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...

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...

You're the proud owner of a retro PPC Mac model and you'd like to initialize/reset it to factory defaults but you lost the original install/restore disks? MR to the rescue! Follow this universal method that fits any PowerPC Mac model.   1) Identify what PowerPC Mac model you got. 1a) If it still can boot into classic Mac OS (8 or 9) then navigate to the Mac's hard drive, then "Applications" folder, then launch...

This tutorial used this copy of Leopard, a 16GB PNY USB 3.0 Flash drive, and Windows 10 version 1909. An 8GB drive should work fine, but that is the minimum size I would recommend to try. You will also need to download TransMac. The version used in this tutorial is TransMac 12.6. Note: TransMac costs $59, but a 15 day free trial is also offered and will work well enough for this purpose. Please purchase a license if you intend to use the...

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...

(NOTE: This article can work with other system versions, you just need to learn how the installer is different, and change around some of the steps for that version. You can also use a real mac, but the installation will be different, and it might be frustrating.) To install System 7.0.1 in Mini vMac, first you'll need Mini vMac, found here: https://www.gryphel.com/c/minivmac/ You can pick any variation, as long as you do not pick a...

Sometimes, you will see CD or DVD bundles for old Macs that come with both a "Software Restore" and a "Software Install" disk.  What's the difference? The software RESTORE disk will wipe the whole hard drive and reinstall everything (OS, utility apps, game demos, documentation, etc) to the factory condition.  This will leave it completely free of any previous DATA. The software INSTALL disk will let you...

table, th, td{ border:1px solid white; border-radius:10px; border-collapse:collapse; } th, td{ text-align:left; background-color:#96D4D4; color:#000; } .c{ text-align:center; } .t{ background-color:#f1c40f; } Old World Rom Systems   Date Launched Date Discontinued Model Specification on MR Model Specification on Wiki Link to original OS Disc Link to working last version...