Intermec PENKEY 6100 Programmer's Reference Manual page 294

Common PEN*KEY 6000 Series Information
Extended Memory
HMA
Expanded Memory
Summary of Memory Types
Conventional memory
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Expanded memory
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Extended memory
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HMA
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RAM drive
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UMA
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Statements and Programs (CONFIG.SYS, AUTOEXEC.BAT)
Statement Description
R
B-14 PEN*KEY 6100 Computer Programmer's Reference Guide
APPENDIX B