fbelavenuto/msxsdmapperv2

Problem button 2 (S2)

capsule5000 opened this issue · 12 comments

capsule5000 commented

I have assembled the PCB and it works fine, and the S1 button also works fine because it enables/disables the 512K. But the switch S2 apparently doesn't seem to work. When it is active, it does not load the driver that detects SD cards. Is that operation correct?

In the readme.md it says something like " A segunda chave permite selecionar entre duas opções de driver, útil para se ter um backup de uma versão estável do driver e utilizá-lo para restaurar um driver novo com falha na atualização. " but I don't understand how it works correctly. In version1 it activated or deactivated the megaram..... In version2 S2 does it work differently? All the best!

sdsnatcher commented

The switch S2 has a different function on SD-Mapper v2. Translating (with some improvements for better comprehension):

"The second switch allows the selection of two different firmwares. This is useful to have a stable version of the firmware, and use it to restore the other firmware in case there's a problem on the update".

It can also be used to have two different versions of the Nextor ROM. One beta and one stable.

The ROM update utility FBL-UPD.COM will ask you to set this switch to select which of the two firmwares you want to be updated.

capsule5000 commented

Thank you very much for the reply!!. I have another question regarding the answer. I've tried to test with the FBL-UPD.COM command, such as put in the example fbl-upd sdmapper.rom, and every time I get an error message that "ops...cannot find interface". I have tried selecting it manually with the command fbl-upd /s sdmapper.rom and it gives me the same error that it cannot find the interface. It is tried from the sdmapper slot1 itself and it does not work. With a floppy (running fbl-upd) and sdmapperv2 slot1 and it doesn't work either, with carnivore2 (running fbl-upd) slot1 and sdmapperv2 slot2 and it doesn't work either.
What is the procedure to run the fbl-upd.com command? Can it be done from the sdmapperv2 slot1 itself or does the sdmapper have to be in slot2 and run the command from a floppy or other device connected to slot1?

cristianoag commented
capsule5000 commented

I confirm that I have mounted 2 sdmapper512 v2 and both apparently work correctly. The nextor runs correctly, I have access to the 2 SD cards, and I press S1 to activate the 512k and if I activate S2 in one position it loads the SD card driver and in the other position it does not load it. Up to this point everything works fine and I can run apps and games.

I just wanted to experiment with the FBL-UPD command, because I like to see all the options that the project developer gives, but I find that there is no way for the command to detect the sdmapperv2 card.

I try it by putting sdmapper in slot1 and running FBL-UPD from floppy and it doesn't detect it.

I try to execute the FBL-UPD command from the sdmapper 512v2 itself connected to slot1 and it does not detect it either

and the last test is to run FBL-UPD from carnivore2/flashjacks/multicontroller in slot1 and sdmapper512v2 in slot2 and it doesn't detect the card either.

I don't know what the problem is and why it doesn't detect the sdmapper512v2 card and everything works correctly

cristianoag commented
capsule5000 commented

I use the FBL-UPD.COM command, and the ROM SDMAPPER.ROM only from the version2 repository, and neither automatically nor manually is it able to detect the sdmapper512v2 card.

Cristianoag how do you update the sdmapper512v2 rom? The instruction would be: FBL-UPD SDMAPPER.COM......is that correct?

Do you update it by executing the FBL-UPD command from the sdmapper512v2 card itself in slot 1? or do you run it from another device example floppy and the sdmapper512v2 card in slot1?

How do you update it?

cristianoag commented
cristianoag commented
fbelavenuto commented

Hi, what is the flash chip model used?

capsule5000 commented

The chip used for ROM that I have installed is the SST39VF020. In the project BOM specify SST39VF020N. The problem may be that my chip is not the model ending in N? When I record it with the TL866II plus programmer, it records everything correctly and as I said, the board works perfectly, it does not have any operating errors, only that the FBL-UPD command does not detect the card.
https://i.imgur.com/JvSvSKp.jpeg
https://i.imgur.com/G3CrZNK.jpeg

cristianoag commented
capsule5000 commented

Problem solved!! As Cristianoag commented, the SST29VF020 EEPROM can only be programmed using a tl866 II plus type programmer. Using the AM29F010B EEPROM, the same one used for the sdmapper512k_v1, it can be programmed using a TL866 II plus type programmer or using the MSX-DOS command FBL-UPD.COM