Alex-2-Graf/Leningrad2-DivMMC
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README.en.md
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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. 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: This specific controller layout is tailored for seamless, plug-and-play connection to my custom motherboard revisions:
* **Leningrad-2-48k** * [**Leningrad-2-48k**](https://github.com/Alex-2-Graf/LENINGRAD-2-48k)
* **Leningrad-2-128k-SRAM** * [**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. 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. * **OS Compatibility:** Fully compatible with ESXDOS (version 0.8.9 and newer) for running `.TAP`, `.TRD`, `.SCL`, and `.Z80` files.
### Hardware Project Files ### Hardware Project Files
* [Interactive BOM (iBOM)](https://github.com/Alex-2-Graf/Leningrad2-DivMMC) * [Interactive BOM (iBOM)](Schematics/DivMMC\_L2.html)
* [Schematics](https://github.com/Alex-2-Graf/Leningrad2-DivMMC) * [Schematics](Schematics/DivMMC\_L2.pdf)
* [Gerber Files](https://github.com/Alex-2-Graf/Leningrad2-DivMMC) * [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. 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. * **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 ### SD Card Preparation
1. Format your SD card using the **FAT32** file system. 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.