GRiD Case 1520

GRiD Case 1520
Manufacturer GRiD Systems Corporation
Processor type Intel 80286
Cycle time 10 MHz
Math coprocessor Intel 80287
RAM memory 1 MB (up to 8 MB)
Ports Serial port, Parallel port
Operating systems MS-DOS 3.30
Keyboard 57-keys
Modem 2400 bps
Screen size 25 lines x 80 columns  GPD
Graphics resolution 640 x 400 dots
Dimensions 11 x 15 x 2,2 inches
Weight 12,7 pound
Power Battery 1 hour and AC Adapter
Internal disk device 3,5″ FDD 1,44MB and 20MB-40MB-100MB HDD
Peripherals External 3,5″ & 5,25″ FDD
Price, $ (year) 5015 (1988)