© National Instruments
|
B-17
compatibility. For more information, refer to the Microsoft knowledgebase article
at
http://support.microsoft.com/kb/888137
.
Table B-14.
Possible System Memory Allocation and Availability
System Device
Size
Physical Memory Available
(4 GB Total System Memory)
Firmware hub flash memory
(system BIOS)
1 MB
3.99
Local APIC
4 KB
3.99
Area reserved for the chipset
2 MB
3.99
I/O APIC (4 KB)
4 KB
3.99
PCI enumeration area 1
256 MB
3.76
PCI Express (256 MB)
256 MB
3.51
PCI enumeration area 2 (if needed)
(aligned on 256 MB boundary)
512 MB
3.01
VGA memory
16 MB
2.85
TSEG
1 MB
2.84
Memory available to OS and other
applications
—
2.84