Want to buy an external memory mapper for nms 8280 (not megaram cartridge)

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By Grauw

Ascended (10063)

Grauw의 아바타

25-07-2021, 15:54

andallaco wrote:

Good morning, after several attempts, I was able to load the software needed to run the RAMTEST program in my MSX. After the test the Memory Mapper results 4096kb, therefore working. I can't post the photos in this forum, otherwise I would have shown you the video images! Are there any covers for msx cartridge cards? thank you

Good to hear! If you want to share pictures, you can upload them to https://www.msx.pics/ and post the BBCode on the forum. Registering an account is optional.

By andallaco

Master (136)

andallaco의 아바타

25-07-2021, 18:58


By andallaco

Master (136)

andallaco의 아바타

25-07-2021, 19:42

Is it possible to found the cover for this cartridge??

By gdx

Enlighted (4695)

gdx의 아바타

27-07-2021, 02:19

Are you sure it's a mapper from 8bits4ever? Because he had assured that the contacts of his cartridges are golden.

By andallaco

Master (136)

andallaco의 아바타

27-07-2021, 08:09

I only read 8bit4ever 2016 at the bottom left. Yesterday, I had a problem loading Zanac2 from floppy, with the Mega Mapper Ram 4Mb inserted in the cartridge of my MSX2 NMS8280 it crashes .. ??!

By Pencioner

Scribe (1462)

Pencioner의 아바타

27-07-2021, 12:42

gdx wrote:

Are you sure it's a mapper from 8bits4ever? Because he had assured that the contacts of his cartridges are golden.

8bits4ever once sold the gerbers for this mapper for 0.50 EUR, so it might be produced by someone else using herbers. The soldering quality on posted photo is questionable btw so i doubt it is built by 8bits4ever, because f.e. soldering in slotexpanders i bought from them looks much nicer ...

By Alexey

Guardian (3204)

Alexey의 아바타

27-07-2021, 13:06

andallaco wrote:

I only read 8bit4ever 2016 at the bottom left. Yesterday, I had a problem loading Zanac2 from floppy, with the Mega Mapper Ram 4Mb inserted in the cartridge of my MSX2 NMS8280 it crashes .. ??!

Zanac-ex, as well some other disk games need more upper RAM. You need to boot the computer with CTRL key pressed, otherwise such games won't work.

By Alexey

Guardian (3204)

Alexey의 아바타

27-07-2021, 13:12

Pencioner wrote:
gdx wrote:

Are you sure it's a mapper from 8bits4ever? Because he had assured that the contacts of his cartridges are golden.

8bits4ever once sold the gerbers for this mapper for 0.50 EUR, so it might be produced by someone else using herbers. The soldering quality on posted photo is questionable btw so i doubt it is built by 8bits4ever, because f.e. soldering in slotexpanders i bought from them looks much nicer ...

I was recently soodering two internal 4mb RAM expanders for Yamaha YIS-503III. Those RAM chips were quite problematic to solder because their pins were probably coated with something that needs higher temperature to melt. My soldering was a bit better, but also not good-looking. This board has signs of overheating in some places.

By leonlas

Expert (76)

leonlas의 아바타

27-07-2021, 18:22

For andallaco :
Could you please provide a link to this test program - TESTRAM?

By andallaco

Master (136)

andallaco의 아바타

28-07-2021, 08:48

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