Chapter 2: Installation
2-9
4 GB of RAM is used. The reduction in memory availability is dispropor-
tional. (See the following Memory Availability Table.)
Possible System Memory Allocation & Availability
System Device Size Physical Memory
Remaining (-Available) (4 GB Total System
Memory)
Firmware Hub fl ash memory (System
BIOS)
1 MB 3.99 GB
Local APIC 4 KB 3.99 GB
Area Reserved for the chipset 2 MB 3.99 GB
I/O APIC (4 Kbytes) 4 KB 3.99 GB
PCI Enumeration Area 1 256 MB 3.76 GB
PCI Express (256 MB) 256 MB 3.51 GB
PCI Enumeration Area 2 (if needed)
-Aligned on 256-MB boundary-
512 MB 3.01 GB
VGA Memory 16 MB 2.85 GB
TSEG 1 MB 2.84 GB
Memory available for the OS & other
applications
2.84 GB
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