First steps of MD/MCD Dev...

Awesome work from raylyd! He fix my broken cd drive and repair/replace many components. Let me know when i can do you an favor too.
:clap:

 

Just dumped the bios and the 4 prom on the Cross Product board.
You can find the dumps here : http://www.megadrive.org/~elbarto/mcd_dev/.

My bios is the 1.10 USA one (already dumped but with shadowed vector).
I suppose that the 4 prom are the main-cpu/sub-cpu program which are normally on the cd.
Maybe when you boot it with the cable and software the board act like a cdrom and load those program.

@raylyd : do you have an prom reader so we can compare version ?

EDIT: also dumped the GAL and PAL

 

a mate of mine dumped it for me i can post it if you want i did try it on kega will not work

 

Yes please.
Did he dump the prom on the cross product pcb ?

 

http://www.megaupload.com/?d=MGT21S05
my version is v1.00

 

Thanks, the v1.00 USA wasn't dumped

 

is it the bios of my unit?

 

yeh thanks to my mate of mine that helped me out