Chapter 3: BIOS Setup 3-47
Memory Map
The following table details the memory map for the Pentium III/Celeron
processor. Parts of this area may be used by future versions of the BIOS to
add increased functionality.
Address Range
Size
Description
FFFFFFFF-FFF80000
512KB
BIOS ROM
FFF80000-FFF81FFF
8KB
BIOS ESCD
100000-FFFFFFF
255MB Extended Memory (1MB to 255MB)
E8000-FFFFF
96KB
BIOS run-time
E4000-E7FFF
16KB
BIOS DMI
E0000-E3FFF
16KB
Lan PXE ROM (if MSR and/or DOC enabled)
DC000-DFFFF
16KB
MSR and/or DOC if either is enabled
(DOC at DC000 or MSR at DE000)
D8000-DBFFF
16KB
MSR and/or DOC if either is enabled
(DOC at D8000 or MSR at DA000)
D4000-E0000
48KB
Lan PXE ROM (uses D8000-DFFFF only if no
MSR/DOC)
D2000-D3FFF
8KB
Available HI DOS memory
D0000-D1FFF
8KB
Micro-Solutions Backpack CD ROM (if enabled)
CC000-CFFFF
16KB
Available HI DOS memory
C0000-CBFFF
48KB
Onboard video BIOS
A0000-BFFFF
128 kB Reserved for video memory
9FC00-9FFFF
1KB
Extended BIOS data
80000-9FBFF
127KB
Extended memory
00000-7FFFF
512KB
Conventional memory
DA000-DBFFF
DE000-DFFFF
8kB
NCR Trigantor MSR (optional)
D8000-D9FFF
DC000-DDFFF
8kB
Flash Disk (optional)
Summary of Contents for 7460
Page 1: ...NCR 7460 Retail Terminal Release 1 2 Hardware User s Guide B005 0000 1280 Issue D...
Page 14: ...xii...
Page 40: ...1 26 Chapter 1 Product Overview...
Page 116: ...3 48 Chapter 3 BIOS Setup...
Page 138: ...5 8 Chapter 5 BIOS Updating Procedures...
Page 142: ...6 4 Chapter 6 NCR 7460 2x20 Customer Display Character Map...
Page 144: ......
Page 146: ...A 2 Appendix A Cables...
Page 150: ......
Page 153: ......