HELP PLZ SDMAPPER v2 512k belavenuto

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Van sdsnatcher73

Prophet (3551)

afbeelding van sdsnatcher73

22-06-2022, 15:55

On some further review, there is a SDMAPPER.ROM in the Driver folder. You can try installing this ROM to your cartridge.

Van gdx

Enlighted (5713)

afbeelding van gdx

22-06-2022, 16:42

Can you take a picture of the PCB please?

Van darlei3

Rookie (21)

afbeelding van darlei3

22-06-2022, 17:34

really must be that i wrote a file called sdmapper.rom just in the eprom . so I don't know how to do this make up. my windows is 64bit does not accept makes too

Van darlei3

Rookie (21)

afbeelding van darlei3

22-06-2022, 17:39

I recorded this file even 128k SDMAPPER.ROM

Van darlei3

Rookie (21)

afbeelding van darlei3

22-06-2022, 17:39

Van sdsnatcher73

Prophet (3551)

afbeelding van sdsnatcher73

22-06-2022, 17:44

Try the cartridge in a primary slot, not an expanded slot.

Van ducasp

Hero (580)

afbeelding van ducasp

22-06-2022, 22:36

Have you tried changing the switches? One enable/disable the mapper, if mapper is disabled and your computer doesn't have a built-in mapper of at least 128KB Nextor won't run, which might be causing your issues. The other switch seems to change the driver being loaded, so make sure it is in the same position it was when you updated it. And, like sdsnatcher noted, if you have the mapper enabled, sd-mapper will expand the slot and won't work on an already expanded slot, in those cases it must be connected to a primary slot.

Van gdx

Enlighted (5713)

afbeelding van gdx

23-06-2022, 11:29

There is one switch to select the RAM configuration (MegaRAM or RAM expansion) and a second to disable the RAM to allow the cartridge to be used in a secondary slot. So the cartridge should work in any case with 64kB RAM. Only FAT16 partitions and DOS2 mode does not work if there is less than 128kB.

In your case, I think your SD card is not supported or SD mapper is defective.

Thank you for the picture, so there is another version with 1024kB now.

Van darlei3

Rookie (21)

afbeelding van darlei3

25-06-2022, 04:11

I suspect that too. that he doesn't read the card. my doubt is what happens when he puts it without sd. would give this error? does anyone out there have a sdmapper to see?

Van darlei3

Rookie (21)

afbeelding van darlei3

25-06-2022, 04:12

i formatted my sd on win7 in fat. (fat would be fat 16?)

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