Your clock. Your choice.
Choose Normal mode or a 20, 30, 40, 50 or 60 MHz Turbo profile in the OSD. The footer shows the clock actually applied. The default Turbo profile is approximately 50 MHz.
MINIMIG V1.98 / SOFTWARE · SEPTEMBER 19, 2026
A familiar machine.
A sharper experience.
The S6 FPGA core and MM2609S5 ARM firmware bring a redesigned setup menu, selectable CPU clocks, native Amiga mouse support and improved timing to the six-SRAM Minimig.
Target: XC3S400-4-PQ208 FPGA and AT91SAM7S256 ARM controller.
The original mouse.
Connect an Amiga quadrature mouse to DB9 port 1. Motion or a left click selects it automatically; a PS/2 left click switches back to your PS/2 mouse.
More timing headroom.
S6 improves CPU read completion and the floppy FIFO path. The exact released core completed a reported 48-hour Armour-Geddon run at 60 MHz without glitches.
Install the matched release.
01 / Keep a copy of your current setup
Back up the SD card’s current MINIMIG1.BIN and settings before replacing files.
02 / Update the FPGA core
Extract the download and copy MINIMIG1.BIN to the SD-card root, replacing the previous core. Restart the board. The matching MINIMIG1.bit is supplied for Xilinx programming; SD-card boot uses the BIN file.
03 / Check the ARM firmware
If MM2609S5 is already installed, no ARM update is required. Otherwise, place FIRMWARE.UPG in the SD-card root and install it using the existing ARM upgrade menu. The included ARM_MM2609S5.bin is a raw SAM-BA flash image, not the menu-updater file.
04 / Confirm the pair and choose your speed
The OSD should show ARM MM2609S5 and FPGA PI FMG260917S650Mhz. Open Settings → Chipset, choose Turbo and a speed, then select Apply clock & reset. Use Save Settings to retain the choice.
“50Mhz” in the FPGA version identifies the build default. Read the CPU clock footer for the active speed.
A mouse that speaks Amiga.
DB9 port 1 accepts Amiga quadrature signals with left and right buttons. The decoder preserves the joystick direction logic and port 2 operation. A USB mouse needs an adapter that generates Amiga quadrature; a passive connector adapter alone is insufficient. The native six-signal interface has no middle-button input.
CPU profiles and exact frequencies
| OSD selection | Applied frequency |
|---|---|
| Normal | 7.0937904 MHz |
| Turbo 20 | 20.0990728 MHz |
| Turbo 30 | 30.1486092 MHz |
| Turbo 40 | 40.1981456 MHz |
| Turbo 50 · default | 49.6565328 MHz |
| Turbo 60 | 60.2972184 MHz |
Timing, testing and release identity
The September 19 release preserves the original, tested binaries. Its records report zero routed timing errors, seven passing route audits, FPGA regressions and 100,000-transfer stress runs at 40, 50 and 60 MHz. CPU slack improved from +0.511 to +2.576 ns, and the 28 MHz chipset path from +0.281 to +3.798 ns. The detailed report also records paths with reduced margins.
The ARM build is warning free; the FPGA retains 61 synthesis warnings, with none suppressed. The 48-hour result applies to the owner’s board and Armour-Geddon workload. It does not qualify every board, CPU, temperature or peripheral.
Read the complete release notes ↗ · Verify download checksums ↗
FPGA BIN SHA-256:14750733c8013bf55370ad2f76af5d0f8ee72e75ed1603f654c328452970b686
ARM upgrade SHA-256:cf9d0949eacf810d34c7d66c60acf164702361aaff30bb78916a81b7d1a1afd5