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MiSTer Multisystem2 setup, user
manual and operational guide
80-23403-1
Current Issue :- 1
(30/04/2025)
Previous Issue :-
none
Author :- Nick Schollar & Richard Horne
© Heber Ltd. 2025
Document 80-23403 Issue 1
HEBER

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  • Page 1 MiSTer Multisystem2 setup, user manual and operational guide 80-23403-1 Current Issue :- 1 (30/04/2025) Previous Issue :- none Author :- Nick Schollar & Richard Horne © Heber Ltd. 2025 Document 80-23403 Issue 1 HEBER...
  • Page 2: Table Of Contents

    ENERAL PURPOSE POWER CONNECTORS P16 V ................21 OLTAGE EADER .................. 22 XPANSION CONNECTOR 4.10 ................. 23 INOUT OF THE CARTRIDGE SLOT TERMINOLOGY AND ACKNOWLEDGEMENTS ............ 24 – ..............24 CKNOWLEDGEMENTS AND REFERENCES ................. 25 EEDBACK AND CONTACT Document 80-23403 Issue 1 HEBER...
  • Page 3: Introduction

    1 INTRODUCTION Thank you for your interest in the MiSTer Multisystem2, we hope you find this manual useful for both use and future expansion of your Multisystem2. The MiSTer Multisystem is brought to you by Heber ltd and the Retro Collective. If you have any technical questions or need any advice on using the system, please do not hesitate to contact multisystem@heber.co.uk...
  • Page 4: Unboxing & Setup

    A suitable 5V power supply. We recommend a Meanwell 5V 4A PSU (GST25A05-P1J) suitable for operation anywhere in the world. Available here - https://shop.heber.co.uk/mean-well-power- supply-gst25a05-p1j-20w-5v-4a/ If you select a different 5V adaptor, please do check size and polarity of the power connection jack along with a current rating of 3A or more.
  • Page 5: Sd Card Preparation

    If starting with a fresh SD card, the instructions to setup MiSTer using Mr Fusion are below. 1. Visit https://github.com/MiSTer-devel/mr-fusion/releases and download the latest release of Mr Fusion – in the Assets section, click on the .img.zip file to download it. 80-23403 Issue 1 HEBER...
  • Page 6 (HDMI to Analogue video output – External VIDEO DAC). A suitable USB joypad, joystick or your favourite USB controller input device, a Super Nintendo (SNES) joypad is a good match for initial setup and works well in most games and systems. 80-23403 Issue 1 HEBER...
  • Page 7 Many other optional devices, accessories and expansion cartridges can be added at a later date, see the Heber shop and other MiSTer suppliers for further information. After unpacking the Multisystem2, the following procedure for software setup is advised. Please see later in this manual for a detailed step-by-step guide.
  • Page 8 Mr Fusion software image. See Section 4.2 below for more details - https://github.com/MiSTer-devel/mr-fusion/releases Finally, power on the Multisystem2 by switching the front panel power switch to the right, after a short while you should see a video output on HDMI and the power light should activate red. 80-23403 Issue 1 HEBER...
  • Page 9: Software Setup

    If using an SD card from an existing system, the MiSTer menu should appear. If using a fresh SD card from the instructions in section 2.2Error! Reference source not found. above, the screen below should appear: 80-23403 Issue 1 HEBER...
  • Page 10 (.rbf files) from https://github.com/MiSTer-devel and copy them into the Computer, Console or Arcade folders on your SD card using a computer. Game ROM files can be copied or setup as required, for instructions on this, see here: https://mister-devel.github.io/MkDocs_MiSTer/setup/games/ 80-23403 Issue 1 HEBER...
  • Page 11: Connectivity And Switch Settings

    The Multisystem 2 uses the same 5 V 4 A centre positive power supply used on the Multisystem. The system includes full overvoltage protection. 3.2 HDMI Digital video output. 3.3 Optical SPDIF optical audio output. 3.4 3.5mm jack Analogue line-level audio output. 80-23403 Issue 1 HEBER...
  • Page 12: Mini Din 9

    USB drive, CTRLDock Slice or for connecting a USB NFC card reader. 3.9 Full size SD card Contains the MiSTer operating system along with cores and games for most users. 80-23403 Issue 1 HEBER...
  • Page 13: Cartridge Slot

    The voltage switch on the original Multisystem has not been included on the Multisystem 2. The SNAC signals are always 3.3 V level, and all Heber cartridges have on-board level shifting where required, so there is no need to select the voltage and the correct signal levels will be used for each controller type.
  • Page 14: Additional Input Devices

    If you wish to mount an NFC reader inside Multisystem2, then look out form one that is around 39 to 42mm wide, ideally 40mm. This seems to be a standard for these readers, so most should fit into the Multisystem2 enclosures – see below for mounting images. 80-23403 Issue 1 HEBER...
  • Page 15: Ctrldock

    3.13.3 CTRLDock Heber’s CTRLDock range is also supported on MiSTer out of the box and enables you to use your original controllers on MiSTer, even on systems other than the one the controller was originally designed for. Controller connected via a CTRLDock work the same as USB controllers, including remapping and ability to navigate the MiSTer menu/OSD.
  • Page 16: Snac Cartridge

    Core for that system, and you cannot navigate the OSD. All Heber SNAC cartridges are supported on Multisystem 2, and are designed to work with official cores, unlike some third-party SNAC systems which require special forked cores. The procedure to enable SNAC can differ slightly in some cores, but generally SNAC is enabled by opening the OSD, entering the Input section and setting the controller input type to SNAC.
  • Page 17: Sync On Green Switches

    DE10 Slide Switches – SW9 (default: all off) 3.15 Sync on green switches Most users don’t need sync on green, and SW5 can be left in the ‘AUTO SOG’ position and P14 in the G CAP BYPASS position. 80-23403 Issue 1 HEBER...
  • Page 18 ‘AUTO SOG’ position then the sync on green will only be enabled if the vga_sog=1 line is added to mister.ini. A DC blocking capacitor will be added to the green video line if P14 jumper is in the position in the image above. 80-23403 Issue 1 HEBER...
  • Page 19: Voltage And Overload Protection

    (see below), an MT32-Pi in the cartridge slot, and a high power consumption core such as ao486 (uses about 1.2 A). Heber SNAC cartridges have their own built-in protection to protect against abnormal loads on the controller ports. Therefore, the main power supply limit is only of real concern when connecting custom devices to the expansion headers.
  • Page 20: Advanced Connectivity

    3.3 V levels and has on-board pullups. This interface can be used to reprogram the oscillator. This interface is only connected to this header and not connected to the FPGA. It is unlikely that this device will ever need to be 80-23403 Issue 1 HEBER...
  • Page 21: P15 Ltc

    I2C data, and is intended for the official RTC board. LTC 2x7 Connector (RTC only) +3V3 Header_02x07_Box HPS_I2C1_SDAT HPS_I2C1_SCLK The official Real Time clock (RTC) can be fitted to P15 along with other devices also fitted to the I2C connector P17, see below. 80-23403 Issue 1 HEBER...
  • Page 22: P17 I2C

    I2C address. 4.5 HPS UART and SPI A selection of I/O pins connected to the HPS section of the FPGA. These pins enable developers to connect external hardware to MiSTer. 80-23403 Issue 1 HEBER...
  • Page 23: P5, P7, P8, P11

    A fan is not required for Multisystem2, so these headers are provided for general purpose use of power connection. 4.8 P16 Voltage Test Header Measurement points for the Multisystem 2’s power rails. Pins are labelled on the PCB. 80-23403 Issue 1 HEBER...
  • Page 24: Expansion Connector

    This connector also includes the ADC_INx signals from the cartridge slot which are not connected to anything else on the board. These signals on the cartridge slot originally connected to an ADC on the DE10 which was only used for audio input on selected cores but is excluded from Multisystem 2. 80-23403 Issue 1 HEBER...
  • Page 25: Pinout Of The Cartridge Slot

    ARD_IO4 NANO_LEFT ARD_IO5 NANO_RIGHT ARD_IO6 ARD_IO7 CART_RX GREEN CART_TX BLUE CART_RTS NANO_HSYNC CART_CTS NANO_VSYNC CART_DTR CART_DSR CART_IO6 +3V3 +3V3 ADC_IN0 ADC_IN1 ADC_IN2 5650090-7 KiCad templates for the cartridge can be found on the Heber GitHub. https://github.com/Heber-co-uk/Multisystem 80-23403 Issue 1 HEBER...
  • Page 26: Terminology And Acknowledgements

    – ‘Serial Native Accessory Adaptor’ in the case of the Multisystem2, this is one of many available cartridge modules that are fitted into the cartridge expansion slot to allow either original controllers to be used, or a dedicated sound card or s-video/composite output signal, see the Heber shop for further details on expansion cartridges.
  • Page 27: Feedback And Contact

    5.2 Feedback and contact Thank you for reading this manual, if you find any errors or wish to give feedback, suggestions or improvements updates, please feel free contact team Heber multisystem@heber.co.uk 80-23403 Issue 1 HEBER...

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