GRiD Compass II 1139

GRiD Compass II 1131, 1139
Manufacturer GRiD Systems Corporation
Processor type Intel 8086
Cycle time 5MHz
Math coprocessor Intel 8087
RAM memory 256 KB (up to 512 KB)
ROM memory 4×128 KB plug-in packs
Ports Serial RS-232C, RS-422, IEEE-488, GPIB parallel port
Operating systems GRiD OS (CCOS), MS-DOS 2.11
Keyboard Full stroke 57 keys
Modem 1200/300 bps
Screen size 25 lines x 128 columns ELD
Graphics resolution 512 x 256 dots
Dimensions 11,5 x 15 x 2 inches
Weight 8.8 lbs
Power 110-220V
Peripherals RAM cards, 360 KB 5.25″ floppy disc unit, 10 MB hard disk unit, 384 bubble std.
Price, $ (year) 7995 (1984)