Alex-2-Graf/Leningrad2-DivMMC
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@ -15,8 +15,8 @@ The project is based on a proven circuit design by **AlexEkb** and is fully impl
While the classic Beta Disk Interface (BDI/TR-DOS) was the gold standard of the 1990s, DivMMC is the definitive standard today for everyday retro-computing.
This specific controller layout is tailored for seamless, plug-and-play connection to my custom motherboard revisions:
* **Leningrad-2-48k**
* **Leningrad-2-128k-SRAM**
* [**Leningrad-2-48k**](https://github.com/Alex-2-Graf/LENINGRAD-2-48k)
* [**Leningrad-2-128k-SRAM**](https://github.com/Alex-2-Graf/Leningrad-2-128k-SRAM)
On these motherboards, the expansion bus is already fully prepared. However, this DivMMC interface can also be connected to any other standard or third-party "Leningrad-2" board with minimal wiring adjustments.
@ -30,9 +30,9 @@ On these motherboards, the expansion bus is already fully prepared. However, thi
* **OS Compatibility:** Fully compatible with ESXDOS (version 0.8.9 and newer) for running `.TAP`, `.TRD`, `.SCL`, and `.Z80` files.
### Hardware Project Files
* [Interactive BOM (iBOM)](https://github.com/Alex-2-Graf/Leningrad2-DivMMC)
* [Schematics](https://github.com/Alex-2-Graf/Leningrad2-DivMMC)
* [Gerber Files](https://github.com/Alex-2-Graf/Leningrad2-DivMMC)
* [Interactive BOM (iBOM)](Schematics/DivMMC\_L2.html)
* [Schematics](Schematics/DivMMC\_L2.pdf)
* [Gerber Files](Gerber/DivMMC\_L2\_Gerber.zip)
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@ -48,9 +48,9 @@ The controller plugs into the standard expansion system bus. All essential contr
To run this controller, you must flash an EPROM chip with the ESXDOS system firmware.
* ⚠️ **Important:** This specific hardware layout uses a **modified firmware version**, which has been adapted to match AlexEkb's hardware architecture and the specific bus timings of the "Leningrad-2". The required ready-to-flash binary can be found inside the [/Firmware](https://github.com/Alex-2-Graf/Leningrad2-DivMMC) folder of this repository.
* ⚠️ **Important:** This specific hardware layout uses a **modified firmware version**, which has been adapted to match AlexEkb's hardware architecture and the specific bus timings of the "Leningrad-2". The required ready-to-flash binary can be found inside the [/Firmware](Firmware/ROM.bin) folder of this repository.
* **Official Website:** You can visit the official esxDOS project page at [esxdos.org](http://esxdos.org) to explore the system command list, features, and the required root directory structure for the SD card.
### SD Card Preparation
1. Format your SD card using the **FAT32** file system.
2. Unpack the system files archive (found in the firmware folder) directly into the root directory of the SD card.
2. Unpack the system files [archive](Firmware/esxdos\_disk.zip) (found in the firmware folder) directly into the root directory of the SD card.