HP 4150 HP OmniBook 4150 - Reference Guide - Page 130

System Memory, System Input/Output Addresses 100-3FF - printer software

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Specifications and Regulatory Information Software System Resources System Memory 00000 - 9FFFF System memory C0000 - CBFFF C0000 - CFFFF Video BIOS (unmarked models***) Video BIOS ("4150 B" models***) CC000 - DBFFF* D0000 - DBFFF* Free** (unmarked models***) Free** ("4150 B" models***) DC000*- FFFFF System BIOS * Approximate boundary. ** Valid uses for memory addresses CC000-DBFFF or D0000-DBFFF: Upper memory blocks (UMBs). PC card memory windows. *** Unmarked models have no "4150" after the serial number, "4150 B" models have "4150 B" after the serial number. System Input/Output Addresses (100-3FF) 120-127 Audio (only models without "4150" after serial number) 170-177 Internal CD-ROM drive (secondary IDE controller) 1F0-1F7 Internal hard disk (primary IDE controller) 220-22F Audio 376 Internal CD-ROM drive (secondary IDE controller) 378-37F LPT1 (printer port) 388-38B Audio 3B0-3BB Video adapter 3C0-3DF Video adapter 3E0-3E1 PCMCIA controller 3F0-3F5 Floppy controller 3F6 Internal hard disk (primary IDE controller) 3F7 Floppy controller 3F8-3FF COM1 (serial port) 130 Reference Guide

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Specifications and Regulatory Information
Software System Resources
130
Reference Guide
System Memory
00000 - 9FFFF
System memory
C0000 - CBFFF
C0000 - CFFFF
Video BIOS (unmarked models***)
Video BIOS (“4150 B” models***)
CC000 - DBFFF*
D0000 - DBFFF*
Free** (unmarked models***)
Free** (“4150 B” models***)
DC000*- FFFFF
System BIOS
*
Approximate boundary.
**
Valid uses for memory addresses CC000-DBFFF or D0000-DBFFF:
Upper memory blocks (UMBs).
PC card memory windows.
***
Unmarked models have no “4150” after the serial number, “4150 B” models have
“4150 B” after the serial number.
System Input/Output Addresses (100-3FF)
120-127
Audio (only models without “4150” after serial
number)
170-177
Internal CD-ROM drive (secondary IDE
controller)
1F0-1F7
Internal hard disk (primary IDE controller)
220-22F
Audio
376
Internal CD-ROM drive (secondary IDE
controller)
378-37F
LPT1 (printer port)
388-38B
Audio
3B0-3BB
Video adapter
3C0-3DF
Video adapter
3E0-3E1
PCMCIA controller
3F0-3F5
Floppy controller
3F6
Internal hard disk (primary IDE controller)
3F7
Floppy controller
3F8-3FF
COM1 (serial port)