Firmware update
The firmware can be updated using a standard Micro SD card. The card must be formatted with a FAT file system. It is not possible to ‘brick’ or damage the unit during firmware update, if you experience an error – simply try again.
Download zip file below, and extract files to root of sd card.
Update procedure
- Power off system
- Insert SD card into Jammafier
- Press and hold both A and B button
- Power on system
- Follow instructions on screen
Firmware, works on all revisions
2023-09-10 – Fixed/Improvements in this release
- Major JVS update
- Internal cleanups and updates
2022-07-28 – Fixes/Improvements in this release
- Shipped with rev 2.0 boards
- Internal code cleanup
- Compatible with earlier revisions
2020-04-22– Fixes/Improvements in this release – shipped with Rev 1.7 boards
- Optimized start sequence
- Shows voltages when no IO is connected/detected, including 3.3V rail
- Internal cleanups and updates
2020-04-12– Fixes/Improvements in this release
- Screen saver
- Correctly identifies G-Balance IO board
- Correctly identifies Cyber Lead 2.02 IO board
- Fix bug affecting cabinets with Taito RF-ID card readers
- 2 new MVS remaps to mimic NeoGeo pads
- Ability to access MVS Universal Bios menu/test by holding button A or B on start
- Remap type ‘tate’ for playing vertical games in horizontal cabinet
- Shows firmware version and voltages, including 3.3V, if there is a JVS issue
2019-02-16– Fixes/Improvements in this release
- Correctly identify Konami Windy 2 IO board
- Fix debug to file
2018-12-02 – Fixes/Improvements in this release
- Increase duration of coin pulse and make it configurable via .ini file
2018-09-17 – Fixes/Improvements in this release
- Correctly identifies Namco Noir IO board
- Correctly identifies Egret 3 IO board
- Fix Vewlix IO typo
- Menu system with options and config save to micro-sd card
- Neo Geo remap
- Option to have buttons 4&5 on JST-XH only
- JVS Input test
- Display PCB version and serial number
2018-08-20t2 – Increase packet reception timeout
2018-08-20t1 – Add debug 3.3V reading, adjust startup timers
Last Updated on 2023-09-11 by admin