Name: Minimig v1.98itx 6MB (Purple ENIG), CPU MC68SEC000
SKU: 53002
Availability: InStock

Minimig v1.98itx 6MB Purple ENIG

The Minimig v1.98itx is a major Mini-ITX Minimig hardware revision with a 6-layer ENIG PCB, improved routing, stronger power handling, 6 MB RAM, and expanded accelerator compatibility work.

Minimig is an FPGA-based Amiga-compatible system. This v1.98itx board keeps the classic Minimig idea while improving the physical hardware around power, signal integrity, CPU support, and expansion testing.

Bundle note: this product includes the Minimig v1.98itx board, 16 GB SD card with Minimig FPGA core, MC68SEC000 CPU, and +12 V 4 A universal power supply.

6-Layer ENIG PCBPurple ENIG board with improved routing and a power/ground focused stackup.

MC68SEC000 CPUSupports MC68SEC000/MC68HC000 operation up to 30 MHz depending on configuration.

6 MB RAMExpanded memory for a more capable Minimig setup.

OCS/ECS CoreUpdated Minimig FPGA core with the MIA BootROM replacement approach.

+5 V RegulationOnboard DC/DC regulation and support for +5 V to +12 V input.

Fuse and SBRT ProtectionResettable fuse, SBRT Schottky diode, and solid capacitors improve power reliability.

Rail Status LEDsIndicators for +2.5 V, +1.25 V, +3.3 V, and +5 V make checks easier.

Accelerator FriendlyDesigned with PiStorm, TF030, and other 68K accelerator testing in mind.

Hardware Highlights

6-layer purple ENIG PCB: improved board construction with a stackup focused on better signal integrity and power distribution.
Super coupling design: SIG/PWR-GND stack approach used across the board for cleaner power and return paths.
Improved routing: significant PCB routing cleanup compared with older revisions.
SN74CBTD level shifting: fast level shifting for compatible signal handling.
Onboard +5 V voltage regulation: DC/DC regulation supports input from +5 V to +12 V.
Power protection: resettable fuse, SBRT Schottky diode, and solid capacitors.
Rail LEDs: visual status indicators for +2.5 V, +1.25 V, +3.3 V, and +5 V.
Mini-ITX form factor: includes ITX power connector plus LED and button headers.
6 MB RAM: expanded memory for the Minimig environment.

CPU and Accelerator Support

Supports MC68SEC000 and MC68HC000 CPU configurations up to 30 MHz depending on setup.
Tested with TF030 at 50 MHz.
Tested with 68EC020-TK.
Supports PiStorm use, including kick.rom caching made possible by removing the old BootROM path.
Includes improved FastSPI support.
Accelerator compatibility can vary, so not every third-party accelerator board is guaranteed.

Core and MIA Notes

This release includes the updated Amiga OCS/ECS FPGA core. The MIA chip logic is responsible for replacing the old BootROM approach, which helps with accelerator compatibility and PiStorm use.

Removing the BootROM dependency was an important hardware/software change because many accelerator setups need cleaner boot and memory behavior.