Apple first hit the 1 GHz mark 24 years ago, Today

Nearly a quarter-century ago, the second generation Quicksilver Power Mac G4 was announced alongside an updated, brighter 20-Inch Apple Cinema Display. The 2002 Quicksilver Power Mac G4 started at 800 MHz for the base model at $1,599 USD, with a single processor.   (Pictured: A community member’s Quicksilver used as a Pro Tools rig in […]

16 Years Ago today, Steve Jobs unveiled the original iPad

16 Years Ago today, Steve Jobs unveiled the original iPad – a third category device between iPhone and MacBooks touted as being “far better at some key things“, such as: Web Browsing, Email, Photos, Video, Music, Games, and eBooks.     Originally shipping with a custom build of iPhone OS 3.2 that allowed wallpaper changing, […]

DDR SDRAM generations in Macs – A brief overview

Since Mid-2002, Apple computers started using DDR SDRAM (Double Data Rate Synchronous Dynamic Random-Access Memory), the first model being an Xserve G4 1.0, shipping with 266 MHz PC-2100 DDR. . . As of September 2025 the latest iteration is DDR5, with DDR6 planned for 2027, and current Apple silicon devices are using LPDDR5X, a low-power […]

From MacSketch to MacPaint

When the Apple Macintosh debuted in January 1984, it revolutionized personal computing with its intuitive graphical user interface and accessible creative tools. Among these, MacPaint stood out as a groundbreaking raster graphics editor. It empowered users to create digital art with unprecedented ease. Its journey from LisaGraf to QuickDraw to MacSketch, culminating in the iconic […]

Broadcom BCM5780 Mid-and-South Bridges (PCIe Power Mac G5)

When the Dual-Core PowerPC 970MP third-generation G5 CPUs came out in Mid-2005, Apple had to start using a brand new Mid Bridge chip for the Macs along with it. Since the AMD 8131 only had PCI-X bridges and no PCIe bus, they couldn’t keep the old chip, replacing it with the BCM5780. (Above: Block diagram […]

AMD-8131 PCI-X Midbridge Chip (2003-05 PCI-X Power Mac G5 only)

Have you ever wondered why there’s an AMD chip on the back of your Power Mac G5’s logic board, or what it’s even doing there? For higher end Mid-2003 thru Early 2005 Power Mac G5s, that’s the PCI-X “Mid Bridge” chip. This is what handles all your expansion cards! Although, it doesn’t appear in Late-2005 […]

Early Demos (Finder, SoundLab, Scroll Bar Demo, WindowManager, IconEditor)

Here’s a write-up about another fascinating Twiggy disc. It contains several early demos that are also mentioned in Andy’s book and on his website, Folklore.org. . The disc boots into Finder 2.0 (25-Jul-82). I think the most interesting early demo was an early prototype for the Finder, written by Bruce Horn and myself in the […]

Which PowerBook?

1998: In the computer world, it is all too easy to get so bedazzled by the latest and greatest that one’s vision becomes clouded. Currently, the latest and greatest PowerBooks are the G3 Series II “PDQ” models, and they are indeed fabulous machines.