this is the string wich you add your hdf on uaerc.conf after state replay buffer
hardfile2=rw,DH0:/home/mortal/Desktop/Workstation/EUAE/AmigaSYS/AmigaSYS/AmigaSYS4E-UAE.hdf,32,1,2,512,0,
hardfile=rw,32,1,2,512,/home/mortal/Desktop/Workstation/EUAE/AmigaSYS/AmigaSYS/AmigaSYS4E-UAE.hdf
this is on example again change the directory where is your hdf
hi all the best