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C64 maze generator T-shirts!

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G > GRID > GridLite   


The GridLite was less innovative than the earlier Grid versions and was comparable to many other laptops of the time. However, its 4.77 MHz clock rate clearly compromised its performance front of its main 7 MHz competitors, the Toshiba T-1100 Plus, and the Zenith Z-171.

One of its strong points was a new blue/yellow supertwist LCD screen which offered superior contrast and could be viewed from 45 degrees off to the side. The second original feature consisted in eight ROM sockets which allowed to put up to 1 MB of ROM software in the machine, including specific GridLite ROM cartridges.

One peculiarity of this ROM area was that both ROM software and 3.5" built-in floppy disk drive were called A:. This allowed, for example, the system to boot on the MS-DOS in ROM and automatically call the Autoexec.bat, Config.sys or any application file from the diskette.

NAME  GridLite
TYPE  Professional Computer
YEAR  1987
KEYBOARD  71 keys including 12 function keys
CPU  80C86, CMOS version of the 8086
SPEED  4.77 MHz
RAM  128 KB up to 640 KB on board, up to 1 MB external EMS
ROM  Up to 1 MB
TEXT MODES  80 chars. x 25 lines
GRAPHIC MODES  320 or 640 x 200 dots
COLORS  Monochrome
SOUND  Beeper
SIZE / WEIGHT  34 (W) x 28.5 (D) x 7.1 (H) cm / 4.5 kg
I/O PORTS  RS-232C serial, Parallel, External 3.5'' FDD, RGB video, Modem jack
BUILT IN MEDIA  3.5'' 720 KB DS/DD floppy disk drive. Optional second external FDD
OS  MS-DOC 3.2
POWER SUPPLY  External AC adaptor or Ni-Cd battery (3 to 4 hours lifetime)
PERIPHERALS  640 KB RAM expansion ($600)
External 3.5'' FDD ($295)
Ni-Cd battery ($175)
512 KB EMS RAM ($295), 1 MB EMS RAM ($395)
Hayes compatible modem 1200-baud ($395), 2400-baud ($595)
PRICE  $1750 (128 KB version)

retro computing t-shirts and goodies
3D Cubes
BASIC code
C64 maze generator
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Pixel adventure
Pixel Deer
Ready prompt
Shooting gallery
Spiral program
Vector ship

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