3800hmpj1a1d-mark-iv-microprocessor-board","provider":"SpareOil Automation","version":"1.0","type":"link"}