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Atari Portfolio - John Connor’s Laptop


Surely, you paid attention to the computer using which the young John Connor hacked PIN-code to the ATM and the access code to the lab in Terminator 2. This computer was the Atari Portfolio. When the movie was showing in theaters in 1991, it seemed beyond the fiction. I was lucky to find it, and I want to share with you its features.
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Technical Characteristics

Processor: 80C88@4.9152 MHz
RAM: 128 kB
ROM: 256 kB
Power supply: 3 AA batteries or AC adapter
OS: DIP DOS 2.11, compatible with MS DOS 2.11 / 3
Display: LCD 240x64, or 40 x 8 characters (compatible with MDA)
Expansion slot: Additional modules LPT, COM, MIDI, Modem
Expansion memory: Proprietary memory card, (SRAM)
Size and Weight: 200x100x28mm, 454 grams without the batteries.
Model year: 1989

Well, let's see what you got!
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Keyboard vs human fingers:
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Embedded electronic worksheets:
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Calendar. As we can see, there are not expected any Y2K problems or the end of the world:
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Text editor:
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The system drive has 30 kB of free space:
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If this is not enough - you can connect a memory card, which are drive A:
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There was not any fast flash memory yet, so there is a static memory (SRAM), which requires a battery to store the data (it lasts for 2 years):
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Card drive:
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After 23 years, it's time to remove the protective plastic from the nameplate:
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Made in Japan – these days this nameplate is hard to see anywhere:
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LPT-port expansion module:
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Software, documentation, and 5" floppy disc:
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Conclusion

According to the measurements, it consumes 45 mA during work time, respectively, a set of the batteries (2700 mA*h) will last for 60 hours (!)
The modern laptops are far behind this performance. For comparison:
Ultrabook on Intel i7 has 10 hours of work
Atari Portfolio has 60 hours of work.
There are still some amateur websites with software for Portfolio – just do not be scared of old-fashioned design.
I bought it at the auction for 3,500 rubles, and I guess somewhere a museum of old computers was closed down, it was one of the last items.
It still can be used, such as RS232 terminal or for some technical programs. The interface itself is not slow and it works very fast. You can work comfortably with a keyboard of that size.

Update: Video for umumble readers:
Killer 4 february 2014, 13:02
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