> I am upgrading my svi738 to msx2 using the instructions by NYYRIKKI.
>
> I replaced the VRAM and everything was OK.
> I had 2 256k eproms programed with the files on NYYRIKKI's site.
> The connection between pin 27 and pin 28 on IC 50 I could not find to
> cut it so I lifted pin 27 of the IC and connected this to pin 27 on IC
> 51. THe connection had to be made.
> I connected IC63 pin 14 to ground.
>
> All the soldering is fine!
>
> When the computer starts everything goes OK. The MSX logo scrolls up
> and then it resets! Under the logo "KL91:128k" is displayed.
> I think this should be "Video 128K"
>
> Can some one help? Why does the msx reset?
>
Does the svi738 does have a clockchip? AFAIK the ROM reads some contents
from
the clockchip. If this isn´t present the system crashes.
A long time ago I turned a Yamaha CX5M-II into an MSX2 by adding videoram an
patching
the MSX2 subrom to emulate some values the BIOS tried to read from the
clockram.
This means on my old computer you cannot change date, time, prompt, hello
and all the parameters
set by SET SCREEN.
ttly,
Herbert Kloseck
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