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root42<\/a><\/h3>

Let’s Code MS DOS 0x29: Extended Memory XMS<\/a><\/h4>

In the previous episode we learned how to use Expanded Memory even down to the original IBM PC. From the IBM AT and other 286…<\/p>

Commodore PET: 40K RAM with SoftROM<\/a><\/h4>

The Commodore PET was one of the first true PCs. The entry model PET 2001 in 1977 came with 8K of RAM. My own PET…<\/p>

Black Amiga 500<\/a><\/h4>

Many a computer from the 1980s is today yellowed and brittle. The plastics age considerably over the decades. You can do some mitigation by retrobrighting…<\/p>

Zombie Floppy: How To Revive A Broken 1541 Head<\/a><\/h4>

The Commodore 1541 floppy drive is a real workhorse, that was used by millions of C64 users. It came with drive mechanisms from different vendors…<\/p>

PSU Battle: Commodore vs Electroware<\/a><\/h4>

The original power supplies of our Commodore home computers are now at least 30 years old. Many need maintenance, some got lost or are defective…<\/p>