Memory Address Assignments - Siemens SIMATIC 627B Operating Instructions Manual

16.3.2.4

Memory address assignments

PCI VGA modules can be operated with expansion ROM up to 48K.
Address
from
0000 0000
0008 0000
0009 F800
000A 0000
000B 0000
000B 8000
000C 0000
000C 0000
000C F000
000C F000
000D 0000
000C F000
000D 3800
000C F000
000D 4800
000E 0000
000E 2000
000E 4000
0010 0000
D000 0000
FFF0 0000
Optional memory allocation, depending on settings in BIOS Setup
1)
SIMATIC Box PC 627B
Operating Instructions, 06/2008, A5E00927393-02
Size
to
0007 FFFF 512K
0009 F7FF 127K
0009 FFFF 2K
000A FFFF 64K
000B 7FFF 32K
000B FFFF 32K
000C BFFF 48K
000C E9FF 59K
1)
000D FFFF 68K
1)
000C FFFF 4K
1)
000D FFFF 64K
1)
000D 37FF 18K
1)
000D FFFF 50K
1)
000D 47FF 22K
1)
000D FFFF 46K
1)
000E 1FFF 8K
000E 3FFF 8K
000F FFFF 112K
CFFF FFFF 3,2GB
FFEF FFFF 767 MB
FFFF FFFF 1 MB
Description of the basic
function
Conventional system
memory
Conventional system
memory extended
XBDA, extended Bios Data
Area
VGA graphics refresh
memory
Software graphics / text
refresh memory
VGA graphics/text refresh
memory
VGA BIOS expansion
VGA BIOS
Not used (no RAID, no PXE) via EMM High DOS
PXE
Not used (no RAID, with
PXE)
RAID
Not used (RAID, no PXE)
RAID and PXE
Not used
USB
DMI data
System BIOS
System memory 4 GB
memory configuration
Configuration space
Firmware HUB
Detailed descriptions
16.3 System resources
Possible alternative
function
Shared SMM for power
management
Not used
Always occupied
Memory
via EMM High DOS
Memory
via EMM High DOS
Memory
Depends on memory
configuration
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