Chapter 1
17
Hardware Configuration and Specification
Memory Address Map
Memory Address
Size
Function
00000000-0009FFFF
640 KB
Base memory
000A0000-000BFFFF
128 KB
Video memory
000C0000-000C9FFF
40 KB
Video BIOS
000CA000-000CBFFF
8 KB
I/O ROM
000E0000-000FFFFF
128 KB
System BIOS
00100000-top limited
04301000-04301FFF
04302000-04302FFF
0430000-04300FFFF
--
4 KB
4 KB
64 KB
Extended (DIMM) memory
PCMCIA controller (slot 1)
PCMCIA controller (slot 2)
USB controller
FFFF0000-FFFFFFFF
64 KB
System board extension for
PnP BIOS
Interrupt Channel Assignment
Interrupt Channel
Function
NMI
System errors
IRQ0
System timer
IRQ1
Keyboard
IRQ2
Cascade
IRQ3
Modem or Audio (optional)
IRQ4
COM1 or Modem (optional)
IRQ5
Audio or LPT2 (optional)
IRQ6
Floppy
IRQ7
LPT1 or Audio (optional) or Modem (optional)
IRQ8
Real time clock
IRQ9
Card bus / ACPI or Audio (optional)
IRQ10
USB or Audio (optional) or Modem (optional)
IRQ11
Audio (optional) or Modem (optional)
IRQ12
PS2 pointing device
IRQ13
Numeric data processor
IRQ14
1st EIDE device (hard disk)
IRQ15
2nd EIDE device (CD-ROM drive)
Содержание Extensa 500
Страница 3: ...PART No 49 42B02 001 PRINT IN TAIWAN DOC No SG281 9807A ...
Страница 7: ...Extensa 500 Service Guide 7 Appendix A Model Definitions Appendix B Compatibility Tested Components ...
Страница 8: ...8 Table of Contents ...
Страница 32: ...32 SystemIntroduction ...
Страница 48: ...48 SoftwareUtilities ...
Страница 88: ...88 Troubleshooting ...
Страница 100: ...100 Spare Parts List ...
Страница 102: ...Appendix A 102 ...
Страница 108: ...108 Compatibility Tested Components ...