System Resources; System Memory Map - Congatec XTX conga-XLX User Manual

7

System Resources

7.1 System Memory Map

Table 37
Address Range (decimal)
1296MB – 1304MB (logic)
1028MB – 1029MB (logic)
(TOM-64kB) – TOM
(TOM-24MB-64kB) – (TOM-
64kB)
896 k – 1024 k
800 k – 896 k
640 k – 800 k
639 k – 640 k
0 – 639k
Notes
T.O.M. = Top of memory = max. DRAM installed
* VGA graphics memory can be configured from 2 MB up to 254 MB in setup.
** Only if ACPI Aware OS is set to YES in setup.
*** The UMA area from C8000h – DFFFFh will only be available if Network Boot
Support and External HDD Boot Support are not used.
Copyright © 2006 congatec AG
Memory Map
Address Range (hex)
51000000 – 51800000
40400000 – 4043FFFF
N.A.
N.A.
E0000 - FFFFF
C8000 - DFFFF
A0000 - C7FFF
9FC00 - 9FFFF
00000 - 9FC00
Size
8MB
256kB
64kB
24 MB
128 kB
96 kB
160 kB
1 kB
512 kB
X800m12
Description
GeodeLink Interface Unit
VSA (Virtual System Architecture)
ACPI reclaim, MPS and NVS area **
VGA graphics memory and frame buffer *
Runtime BIOS
Upper memory***
Video memory and BIOS
Extended BIOS data
Conventional memory
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