42 CR11*, CP11*, CT11* 6U CompactPCI® SBC
Publication No. HRMCR11 Rev. B.0
CHAPTER 6
Chapter Scope
Memory Map
Register Set
Resources
This chapter describes system resources, such as memory mapping, register set
and defa
u
lt inteffilpt request a
ss
igrunen
t
s
.
The table below shows the memory address area used by the CR
!
I.
Table 20: 1\Iemory area assignments
Address
Siz.e
Used by
640kByte
128 kByte
128 kByte
128 kByte
depends on
available DRAM
depends on
available DRAM
$00000 -$9FFFF
SAOOOO - SBFFFF
SCOOOO - SDFFFF
SEOOOO -SFFFFF
$ I 00000
-
$3FFFFFFF
$4000000 - $FFFBFFFF
SFECOOOOO-$FFEFFFFF
SFFFOOOOO-SFFFFFFFF
I MByte
System RAM
Video RAM (if enabled)
Used by PCI ROMs:
VGA
,
SCSI, Ethemet
System BIOS
Extended RAM
Dynamically used by
PCI devices
System devices
System BIOS
The following section provides au overview of the re
gis
ter
s
located in the I/0
address area of the CR! I.
Note:
The address location of PCI device
s
such as SCSI or
E
t
h
emet are not described
in the following tables because the System BIOS automatically confi
gur
es
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