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Texas Instruments TI-99/4A with some Extra Accessories

August 6th, 2009 1 comment
Texas Instruments TI-99/4A

Autopsy:

from Wikipedia:

The Texas Instruments TI-99/4A was an early home computer, released in June 1981, originally at a price of USD $525.

It was an enhanced version of the less-successful—and quite rare—TI-99/4 model, which was released in late 1979 at a price of $1,150. The TI-99/4A added an additional graphics mode, “lowercase” characters comprised of small capitals, and a full travel keyboard. Its predecessor, the TI-99/4, featured a calculator-style chiclet keyboard and lacked any provision for lowercase text.

The TI-99/4A’s CPU, motherboard, and cartridge (“Solid State Software”) slot were built into a single console, along with the keyboard. The power supply board (linear in early systems, switching in later systems) was housed below and in front of the cartridge slot under the sloped area to the right of the keyboard.

source: wikipedia 99er.net

Categories: Gallery, Texas Instruments

PET 2001-8 (6540 to 2716 ROM Adapters)

August 6th, 2009 1 comment

PET 2001-8 (6540 to 2716 ROM Adapters)This is a small adapter which replaces the unobtanable 6540 ROM chips used in the Commodore PET 2001-8 computers with a standard 2716 EPROM.

They will work as a drop in replacement for any ROM chip in a PET 2001-8.

source: 6540rom.com

Categories: CBM/PET, News & Rumors, Today