4-46
Chapter 4: Setup
Memory Map (4xxx)
The following Memory Maps apply to the workstation.
Address Range (hex)
Size
Description
FECFF000-FECFF01B 27 B
LAN PXE ROM
100000-18100000
384 MB Current maximum extended memory
F0000-FFFFF
64 kB
System BIOS
EE000-EFFFF
8 kB
Main BIOS (available as UMB)
ED000-EDFFF
4 kB
ESCD (plug and play configuration
area not available as UMB)
EC000-ECFFF
4 kB
OEM (available as UMB)
E0000-EBFFF
48 kB
BIOS reserved (currently available as
UMB)
DC000-DFFF
4 kB
BIOS DMI*
D8000-DBFFF
12 kB
Available HI DOS memory
D0000-D7FFF
LAN PXE*
CB000-CFFFF
4 kB
Available HI DOS memory
CA000-CAFFF
LAN PXE*
C0000-C9FFF
40 kB
Onboard video BIOS or PCI LCD card
(VGA) BIOS
A0000-BFFFF
128 kB
Reserved for video memory
9FC00-9FFFF
1 kB
Extended BIOS Data (moveable by
QEMM, 386MAX)
80000-9FBFF
127 kB
Extended conventional
00000-7FFFF
512 kB
Conventional
* These PCI devices/areas can be manipulated via Plug-and-Play by the BIOS
and/or the Operating System; Therefore, if any device is added to the system
with a specific memory address, the BIOS will move these PCI devices as
necessary to any available memory thus affecting "Available High Memory."
Summary of Contents for 7452
Page 1: ...NCR 7452 Workstation Release 3 1 Hardware User s Guide BD20 1373 C Issue J...
Page 6: ...iv...
Page 18: ......
Page 44: ...1 26 Chapter 1 Product Overview 14406a Integrated 2x20 Customer Display...
Page 58: ...2 2 Chapter 2 Workstation Hardware Installation AC Input Selection Switch 14598 115V...
Page 74: ...2 18 Chapter 2 Workstation Hardware Installation 14566 Wrap Stand 5952 DynaKey Configuration...
Page 77: ...Chapter 2 Workstation Hardware Installation 2 21 17320 Wrap Stand 5953 DynaKey Configuration...
Page 80: ......
Page 164: ......
Page 187: ...Chapter 4 Setup 4 23 Load Previous Values Save Changes...
Page 216: ...4 52 Chapter 4 Setup...
Page 226: ......
Page 232: ...6 6 Chapter 6 BIOS Updating Procedures 4 After a successful BIOS update reboot the workstation...
Page 256: ......
Page 261: ...BD20 1373 C February 2001 Printed on recycled paper...