IBM 5155 User Manual

Note: You must change the 8088 processor
to ensure compatibility with the ffiM Math
Coprocessor.
Warning:
• The 8088 Processor
is static sensitive.
Maintain personal grounding by touching
the system frame with one hand while
removing the 8088.
•
When inserting the module puller at the
end of the 8088 that faces the rear of the
system unit,
be careful not to damage the
components mounted
on the system
board.
24 Study the figure below and become familiar with
the system board. This shows the location
of the
8088 Processor.
8088
Processor
---Rear
4-22 Option Installation

IBM 5155 Specifications

General

Model	IBM 5155
Category	Desktop
Release Year	1984
CPU	Intel 8088
Clock Speed	4.77 MHz
Display	9-inch monochrome CRT
RAM	256 KB, expandable to 640 KB
Storage	One or two 5.25" 360KB floppy disk drives
Graphics	CGA (Color Graphics Adapter)
Ports	Parallel, Serial, Keyboard
Operating System	IBM PC DOS
Weight	30 pounds (13.6 kg)