Found 24 article entries from category: Disk images

How to "burn" (or write or clone) a bootable disk image onto an USB stick in Mac OS X using Disk Utility

Here's how to make a bootable (or not) USB stick from a disk image in OSX using Disk Utility found under: Applications/Utilities/ You can use this cloning method to make a bootable Mac OS X install USB stick or an ASD one. You could also use this method to clone a small hard drive or any volume you want, given that it fits on the size of your USB drive.  If the source volume that you want to clone already contains a System Folder...

How to "burn" (or write or clone) a bootable PowerPC disk image onto an USB stick in Mac OS X using "dd" in Terminal

This article lays out the steps in order to "burn" (or clone, or copy) a disk image (such as an ISO boot/install CD) onto an USB stick using only a vanilla Mac OS X environment that any Mac user already has available.  You do not need any additional or third party software since Mac OS X is UNIX based and comes with "dd" which is all it takes to accomplish this. Read that other article if you're looking for doing...

How to "burn" (or write or clone) a bootable PowerPC disk image onto an USB stick in Windows

PowerPC Macs such as G3's and G4's can boot off of USB sticks, even if this functionality has been buried so deep in technical details that almost nobody knew about it until nobody used G3's anymore.  If you're a collector or hobbyist and got a G3 or G4 and would like to install Mac OS 8, 9 or Mac OS X on it but that the CD/DVD drive is broken, here's a complete guide that will prove to be useful to you.  It will...

How to boot a Mac OS X installer without a DVD drive or an USB stick?

So you got a Mac OS X installer disk image (.iso, .toast, .cdr, .dmg) and would like to boot your PowerPC (G3, G4, G5) from it in order to install OSX, but unfortunately, the DVD drive on your old Mac is broken, missing or you're simply out of DVD discs? You instead went ahead and proceeded to boot your PowerPC Mac from an USB stick but it didn't work because the old Mac's USB ports are broken or the Open Firmware command fails for...

How to burn a CD/DVD disk image (e.g. ISO, CDR, DMG, TOAST) using just the Finder in OSX/macOS

Starting from Mac OS X 10.11 El Capitan, one can extremely easily burn a CD or DVD image to an optical media using just the Finder, no software required at all. 0) If your disk image file ends with .toast, rename the end of it from .toast to .iso 1) Click once on the disk image file to select it. 2) Pull the FILE menu in the menu bar and choose near the bottom: "BURN DISK IMAGE TO DISK". 3) Step 3? There is no step...

How to convert .MDF/.MDS disc archives to ISO

This article focuses on what to install on your mac to allow for disc image conversion from MDF/MDS to ISO. The article covers Mac OS X 10.4 through Mac OS X 10.13.x which is the current version as of this writing. There are two candidates for solving the disc image conversion, a GUI program titled AnyToISO Converter Lite and a command line interface called mdf2iso. These two programs are not by the same author but...

How to convert a DMG file to an ISO disk image?

DMG files are disk images that are compressed using Apple's proprietary format and Mac OS X default disk image format.  The fact that the DMG disk images are compressed poses a compatibility problem to most Windows users and earlier Mac OS versions, e.g. Mac OS 9.  The ISO (a.k.a. CDR under Mac OS X) disk image format is universally supported, therefore it's a much better choice for storing files or making a disk image...

How to convert floppy disk images from A2 DiskCopy 838484 bytes to regular 819200 bytes

800KB floppy drives were only manufactured by Apple until the late 90's and cannot be emulated or faked at all because they slowed down the floppy drive motor physically to cram in more bytes in each track (compared to the regular lesser 720KB PC floppy disk drive at the time).  1980's to late 1990's Macs equipped with an Apple floppy disk drive that still works are getting quite rare. Some users want to back up 800KB...

How to create a HFS+ disk image in Mac OS X to encapsulate/transfer Mac OS 9 and earlier files

Old Mac files (Mac OS 9 and earlier) need to be encapsulated properly before being moved/copied to a non-HFS partition/disk such as on a Windows PC or a web server or they will get corrupted, effectively losing their resource fork, which will render them useless on your Mac OS 9 or earlier environment. The best way to protect old Mac files before moving/copying them out of your OSX environment is to first copy them onto a HFS+ disk image, which...

How to export Mac files OUT of QEMU?

Alright, so you already know how to IMPORT files INTO QEMU, but you'd like to know how the heck to export files OUT of it? Well, it's true that it's kind of awkward to set up at first, but once you got it working, it's a permanent solution and it's hassle free.   STEP 1: CREATE A 2ND HDD DISK IMAGE What you want to do is to first create a second HARD DRIVE disk image (not a CD-ROM or DVD disk image!) If you...

How to make/clone/burn install/boot floppy disks for old beige 1990's Mac?

This tutorial only applies to old Macs that have a regular 1.4MB floppy disk drive, NOT a 800KB or 400KB floppy drive.  800KB/400KB floppy drives were uniquely manufactured by Apple and cannot be emulated using a generic PC floppy drive at all, because they have special firmware in their boards that can pack more DATA per track than regular PC drives could, at the time.  Moreover, please note that even if you have a Mac floppy drive...

How to mount a disk image under Mac OS 7, 8 or 9

One of the problems retro Mac enthusiasts face nowadays is figuring out how to mount old/random disk images in order to access the game or app in it. First of all, you have to know that there were at least a dozen disk image formats back then (although only a handful of them were widely used) and fortunately for you, there is a very nice disk image mounting tool for classic Mac called Virtual DVD-ROM/CD Utility that mounts just about all of them...

How to open most common old Mac archives on older Mac OS

This tutorial is meant for people who did not use older Macs back in the 90's who are struggling to open (or "load") old Mac files into their emulator (or even a real Mac, doesn't matter) and it's split in paragraphs that depict a specific file type/extension, so please skip to the paragraph that talks about the kind of file you're trying to open to discover how to do it.   .sit Stuffit archives Stuffit...

How to wrap loose old Mac files into a disk image (for use with FloppyEmu, etc...)

OK, so you got yourself FloppyEmu or a similar disk emulator for your old Mac and it works great, except not with all the files.  Why? Because FloppyEmu and such disk emulators are... disk emulators.  They expect you to feed them a disk image, not just random loose files. So just how can you wrap loose Mac files inside a disk image for use with FloppyEmu? Here's a full tutorial: 1) Grab a copy of this Disk image wrap tutorial...

I downloaded something that contains .bin/.cue files, how do I mount this under Mac OS 9?

Okay, first off, there aren't a ton of .bin/.cue files, but there are some and when you'll face them, you most likely won't understand how to deal with them because it's an awkward format.  Also, you have to understand that .bin/.cue files MUST work in pairs so whenever you see them, always keep them together in the same folder and do not rename them.  The .cue file is a cue sheet that explains to the disk image...

Install Excel 3.0 and Word 5.1 to an old Powerbook 150 Mac OS 7.1.1

Dear Sir/Madam! I am from Hungary, I bought an old Apple Macintosh Powerbook 150 notebook. The notebook was dead, but I could fix it. It was a little 47uF capacitor short circuit in the power supply side.  I switched on the computer, and it runned german MAC OS 7.1.1. I wanted to reinstall the operating system on the computer. I found installer floppy images on winworldpc.com, and I wrote this to floppy disks. I have already formatted...

Using Compact Flash with an IDE compatible Mac

Using a Compact Flash (CF) to IDE (ATA) Adapter in an IDE-Based Macintosh... First and foremost, thanks to the mostly anonymous forum posts which guided me to the correct setup. This article will cover what you need, where to get it, how to do it, and where to go from there! The Background Understanding what type of Macintosh this guide covers is key to your sucess. THIS IS NOT INTENDED FOR SCSI or SATA (extremely...

What is a .dmg file (disk image) and how to use it?

What is a .dmg file? A .dmg file is a disk image, meaning it's an exact copy (raw block DATA) of a disk (CD, DVD, USB stick, etc...) or even just a folder wrapped in a disk image. DMG images have been the default file format for distributing software on the internet for Mac OS X users since the year 2000.  DMG images are safe to store on any partition type, such as Windows (NTFS) and are safe to distribute over FTP, send by email,...




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