IBM Personal Computer User Manual

64K-256K System Board Switches ........... 5-33
Coprocessor ......................... 5-34
Types
of Displays ..................... 5-35
5-1/4 Inch Diskette Drives .............. 5-36
Memory Option Switches .................. 5-37
64KB-256KB System Board ............. 5-37
288K Total Memory
320K Total Memory
352K Total Memory
384K Total Memory
416K Total Memory
448K Total Memory
480K Total Memory
512K Total Memory
544K Total Memory
576K Total Memory
608K Total Memory
640K Total Memory
Extender Card Switches
................... 5-38
................... 5-39
................... 5-40
................... 5-41
................... 5-42
................... 5-43
................... 5-44
................... 5-45
................... 5-46
................... 5-47
................... 5-48
................... 5-49
.................... 5-50
5-2 Options

IBM Personal Computer Specifications

General

Manufacturer	IBM
Model	IBM Personal Computer 5150
Release Year	1981
Processor	Intel 8088
Clock Speed	4.77 MHz
RAM	16 KB - 256 KB
Graphics	MDA or CGA
Power Supply	63.5 W
Weight	21 lbs (9.5 kg)
Storage	5.25-inch floppy disk drives, optional 10 MB hard drive
Operating System	IBM PC DOS
Ports	Parallel, Serial, Cassette