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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for December 23rd, 2016

Apple Tesseract 1992 prototype (not Tessaract)

Posted by jpluimers on 2016/12/23

A while ago that bitsavers published a picture of an Apple 1992 Tesseract Motherboard.

It’s from the 68k to PowerPC RISC transition Apple made in the second half of the 1980s and first half of the 1990s where several groups within Apple were working on new equipment.

More details of those are here:

Note this is not [Wayback] TesSeRact from the DOS TSR (Terminate and Stay Resident) days:

Via [Wayback] Ralf Brown’s Files

Downloadable files by Ralf Brown:x86/MS-DOS Interrupt List, RBcomm, SPAWNO, AMISLIB, DV-GLUE, RBdualVGA,RBkeyswap, RBspeed, PCICFG, CMU-EBMT. (20aug10)



Read the rest of this entry »

Posted in 68k, History, MS-DOS, Power User, PowerPC, Tesseract, TSR Terminate and Stay Resitent | Leave a Comment »

How to securely delete files in OS X 10.11 ‘El Capitan’ | MacIssues

Posted by jpluimers on 2016/12/23

Interesting: diskutil secureErase freespace LEVEL /Volumes/DRIVENAME


Source: How to securely delete files in OS X 10.11 ‘El Capitan’ | MacIssues

Posted in Apple, Mac, Mac OS X / OS X / MacOS, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, OS X 10.10 Yosemite, OS X 10.8 Mountain Lion, OS X 10.9 Mavericks, Power User | Leave a Comment »

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