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Recent Posts
- Mindscape protection tool: source and project files shared on GitHub
- CBM Flux Studio: Manipulating Zaxxon again so it passes the copy protection check on weak bits
- CBM Flux Studio: Manipulating Zaxxon so it passes the copy protection check on weak bits
- Tool to replicate Mindscape weak bits protection
- Mindscape weak bits protection reverse engineered
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Tag Archives: STM32
STM32 decapping results
As announced in a previous post, one of the STM32 micro-controllers from a “Blue pill” batch that I bought recently was sent to Finland for decapping. Well, Tommi received it, decapped it and took the following picture: This is clearly … Continue reading
Yet another batch of blue pills with counterfeit MCU
Today I received another batch of 20 blue pill boards, and what do you know? The MCU is another fake. This time the fact the MCU is counterfeit can be easily spotted: The font used is too narrow, the first … Continue reading
STM32F10C8T6 module fixed after installing a genuine MCU
As I had received a handful STM32 MCUs, I managed to solder one on the “blue pill” board from which I had desoldered a fake/defective one. The new MCU seems to be working fine, having tested the DC2N5-LC firmware with … Continue reading
More shenanigans from the East
I had ordered a few STM32 MCUs to try and replace a few of the ones that are on the blue pill boards that are not working. Well, today I received such MCUs but I reckon they are in a … Continue reading
Quite a satisfying result for the day
I finally got the time to desolder the MCU from one of the STM32F103C8T6 boards I recently received. Here’s what the board looks like after the operation: The MCU will soon be on its way to Finland for de-capping, which … Continue reading
Posted in Retrocomputing, Technical
Tagged Commodore 64, DC2N, dumping, retrocomputing, STM32, tapes
1 Comment
STM32F103C8T6 Minimum System Development Board Module – More Shenanigans
For years I used to buy the so called “STM32F103C8T6 Minimum System Development Board Module” on eBay and had no issues with it. However, I recently made an order and I am frustrated to say that it seems Chinese manufacturers … Continue reading