Appendix A:
Memory Map
21011
= Can Be Overlaid
= ROMs that are not present if
DISABLED in the BIOS
PC BIOS
Reserved for PC BIOS
VGA Video BIOS (62 K)
Text Mode
Video Data (32 K)
VGA Data (64 K)
FFFF:000F
E400:0000
E000:0000
CF80:0000
C000:0000
B800:0000
B000:0000
A000:0000
0000:0000
ACPI BIOS 6.2.3.0
Conventional Memory
(640 K)
D680:0000
D480:0000
Monochrome Text Mode
Video Data (32 K)
RAID Option ROM (20 K)
PXE Option ROM
Free Space
DOS Considerations
EMM386
must
be
configured
with
the
correct
parameters,
based
on
the
BIOS
Memory
Map.
A
Summary of Contents for RealPOS 70XRT
Page 1: ...NCR RealPOS 70XRT 7403 POS Workstation Release 1 2 User Guide B005 0000 1872 Issue E ...
Page 80: ...4 6 Chapter 4 Installing a Secondary Dual Display ...
Page 124: ...7 10 Chapter 7 Installing a RAID System ...
Page 129: ...Chapter 8 2x20 Customer Display Interface 8 5 CP437 ...
Page 130: ...8 6 Chapter 8 2x20 Customer Display Interface CP858 ...
Page 131: ...Chapter 8 2x20 Customer Display Interface 8 7 CP866 ...
Page 132: ...8 8 Chapter 8 2x20 Customer Display Interface CP932 ...
Page 134: ...9 2 Chapter 9 Cash Drawer Interface ...
Page 142: ...10 8 Chapter 10 Wedge to USB MSR Software Migration ...
Page 146: ...11 4 Chapter 11 Diagnostic LEDs ...
Page 161: ......
Page 162: ......
Page 172: ...15 10 Chapter 15 BIOS Settings ...
Page 178: ...16 6 Chapter 16 Converting the MSR to MagTek Emulation Mode ...
Page 180: ...A 2 Appendix A Memory Map ...
Page 182: ...B 2 Appendix B IRQ Settings ...