Multicontroller board from Russian Bear Service Crew (rbsc) construction help

Страница 3/4
1 | 2 | | 4

By javiermi

Expert (126)

Аватар пользователя javiermi

03-03-2021, 18:16

Hi
Just tried to get a quote to get the board made, but after uploading th gerber files it asks for the dimensions?
How can I find out?
Thanks

By javiermi

Expert (126)

Аватар пользователя javiermi

03-03-2021, 19:11

OK, I got good news:
After replacing the FPGA, I was able ro program succesfully the chip
So it seems the two ICs I bought were FAKE
Lately everything I buy from ebay is faulty or fake
Anyway at least I now know I'm not completely useless on soldering SMDs

Thanks

By javiermi

Expert (126)

Аватар пользователя javiermi

04-03-2021, 13:30

OK, now I have plugged the card into my MSX computer ( Omega), but don't know what to do!
I have tried the standardard MSX+ ROM and nothing shows on screen
If I use c-bios rom, I get a message saying has detected a cartridge on slot 1, but that's all!
I have intalled - yet -any sd cards as I'm waiting to use a compact lfash to micro sd adapter which I have not received yet
Any help will be appreciated
Thanks

By lintweaker

Champion (411)

Аватар пользователя lintweaker

04-03-2021, 13:58

javiermi wrote:

OK, now I have plugged the card into my MSX computer ( Omega), but don't know what to do!
I have tried the standardard MSX+ ROM and nothing shows on screen
If I use c-bios rom, I get a message saying has detected a cartridge on slot 1, but that's all!
I have intalled - yet -any sd cards as I'm waiting to use a compact lfash to micro sd adapter which I have not received yet
Any help will be appreciated
Thanks

Did you flash the onboard BIOS? You can check with a program like WBASS2 to show the contents of the ROM at 4000h in the slot the cartridge is in. The first two address 4000/4001h should show 41,42h.

By Alexey

Guardian (3163)

Аватар пользователя Alexey

04-03-2021, 14:37

You need to flash the Sunrise+Nextor BIOS from the repository into the EPROM, select the Nextor one and prepare the CF card in a similar way that is done for Carnivore2:

https://sysadminmosaic.ru/en/msx/carnivore2/carnivore2#how_t...

Also you need to correctly select the slot expansion and device priority for your Nextor to boot from CF card. See the readme file in the repository.

https://github.com/RBSC/MultiController/blob/master/Doc/read...

By javiermi

Expert (126)

Аватар пользователя javiermi

04-03-2021, 15:49

Thanks Alexei
I actually flashed the ROM from the github repository
After I posted my previous entry I tried again and now when I boot with MSX ROM, I get an error complaining about the runrise-ide card not ready, I think is because I don't have a floppy or compact card connected -yet
I think I'm in the right path now...
I will double check the ROM data, as per your post
I will keep you guys posted

By javiermi

Expert (126)

Аватар пользователя javiermi

04-03-2021, 16:03

By the way, is a pity nobody directed me to this article before as it is very similar to what I had to do with this card!

By javiermi

Expert (126)

Аватар пользователя javiermi

22-03-2021, 09:12

Just got an update:
One fo the colleagues from this Forum, checked my board on his computer, and he has been able to create a bootable MSX-DOS 32 32MB Partition with the BEERIDE tool - I was able to replicate the process, but for some reason cannot create more than 1 partition. I will continue testing and will update this forum
He was not able to start the NEXTOR ROM, so this rules out the issue as MY OMega
I have re-checked the soldering and everything is solid, even checked the connections with my ohm meter, and could not see anything wrong. I have reprogrammed the FPGA and the ROM with the 3 variants and at no point I can see NEXTOR screen.
This leads me to believe that , either:
- the ROM somehow has something incorrect, or (unlikely) that:
- FGA firmware may be incorrect, somehow

Or I'm missing something else!

I know the files on github were added 10 months ago, so they may have been updated in the interim
Does anybody have a working copy of the FPGA Firmware and NEXTOR ROM, so I can try?

Thanks

By Alexey

Guardian (3163)

Аватар пользователя Alexey

22-03-2021, 16:47

That is really strange that Nextor refuses to work at all on your system. So not even a cart detection message when you set the jumper to use Nextor BIOS? I would recommend to run Nyyrikki's program from this thread for both Sunrise and Nextor jumper settings:

https://www.msx.org/forum/msx-talk/hardware/why-my-cartridge...

I seriously doubt that the Altera's firmware is faulty as I own the same cartridge with the same BIOS and firmware and I don't have a problem with it. Still using it from time to time.

By javiermi

Expert (126)

Аватар пользователя javiermi

22-03-2021, 17:39

Thanks Alexey
I will try that
My only question is:
Does it matter what we card you have inserted?
Currently I have an msx-dos recognized card, and suspect it doesn't try hector because it automatically loads it
I tried to follow the process for carnivore, but simply cannot run "call fdisk". It gives a " illegal call" message

Thanks

Страница 3/4
1 | 2 | | 4