Appendix D: Memory Maps D-3
I=B000-B7FF
– 32 KB
This is the VGA Monochrome Text Mode Video RAM area. This
assumes that for monochrome text, the VGA Color Text Mode
Video RAM with the colors set to black and white is used.
X=C000-CBFF
– 48 KB
This is the Video BIOS.
I=CC00-E7FF
- 112 KB - Available memory
This provides 144 KB of usable memory.
TAPS DOS Environment
For a DOS system using TAPS, 140 KB of usable memory is available
with the following Include and eXclude parameters:
DEVICE= EMM386.EXE NOEMS I=B000-B7FF X=C000-CBFF
↵
I=CC00-DBFF X=DC00-DCFF I=DD00-E7FF
I=B000-B7FF
– 32 KB
This is the VGA Monochrome Text Mode Video RAM area. This
assumes that for monochrome text, the VGA Color Text Mode
Video RAM with the colors set to black and white is used.
X=C000-CBFF
– 48 KB
This is the Video BIOS.
I=CC00-DBFF
- 64 KB - Available memory
This provides 64 KB of usable memory.
X=DC00-DCFF
– 4 KB
TAPS requires part of this area of the DMI information to read the
terminal number. It is actually less than 4K, but 4K is an EMM386
minimum for this parameter. The Cash Drawer control in
FS_MISC.DOS is one of the drivers that needs this information.
I=DD00-E7FF
- 44 KB - Available memory.
This provides 140 KB of usable memory.
Summary of Contents for RealPOS 80c
Page 1: ...NCR RealPOS 80c Release 1 1 Hardware User s Guide B005 0000 1359 Issue C...
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Page 55: ...Chapter 1 Product Overview 1 37...
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Page 80: ...2 24 Chapter 2 Hardware Installation...
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Page 118: ...5 10 Chapter 5 BIOS Updating Procedures...
Page 133: ...Chapter 6 Memory Dump 6 15...
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Page 162: ...D 4...