Found 109 article entries

Help! I donated but my account still doesn't have a download badge!

You have donated via Paypal more than 2 minutes ago, but your account is still shown in blue, there is no mention of your donation in the public chat and you cannot download files larger than 1GB. This means that: A) You were not signed in when you donated.  This is why the first sentence in the donation popup reads: "WARNING: You're not signed in, so you'll donate anonymously. If you want a donators badge tied to your MR...

HFS max partition sizes

In 1985, only a year after the first Macintosh came out, HFS (later referred to as "Mac OS Standard") was introduced and replaced MFS.  HFS required Macintosh System Software 2.1 and was welcome to support the HD20, Apple's first 20 megabytes hard drive that had just came out for the Mac 512K.  Can you imagine storing 50 floppy disks (400KB each back then) into a single device? Back in the day, this was huge! Now, we...

How do I change my MR account email?

I have had my account for a while now, I use this website a lot for downloading software on various of my old devices. I haven't had access to my old email for a year now and tried to change it to my new email from before my old email was deactivated. I don't see any options to change your Macintosh Repository email and I also can't find a way to contact support (I don't want to send an email on the support page as it's only...

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 boot and install Mac OS X 10.5 Leopard on an unsupported G4 (pre-867mhz CPU)

If you NEED to install OSX 10.5 on an unsupported G4 for some reason, know that there are a couple ways you can force the Leopard installer to boot on unsupported hardware.  Here is the Open Firmware way, allowing you to use a completely unmodified (and even a genuine) OSX 10.5 retail install DVD (this can also be done using an USB stick).  Before we begin, be warned that the reason Apple blocked pre-867mhz G4's to boot OSX 10.5 is...

How to boot PPC PowerMacs (G3, G4, G5) from a USB stick or drive?

To boot any* PowerPC Mac (e.g. an iMac G3, an iBook G4, a PowerMac G5, etc...) from an USB stick or drive, FIRST know that if your model is 300mhz or faster, then first refer to the boot from CD guide and if it does not work, then follow these instructions: * The Lombard PowerBook G3 cannot boot from USB Follow these steps IN ORDER: 1. Completely power off (not restart) the Mac, then connect your USB stick/drive in a root USB port on...

How to boot PPC PowerMacs from a CD/DVD : G3, G4, iMac, iBook, eMac, etc...?

So you've acquired or burned a Mac OS install CD or you made yourself a custom boot disk and would like to boot from it but when you insert it in your Mac and power it on, it always boots from the hard drive? Then here's how to access the PPC boot selection screen...   You can boot any PowerMac starting from the first Clamshell iBook G3 (fall of year 2000) from a removable media by turning it on and immediately holding down...

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 any video to play it back on old an old 68K Mac w/ QuickTime 2.5?

Back in the early 90's, there was no such thing as 1080p let alone 4K! But playing back small color video on a 25mhz Mac was possible thanks to QuickTime.  It supported only a handful of formats, but here I'll explain how to get any video from today playing back on a 1990's Mac. First, I need some video conversion utility such as XMedia Recode. Then, I configure a conversion queue in XMedia Recode with very specific...

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 disable the airport card in the mid 2005 iBook to prevent crashing

Many iBook G4 laptops (and possibly other models) have a problem with the inbuilt AirPort card failing, and then causing regular kernel panics. This can be avoided in Leopard, and possibly Tiger, by replacing the kexts responsible for the AirPort 1. As soon as you turn the computer on quickly turn off AirPort in the menu bar. 2. Open TextEdit and save two blank files to the desktop. Name the First one  IO80211Family.kext.rtf and...

How to display a custom StartupScreen picture on boot under Mac OS 9 and earlier?

Under Mac OS 9 and earlier, all the way back to the first Mac OS versions in the 1980's, you could display a custom boot picture in the background while Mac OS was loading. To do this, you do NOT need to alter/edit any system files at all.  All you need to do is to save a copy of your desired startup picture into a specific format and place it in your System Folder. Note: System 6 and earlier only supports black & white...

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...




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