How Harvard Presentation Graphics works on an IBM PC Convertible 5140, 1986 #shorts #retrocomputer

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IBM PC Convertible 5140 & Harward Presentation Graphics, 1986
First IBM "laptop-style" computer

CPU: I8088 4.77MHz
Memory: 640KB
Dual 720KB floppy drives
CGA monochrome LCD
IBM PC Convertible Printer

13 lbs/6kg

Cost started from $2000 (256KB RAM) in 1986

#ibm #ibmpc #ibmpcconvertible #oldlaptop #vintagelaptop #charts #printer
#retrocomputer #vintagecomputer #vintagecomputing
#oldcomputer #vintagestyle #retrotechnology #nostalgia