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78 XVR16*4th Generation Intel® Core™ i7 Based Rugged VME Single Board Computer
Publication No.
500-9300007876-000
Rev. C.0
7 • System Resources, Memory Mapping, and
Registers
This chapter describes system resources, such as memory mapping, register
settings, and default interrupt request assignments.
7.1 Memory Mapping
The table below shows the memory address area used by the XVR16.
Table 7-1 Memory Mapping
Address
Size
Used by
$0 - $9_FFFF
640 KByte
System RAM
$A_0000 - $B_FFFF
128 KByte
Video RAM (if enabled)
$C_0000 - $D_FFFF
128 KByte
Used by PCI ROMs, Add-on
cards
$E_0000 - $F_FFFF
128 KByte
UEFI Firmware
$10_0000 - $EFFF_FFFF
Depends on available DRAM Extended RAM
$4000_0000 - $FFBF_FFFF Depends on available DRAM Dynamically used by PCI
devices
$FF80_0000 - $FFFF_FFFF 8 MByte
SPI ROM (UEFI Firmware
and descriptors)