My RAM formerly had 4 Modulus, two with 8 MByte and two with 16 MByte, all EDO. My 16 MByte Moduls were on the first banks. Now I changed the 8 MByte Moduls into 32 MB Moduls, and put the new 32 MB moduls on the first banks, and the 16 MB moduls on the last banks. By restarting W95, my system hangs up while booting regular, but boots up on secure mode. I can't modify this. Then I put my old 16 MB moduls back on the first place, and then windows boots up fine. Can anybody tell me, WHY this happens? I use a Pentium 166 and the RAM is EDO-RAM. Just want to know it.