Apple vs. Samsung

Apple and Samsung have had an interesting relationship over the years. On the one hand, Apple buys a lot of components from Samsung Electronics. On the other, Samsung is a leading competitor in the mobile market. Some might call them frenemies, others see it as a symbiotic relationship.

CPUs: Motorola 6800 and 6809

The personal computing revolution started in 1974 with the 2 MHz Intel 8080, Intel’s first 8-bit CPU capable of addressing 64 KB of memory. (The earlier 8008 from 1972 could only address 16 KB.) But there was a parallel path, a new CPU family that Motorola launched in 1974.

The Serker Files

The following collection of articles is adapted from postings by Scott L. Barber, an all around Mac geek, on our Quadlist email list circa 1998. Although a few of these are specific to 68040-based Macs, most have much wider application (or, at times, much narrower), and in some cases these look at technologies long since […]

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.

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.

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.

PowerPC 601 Upgrades for 68040 PDS Macs

The Apple Power Mac Upgrade Card (APMUC) plugs into the 68040 Processor Direct Slot (PDS) of the Centris 650, Quadra 650, Quadra 700, Quadra 800, Quadra 900, and Quadra 950 and provides PowerPC 601 power. With an adapter, it also works in the Centris 610 and Quadra 610. It is not compatible with 68040-based Macs […]