private void detach_BIOS(BIOS entity)
		{
			this.SendPropertyChanging();
			entity.PC = null;
		}
		private void attach_BIOS(BIOS entity)
		{
			this.SendPropertyChanging();
			entity.PC = this;
		}
 partial void UpdateBIOS(BIOS instance);
 partial void DeleteBIOS(BIOS instance);
 partial void InsertBIOS(BIOS instance);