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This IBM 3151 ASCII series machine is an asynchronous serial communication terminal released in 1987.
It uses the ASCII (American Standard Code for Information Interchange) code set as opposed to the Extended Binary Coded Decimal Interchange Code set more commonly found on IBM terminals.
The system has a 14-inch CRT display that can display 80-132 characters by 24 lines. It can be attached to both IBM and non-IBM computers.
The IBM PS/2 Model 80 was announced in April 1987. The IBM PS/2 was the third generation of IBM PCs.
Unlike previous IBM PCs the model 80 used a new bus called Micro Channel Architecture. The model 80 has an Intel 386 processor, with 1MB or 2MB of RAM and a VGA display adapter.
The machine could run IBM PC DOS 3.3, OS/2, Microsoft PC Xenix and IBM AIX PC.
This computer has two 3.5-inch 2,88MB diskette drive and a 115MB Enhanced Small Disk Interface hard disk.
This portable machine was again classed as a "luggable" as it is portable but weighs more than 20 pounds.
The IBM PS/2 P70-386, released in 1989, has an Intel 386DX processor and supports up to 8MB of RAM.
The PC had a built-in plasma display and its VGA adapter could also power several different external PS/2 monitors.
The machine could run IBM PC DOS 3.3, OS/2, Microsoft Xenix or AIX PC.