The MiSTer FPGA AV Pro v9.2 IO board is a modular hybrid design that provides the functionality of the Digital IO board. This modular design allows it to be used as a Digital IO only for a dual SDRAM setup or as an Analog IO with the AV module. When using the AV module, it offers users 24-bit analog video output and crystal-clear stereo audio via an onboard audio DAC. It also includes the following features: a 3.5mm Mini-TOSLINK digital audio connector, a secondary microSD card slot (functionality depends on the core being used), a high and low fan speed control jumper on the underside of the IO board (providing 3.3 volts or 5 volts), three status LEDs (red, yellow, green), and three large push buttons for system reset, on-screen display menu, and game reset. Additionally, it features a User Port connector in the form of a USB 3.0 socket for SNAC and the MT-32 Pi.

Once assembled, each MiSTer FPGA A/V Pro IO board is inspected under a microscope to ensure no solder bridges are present. The completed A/V Pro IO v9.2 board is then fully cleaned in an ultrasonic bath to remove any flux residue left from assembly. After cleaning, the IO board is thoroughly tested on a live MiSTer setup. Each IO board uses high-quality branded components, including Samsung Electro-Mechanics and ADV®

The new A/V Pro IO v9.2 is also compatible with existing Analog IO board based MiSTer cases.

Configuring the A/V Pro v9.2 requires all four of the slide switches on the FPGA development board to be set to the OFF position.

✅ Official MiSTer FPGA Project Addon Board
✅ 24 Bit ADV Video DAC
✅ Audio DAC For Crystal Clear Audio
✅ Mini TOSLINK Digital Audio
✅ ADC-In v1.3 (For Audio / Tape / Cassette Input)
✅ Simultaneous HDMI and Analog Audio/Video Output
✅ 3 User Buttons & 3 Status LEDs
✅ Secondary MicroSD Slot
✅ User IO Connector
✅ Headers For External Push Buttons & LEDs
✅ Fully Assembled & Tested

MiSTer A/V Pro v9.2 Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
❌ QMTECH Cyclone V

The MiSTer Laggy is a display latency tester designed for use with the MiSTer FPGA system. Comprising of a dedicated core running on the MiSTer FPGA and the hardware sensor connected to the MiSTer’s User Port via a USB type A to type C cable.

MiSTer Laggy measures the time between when a frame is sent to the display device and when that frame is displayed, operating on a similar principle to the ‘Time Sleuth’ lag testing device, it utilises the MiSTer platform to generate the video signal and record measurements.

Display latency is of significant importance in retro gaming as OLED and LCD displays incorporate sophisticated video processing pipelines, potentially leading to elevated latency. Display manufacturers often do not provide informative latency metrics, and the performance of a specific display may fluctuate based on applied settings, as well as the input signal’s resolution and refresh rate.

Martin Donlon is the developer of this project, the project GitHub contains all the information on setup and basic operation.

The MiSTer Laggy hardware only functions with the respective MiSTer Laggy core located inside the Utility folder from the MiSTer main menu.

The MiSTer Laggy requires a MiSTer Analog IO board v6.1 or Digital IO board v1.2 and newer to function correctly. Additionally, this addon lag tester does support other IO board types providing they have a User IO port.

✅ Requires Analog IO v6.1 / Digital IO v1.2
✅ Optional 1 Meter USB 3.2 Type A to Type C Cable
✅ Fully Assembled & Tested

MiSTer Laggy Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
✅ QMTECH Cyclone V

This is the official MiSTer project endorsed mt32-pi HAT for the Raspberry Pi offering a solution to directly connect the Raspberry Pi to the MiSTer, without the need for separate power, audio, or MIDI cabling. Overall a simple plug and play Munt and FluidSynth solution.

Many of the MiSTer computer cores support external MIDI hardware, such as the ao486 (PC), Minimig (Amiga), Atari ST and the Sharp X68000 cores. The MT32-pi addon HAT allows you to listen to the amazing MIDI music supported in many classic games.

You can be confident in knowing each MiSTer FPGA MT-32 Pi HAT v2.1 board has been tested before despatch on a Raspberry Pi 3 Model A+ connected to a live MiSTer setup.

Dale Whinham is the project developer, the project GitHub and mt32-pi wiki contains all the information needed on setting up a Raspberry Pi 3 or later as a Roland MT-32 emulator.

Additional specific MiSTer FPGA configuration and connection related information is located here on GitHub.

Please see the mt32-pi project FAQ page for answers to the most common questions about the mt32-pi.

At MiSTerFPGA.co.uk I aim to support the community, by purchasing from me you are supporting the project developers Dale Whinham (d0pefish) and Alexey Melnikov (Sorgelig) for every mt32-pi HAT sold, a donation is paid to them.

As Seen On: New Retro Adventures , Video Game Esoterica

✅ Suitable For Raspberry Pi 3 or Above
✅ Fully Assembled & Tested

MT32-Pi Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
✅ QMTECH Cyclone V

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 addon 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.

✅ MiSTer FPGA Project Official Addon 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

Digital IO Board v1.2 Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
❌ QMTECH Cyclone V

The audio input board uses a 3.5mm headphone jack for input, this MiSTer addon board is plugged into the 10 pin header labelled ‘J15 ADC CON’ located on the DE10-Nano mainboard below the Gigabit Ethernet socket.

Audio tape input is currently supported within the following cores : Acorn Atom, Acorn Electron, ADCTest, AliceMC10, Amstrad, Apple-II, Colour Genie (EG2000), Commodore 16, Commodore 64, Commodore VIC-20, CoCo2 / Dragon 32, Homelab KIT, Lynx 48 and 96, MSX1, Ondra SPO 186, Oric, Sord M5, SVI-328, TI-99/4A, Tesla PMD 85-1, ZX-Spectrum, ZX-Spectrum Next.

The ADC In addon board provides stereo input but can also be used for other analog signals with up to 250 KHz and up to 2.5 V. For more information on the MiSTer ADC In (Audio Tape Input) board and installation instructions see the MiSTer ADC page on GitHub.

✅ Fully Assembled ADC In Board v1.3
✅ MiSTer IO Board Compatible
✅ Mounting Nut & Bolt Included
✅ Spacer PCB Fitted

Audio Tape Input Board Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
❌ QMTECH Cyclone V

The MiSTer FPGA Analog IO board v6.1 includes the following useful features a VGA (DB15) connector allowing for the output of a VGA/RGB/YPbPr signal depending on the cable being used, a 3.5mm audio jack with Mini-TOSLINK providing analog audio output and digital audio output, a secondary microSD card slot the functionality depends upon the core being used, a fan speed control providing a 3.3 volt / 5 volt selector jumper, a status LED control jumper allowing switching on or off the built in LEDs, a Sync-on-Green switch, 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 Board v6.1 adds one additional GPIO pin to the User IO port, providing support for the Sega Mega Drive / Genesis / Master System game pads using a SNAC board.

Once assembled each MiSTer FPGA IO board is inspected under a microscope to ensure no solder bridges are present, the completed version 6.1 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 Bourns Inc.

Configuration of the video output signal on the IO board is controlled via the MiSTer.ini file, more information on how to configure and download of the MiSTer.ini file see the MiSTer.ini configuration page.

For more information on analog video output compatibility see the MiSTer wiki.

✅ Official Addon Board For The MiSTer FPGA Project
✅ Includes Quiet Fan or Premium Noctua NF-A4x10 Fan
✅ VGA Connector (VGA / YPbPr / RGB) Video Output
✅ 3.5mm Audio Jack with Mini-TOSLINK
✅ 3 User Buttons & 3 Status LEDs
✅ Secondary MicroSD Slot
✅ Expansion Connector User IO
✅ Switchable Sync-On-Green (SOG)
✅ Headers For External Push Buttons & LEDs
✅ Fully Assembled & Tested

Analog IO Board v6.1 Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
❌ QMTECH Cyclone V

The USB Hub v2.1 board provides 7 USB ports for the MiSTer FPGA, if you need to connect multiple USB devices this is a very useful add-on board, offering a neat minimalist connection solution via the provided Micro USB Bracket Connector which connects directly into the header installed on the USB hub board and then via the right angled gold plated micro USB connector into the DE10 Nano board. A power splitter cable is also included along with four brass hex stand-offs.

The updated official MiSTer USB Hub v2.1 add-on board has the new VBUS control circuit installed, this additional protection IC is used for USB power cycling to help some USB devices reinitialise upon reset. Also present is an additional USB power only socket, this is marked PWR1 on the board and provides a powered only USB socket.

Each USB hub add on board for the MiSTer FPGA are checked under a microscope to ensure no solder bridges are present, the complete USB hub board is fully cleaned in an ultrasonic bath to remove any flux residue left over from assembly. Each USB hub board uses high quality branded components including KEMET and Samsung.

✅ Includes USB Hub Micro USB Bracket Connector
✅ Includes Power Splitter Lead & Brass Stand-offs
✅ Fully Assembled & Tested

USB Hub v2.1 Compatibility:
✅ Terasic DE10-Nano
❌ Retro Remake MiSTer Pi
❌ QMTECH Cyclone V

This Extra Slim (XS) v2.2 board provides 32MB of SDR SDRAM memory for cores requiring a large (>512KB) of memory. Although the DE10-Nano has built in DDR3 RAM, it has a high latency and is not suitable for the timings required of retro EDO DRAM. So if a core requires precise memory timings, then the onboard DDR3 cannot be used.

All Extra Slim (XS) SDRAM boards have been checked under a microscope to ensure no solder bridges are present, then each MiSTer SDRAM board is cleaned in an ultrasonic bath to remove flux residue and finally each board is tested at 150 Mhz for at least 1 hour. Every SDRAM module uses the higher quality Alliance memory chips as opposed to the cheaper and less reliable Winbond chips, high quality Taiyo Yuden branded capacitors are used on each memory module.

You can be confident knowing each Extra Slim (XS) v2.2 MiSTer SDRAM board has been tested for over an hour at 150MHz using the official MiSTer Memtest core. I also test each with a number of computer and console cores in games to ensure no issues are present.

✅ Alliance Memory AS4C16M16SA-6TCN Chip
✅ Taiyo Yuden High Quality Capacitors
✅ Tested For 1 Hour @ 150 MHz
✅ MiSTer IO Board Compatible
✅ Fully Assembled & Tested

SDRAM 32MB MiSTer Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
✅ QMTECH Cyclone V

This Extra Slim (XS-DS) v3.0 official memory board provides 128MB of SDR SDRAM memory for cores requiring a large (>512KB) of memory including the Neo Geo core. Although the DE10-Nano has built in DDR3 RAM, it has a high latency and is not suitable for the timings required of retro EDO DRAM. So if a core requires precise memory timings, then the onboard DDR3 cannot be used.

All my Extra Slim (XS-DS) SDRAM memory boards have been checked under a microscope to ensure no solder bridges are present, then each 128MB SDRAM board is cleaned in an ultrasonic bath to remove flux residue. Every one of my memory modules uses the high quality Alliance memory chips paired with Taiyo Yuden branded capacitors on each board.

You can be confident knowing each 128MB SDRAM Extra Slim (XS-DS) v3.0 passes at 140MHz-150MHz with the official MiSTer MemTest Utility (126 MHz is the fastest any current core needs). Also each memory module is then soak tested with Jotego’s 48MHz and 96MHz SDRAM test cores. Finally live tests are performed with the Neo Geo core, Acorn Archimedes (Archie) core, Game Boy Advance core, Sega Mega CD core and in Neo Geo games including Metal Slug 3 and the Bad Apple Neo Geo demo which require a 128MB module to play, these extensive tests ensures no issues are present.

✅ 128MB SDRAM Memory Module
✅ Capcom Play System Compatible (CPS-1/1.5 & CPS-2.0)
✅ Enjoy All Neo Geo Games
✅ Alliance Memory AS4C32M16SB-7TCN Chips
✅ Taiyo Yuden Capacitors
✅ MiSTer IO Board Compatible
✅ Fully Assembled & Tested

SDRAM 128MB MiSTer Compatibility:
✅ Terasic DE10-Nano
✅ Retro Remake MiSTer Pi
✅ QMTECH Cyclone V