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MiSTer Digital IO Board v1.2 with Fan


Fully assembled MiSTer FPGA Digital IO Board v1.2 provided with a standard low noise fan, or an optional Noctua fan.

(8 customer reviews)

The MiSTer FPGA Digital IO Board v1.2 provides the following features, a dedicated power switch to turn the unit on and off with over-voltage protection, a 3.5mm audio jack for ADC In (Tape Input) a separate ADC-In board is not required, 3.5mm Mini-TOSLINK & Digital TOSLINK Connectors, a secondary microSD card slot the functionality depends upon the core being used, a fan speed control jumper providing 3.3 volts or 5 volts, three status LEDs (red, yellow, green), three large push buttons providing system reset, on screen display menu and game reset, an expansion connector in the form of a USB 3.0 connector however this is not for standard USB devices.

The MiSTer I/O Digital Board v1.2 includes a jumper for 3.3v or IO selection on the User IO port. Selecting IO provides support for Sega Mega Drive / Genesis / Master System game pads using a SNAC adapter board.

Once assembled each MiSTer FPGA Digital IO board is inspected under a microscope to ensure no solder bridges are present, the completed version 1.2 Digital IO board is fully cleaned in an ultrasonic bath to remove any flux residue left over from assembly, once clean the IO board is fully tested on a live MiSTer setup. Each IO board uses high quality branded components including Samsung Electro-Mechanics and Microchip Technology.

SW3 on the DE10-Nano board must be set to the ON position for the Digital IO board to function.

✅ Suitable For Terasic DE10-Nano FPGA Board
✅ Includes Quiet Fan or Noctua NF-A4x10 Fan
✅ Built-In On / Off Power Switch
✅ Mini-TOSLINK & Digital TOSLINK Connector
✅ 3.5mm For ADC In (Tape Input)
✅ 3 User Buttons & 3 Status LEDs
✅ Secondary MicroSD Slot
✅ User IO Port Connector
✅ Headers For External Push Buttons & LEDs
✅ DC to DC Power Cable Included
✅ Fully Assembled & Tested

Fan Type:

Stock Fan, Noctua NF-A4x10

Solder Mask Color


  1. Lars (verified owner)

    Superb quality of the board and shipment to Germany was working great. I like the black finishing of the parts. The support from Nathan is also perfect. Many Thanks from my end.

  2. Pete (verified owner)

    Great service from Nat. Always replies quickly to all questions (even stupid ones). Nice attention to detail with trimmed fan cables so looks great too. My first Noctua fan. The hype is real. Can’t hear a thing.

  3. Felix Andrews (verified owner)

    A high quality that’s a perfect fit for the DE10-Nano – pins lined up perfectly with the headers, meaning even my 100% prime ham fists got this assembled with zero bother. Soldering all seems solidly done, too.

    Customer service from Nat was exemplary – always quick to offer up solid advice if you’re not quite sure what you’re doing. All in all, extremely happy with the product and the service.

  4. Geords

    Fantastic craftsmanship!

    Arrived in NZ very quickly and was beautifully packed.

  5. Mark Osborne (verified owner)

    As someone who is new to the MiSTer project, I was unsure where to start, even after doing a bit of reading online, I emailed Nathan who responded, told me what I needed, and I went ahead and ordered, the IO board works perfectly and I have since ordered memory, a heat sink and now the USB hub, it helps this store is in the UK as most sellers live in the US so I didn’t have to deal with high postage costs. Highly, highly recommended and my go too for anything I need for MiSTer

  6. Andrew

    Perfect. Well packaged, great product.

  7. Ross (verified owner)

    A really well made board once again, works perfectly with my setup. Thanks Nat!

  8. Sam Hartley (verified owner)

    Really well made, and carefully packed to avoid any bent pins.

    Support is fantastic, always a quick response with useful information.

    Super handy having a supplier in the UK too.

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