IBM Personal Computer XT Manual To Operations page 215

SECTION 4. OPTION
INSTALLATION
Contents
How to Use This Section 4-3
Handling Static-Sensitive Devices ............. 4-4
System Board Switches ..................... 4-7
Coprocessor .......................... 4-8
Memory .............................. 4-8
Displays .............................. 4-9
5-1/4 Inch Diskette Drives .............. 4-10
Memory Option Switches .................. 4-11
288K Total Memory ................... 4-11
................... 4-11
................... 4-12
................... 4-13
................... 4-14
................... 4-15
................... 4-16
................... 4-17
................... 4-18
.................... 4-19
.................... 4-20
................... 4-21
320K Total Memory
352K Total Memory
384K Total Memory
416K Total Memory
448K Total Memory
480K Total Memory
512K Total Memory
544K Total Memory
576 Total Memory
608 Total Memory
640K Total Memory
Extender Card Switches .................... 4-22
Option Installation 4-1