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Hi Christian, The System-Profiler says all Dimms are OK. The log file doesn´t give me an estimation of dimensionality because MELOCIC stopps before starting PCA, but I will try your advice. Thank you very much for your help! Here are the last lines of the log file before crash: Normalising by voxel-wise variance ... done Initial data size : 623 x 279531 Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc1/mri/funk/swapped_funk_PHI_TOM_513 _1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc4/mri/funk/concat_PHI_TOM_513_1136_ Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc5/mri/funk/concat_PHI_TOM_513_1136_ Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc7/mri/funk/swapped_funk_PHI_TOM_513 _1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc8/mri/funk/concat_PHI_TOM_513_1136_ Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc9/mri/funk/swapped_funk_PHI_TOM_513 _1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc10/mri/funk/concat_PHI_TOM_513_1136 _Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc12/mri/funk/swapped_funk_PHI_TOM_51 3_1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc14/mri/funk/concat_PHI_TOM_513_1136 _Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc15/mri/funk/swapped_funk_PHI_TOM_51 3_1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc18/mri/funk/swapped_funk_PHI_TOM_51 3_1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc21/mri/funk/swapped_funk_PHI_TOM_51 3_1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc25/mri/funk/swapped_funk_PHI_TOM_51 3_1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc37/mri/funk/swapped_funk_PHI_TOM_51 3_1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc43/mri/funk/swapped_funk_PHI_TOM_51 3_1136_Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc44/mri/funk/concat_PHI_TOM_513_1136 _Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc48/mri/funk/concat_PHI_TOM_513_1136 _Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc49/mri/funk/concat_PHI_TOM_513_1136 _Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done Reading data file /Volumes/Daten_HD/MASC_in_pro_new_19/masc50/mri/funk/concat_PHI_TOM_513_1136 _Gruppen_ICA_TOM_PHI_19VP_home++.ica/reg_standard/filtered_func_data ... done Removing mean image ... done melodic(28910) malloc: *** mmap(size=-16811896832) failed (error code=12) *** error: can't allocate region *** set a breakpoint in malloc_error_break to debug terminate called after throwing an instance of 'std::bad_alloc' what(): St9bad_alloc Am 11.08.08 11:16 schrieb "Christian F. Beckmann" unter <[log in to unmask]>: > Hi > > If everything works OK (e.g. your RAM is installed OK) then you should > be fine unless the initial estimation of the dimensionality is very > high - what does it say in the log file? Try setting the > dimensionality to e.g. 60 and see what that produces. > cheers > Christian