Tried an ATI RADEON 32mb DDR Then a TI4200 Now a RADEON 9200SE all I get is 1 long 2 short beeps and no picture. All thats in it is P4 2ghz and 256mb pc2100 ram....havent attatched floppy,kb,hd,cd yet Any ideas anyone? Is it my 300w PSU thats too weak to power the agp?