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<blockquote data-quote="tinsley" data-source="post: 1062045" data-attributes="member: 160511">I am trying to run an app called 'chdman' which can make a CHD file from a HD.&nbsp; First, here is the output of the app:./chdmanchdman - MAME Compressed Hunks of Data (CHD) manager 0.95u6 (Apr 29 2005)usage: chdman -info input.chd&nbsp;&nbsp; or: chdman -createhd inputhd.raw output.chd [inputoffs [cylinders heads sectors [sectorsize [hunksize]]]]&nbsp;&nbsp; or: chdman -createblankhd output.chd cylinders heads sectors [sectorsize [hunksize]]&nbsp;&nbsp; or: chdman -createcd input.toc output.chd&nbsp;&nbsp; or: chdman -copydata input.chd output.chd&nbsp;&nbsp; or: chdman -extract input.chd output.raw&nbsp;&nbsp; or: chdman -extractcd input.chd output.toc output.bin&nbsp;&nbsp; or: chdman -verify input.chd&nbsp;&nbsp; or: chdman -verifyfix input.chd&nbsp;&nbsp; or: chdman -update input.chd output.chd&nbsp;&nbsp; or: chdman -chomp inout.chd output.chd maxhunk&nbsp;&nbsp; or: chdman -merge parent.chd diff.chd output.chd&nbsp;&nbsp; or: chdman -diff parent.chd compare.chd diff.chd&nbsp;&nbsp; or: chdman -setchs inout.chd cylinders heads sectorsHere is my output from diskutil list:/dev/disk0&nbsp;&nbsp; #:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; TYPE NAME&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; SIZE&nbsp; &nbsp; &nbsp;&nbsp; IDENTIFIER&nbsp;&nbsp; 0:&nbsp; &nbsp;&nbsp; FDisk_partition_scheme&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *250.1 GB&nbsp;&nbsp; disk0&nbsp;&nbsp; 1:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; DOS_FAT_32 UNTITLED 1&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 250.1 GB&nbsp;&nbsp; disk0s1/dev/disk1&nbsp;&nbsp; #:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; TYPE NAME&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; SIZE&nbsp; &nbsp; &nbsp;&nbsp; IDENTIFIER&nbsp;&nbsp; 0:&nbsp; &nbsp; &nbsp; GUID_partition_scheme&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *750.2 GB&nbsp;&nbsp; disk1&nbsp;&nbsp; 1:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; EFI&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 209.7 MB&nbsp;&nbsp; disk1s1&nbsp;&nbsp; 2:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Apple_HFS Mac OS&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 749.8 GB&nbsp;&nbsp; disk1s2/dev/disk2&nbsp;&nbsp; #:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; TYPE NAME&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; SIZE&nbsp; &nbsp; &nbsp;&nbsp; IDENTIFIER&nbsp;&nbsp; 0:&nbsp; &nbsp;&nbsp; FDisk_partition_scheme&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; *500.1 GB&nbsp;&nbsp; disk2&nbsp;&nbsp; 1:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Apple_HFS External HD&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 500.1 GB&nbsp;&nbsp; disk2s1Now, say I want to create a CHD of disk0 from diskutil, I would think I would run:./chdman -createhd /dev/disk0 gt.chdbut I get this output:chdman - MAME Compressed Hunks of Data (CHD) manager 0.95u6 (Apr 29 2005)Invalid file '/dev/disk0'And, to extract an already created CHD file, I would think I would run:./chdman -extract gt2005.chd /dev/disk0but I get this output:chdman - MAME Compressed Hunks of Data (CHD) manager 0.95u6 (Apr 29 2005)Input file:&nbsp;&nbsp; gt2005.chdOutput file:&nbsp; /dev/disk0Error opening output file '/dev/disk0'I need help here.&nbsp; Thanks in advance... I have attached chdman so you can have it to see what I am doing wrong here...</blockquote>

[QUOTE="tinsley, post: 1062045, member: 160511"] I am trying to run an app called 'chdman' which can make a CHD file from a HD. First, here is the output of the app: ./chdman chdman - MAME Compressed Hunks of Data (CHD) manager 0.95u6 (Apr 29 2005) usage: chdman -info input.chd or: chdman -createhd inputhd.raw output.chd [inputoffs [cylinders heads sectors [sectorsize [hunksize]]]] or: chdman -createblankhd output.chd cylinders heads sectors [sectorsize [hunksize]] or: chdman -createcd input.toc output.chd or: chdman -copydata input.chd output.chd or: chdman -extract input.chd output.raw or: chdman -extractcd input.chd output.toc output.bin or: chdman -verify input.chd or: chdman -verifyfix input.chd or: chdman -update input.chd output.chd or: chdman -chomp inout.chd output.chd maxhunk or: chdman -merge parent.chd diff.chd output.chd or: chdman -diff parent.chd compare.chd diff.chd or: chdman -setchs inout.chd cylinders heads sectors Here is my output from diskutil list: /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *250.1 GB disk0 1: DOS_FAT_32 UNTITLED 1 250.1 GB disk0s1 /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *750.2 GB disk1 1: EFI 209.7 MB disk1s1 2: Apple_HFS Mac OS 749.8 GB disk1s2 /dev/disk2 #: TYPE NAME SIZE IDENTIFIER 0: FDisk_partition_scheme *500.1 GB disk2 1: Apple_HFS External HD 500.1 GB disk2s1 Now, say I want to create a CHD of disk0 from diskutil, I would think I would run: ./chdman -createhd /dev/disk0 gt.chd but I get this output: chdman - MAME Compressed Hunks of Data (CHD) manager 0.95u6 (Apr 29 2005) Invalid file '/dev/disk0' And, to extract an already created CHD file, I would think I would run: ./chdman -extract gt2005.chd /dev/disk0 but I get this output: chdman - MAME Compressed Hunks of Data (CHD) manager 0.95u6 (Apr 29 2005) Input file: gt2005.chd Output file: /dev/disk0 Error opening output file '/dev/disk0' I need help here. Thanks in advance... I have attached chdman so you can have it to see what I am doing wrong here... [/QUOTE]

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