Eprom Cartridge Rev 1.5

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Por Jipe

Paragon (1559)

Imagen del Jipe

02-11-2021, 17:30

for the 32k cartidge try inverted the bank0 and the bank1 of 16K before burn

for testram it's a 16k cartrige try copy the program in bank0 and bank1 of your 27C256

Por repetto74

Rookie (17)

Imagen del repetto74

02-11-2021, 20:34

Jipe wrote:

for the 32k cartidge try inverted the bank0 and the bank1 of 16K before burn

for testram it's a 16k cartrige try copy the program in bank0 and bank1 of your 27C256

The testram program of 16k has been concatenated 2x to make it a 32k binary but does not work. I think now it is more an issue with the MSX hardware or could be the edge connector not doing contact.

Por Mork

Rookie (26)

Imagen del Mork

01-09-2022, 15:21

Hi repetto74,
I faced the same black screen problem like you with the cartridge pcb from 8 bit manshed with my Sakhr AX-370, which also has a Toshiba chipset.
But I was able to work out the problem: You must not set a jumper for CS1, CS2 or CS12 at all - otherwise you will get a black screen even if you slide in the blank pcb without an eprom.
Also beware, that some labeling on this pcb is wrong which can get quite confusing when trying to trace back how this card and the jumpers work.

Por roadfighter

Champion (441)

Imagen del roadfighter

03-09-2022, 08:59

Hi, Still selling my eprom pcb's (3 euro a piece) and they work fine.
Maybe you could post the rom you are trying to get working and
I could give it a go and figure out the jumper settings.
cheers,
Emil

Por Mork

Rookie (26)

Imagen del Mork

03-09-2022, 14:30

Hi Emil,
do you have an AX-370 or a Toshiba HX-10?
Many regards,
Mork

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