IBM 5155 User Manual

Are you installing an IDM Math Coprocessor?
YES - Continue with the next step.
NO - To install the IDM Personal Computer
Slimline Diskette Drive, go
to step 28.
Note: Before you install the
Math
Coprocessor, install the safety protector. The
Math Coprocessor can be identified by its
gold-colored pins.
19 Assemble the safety protector as shown in the
figure below. Insert slot A into slot B, then
insert slot C into slot D.
SlotC~
Slot B
\
Slot D
/
4-18 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)