I think i found the mobo finally...
http://www.motherboard.cz/mb/amptron/pm599lmr.htm
The slot that 'looks like a long agp slot' seems to be a ISA slot?
If i think the onboard graphics chip is fked, loose connections is what i'm thinking atm as it very very occassionally works fine, what would you recommend? A cheap PCI card? What does the ISa slot do?