IBM 5155 Manual To Operations page 250

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