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Site last updated: 20 January 2020

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Recent Posts

Mac OS X PPC Fan Control


Finding a good fan controller for PowerPC Macs has proven to be a difficult task. After extensive searching the best option appears to be G4FanControl which is listed below.   Useful Tools QuickFans is a usefull tool that displays the c... More

Open Firmware Basics


Booting into Open Firmware Boot into your machine's Open Firmware my restarting and holding the keys Command + Option + O + F   Resetting Open Firmware When making changes to the NVRAMRC you can come across some unintended results, or you... More

Mac OS 9 on Unsupported Systems


Most of the Apple G4 models dropped support for natively booting Mac OS 9 and only support Mac OS X. Through a lot of hard work the folks at have been able to get Mac OS 9 booting on most of these systems. Below is a compiled list ... More

Downgrading a PowerMac G4 MDD Firmware


The Power Mac G4 MDD (Mirrored Drive Doors) FW800 (FireWire 800) was the first Power Mac to drop support for Mac OS 9 and native booting. Architecturally it is almost identical to the other MDD models with the exception of having a FireWire 800 po... More

Featured Posts

HTTPS and why it's a problem for Early Mac OS


Introduction Hyper Text Transfer Protocol Secure (HTTPS) is a protocol used for securing information sent between a web browser, and a web server. HTTPS is standard HTTP served over an SSL connection. This creates an encrypted connection betw... More