ive been using an amstrad 3286 pc.

i have tried to add a scsi card and now when the system starts to boot from either hdd or floppy i get an divide overflow error, the are no expantion cards inserted just mainboard, gotek, psu, keyboard and lcd.

the one thing i did find was the riser card wasnt inserted right, which is my mistake, as there are 4 power pins at the end which werent inserted into there power socket.