macOS Sierra on Low End Macs

With macOS Sierra, Apple has once again raised the bar on which Macs can install and run the newest version of the Mac OS. But as sometimes has happened in the past, there are workarounds that make it possible to install Sierra on some unsupported Macs.

macOS Sierra

For the first time since Apple released OS X 10.8 Mountain Lion in July 2012, Apple has dropped support for a number of older Macs that had supported OS X 10.8 through 10.11 El Capitan. No MacBook and iMac models prior to Late 2009 and no MacBook Air, MacBook Pro, Mac mini, and Mac Pro […]

9-11: The Day the World Stopped

Until 2001, September 11 was just another day on the calendar. The unexpected terrorist attacks on the Pentagon and World Trade Center shocked us and had us glued to the news throughout the day. Except for the heroes and newscasters, almost all of us stopped what we were doing, watching in shock and horror and […]

The Macintosh Clone Era

There are three different business models in the PC, smartphone, and tablet industries. The most widely used model is for one company to make the operating system and license it to a host of hardware manufacturers. This has given us the Windows market where no matter how badly PC makers do, Microsoft remains profitable.

iPhone 7

The big stuff first: The iPhone 7 is waterproof, no longer comes with a built-in headphone jack, and adds Jet Black to its color lineup. It’s the same size as the iPhone 6 and 6S, and there is no longer a 16 GB model – choices are 32 GB, 128 GB, and 256 GB, but […]

The Duo Dock Tick of Death

There are several kinds of Duo Docks of two main types: The full docks, such as the Apple Duo Dock, take the Duo inside much like a tape into a VCR; full docks provide ADB for keyboard and mouse, video, floppy, SCSI chain, two NuBus card slots, and two serial ports.

PowerPC Upgrades for 68040 Macs with LC PDS

The Apple Power Mac Processor Upgrade (APMPU) is a PowerPC 601 upgrade for 68040-based Macs that have a 32-bit LC processor direct slot (PDS) – the Quadra 605/LC 475/Performa 475-476, LC 575/Performa 575-578, LC 580/Performa 580-588, and Quadra 630/LC 630/Performa 630 series.

The Unofficial PowerPro Homepage

This is the Unofficial PowerPro 601 Homepage. The PowerPro is an upgrade card that was manufactured by DayStar Digital and sold both under the Apple and DayStar brand names. It enables some members of the Quadra series of Macintosh computers with a Motorola 68040 CPU to be upgraded to a PowerPC 601 processor.

The Unofficial Turbo 601 Site

Supporting the exchange of information about the DayStar Turbo 601 PowerPC upgrade card manufactured by DayStar Digital. This page has not been updated since January 1999 and is published here as a useful historical resource.