Vig395P Motherboard Manual
19
Note:
Due to memory allocation to system devices, memory remaining available for
operational use will be reduced when 4GB of RAM is used. The reduction in memory
availability is disproportional. (Refer to Memory Availability Table below for details.)
Table 6:
Memory Allocation & Availability
Possible System Memory Allocation & Availability
System Device
Size
Physical Memory Remaining
(-Available) (3 GB Total
System Memory)
Physical Memory
Remaining (-Available) (4
GB Total System Memory)
Firmware Hub flash memory
(System BIOS)
1MB 3.00
3.99
Local APIC
4 KB
3.00
3.99
Area Reserved for the chipset
2 MB
3.00
3.99
I/O APIC (4 Kbytes)
4 KB
3.00
3.99
PCI Enumeration Area 1
256 MB
3.00
3.76
PCI Express (256 MB)
256 MB
3.00
3.51
PCI Enumeration Area 2 (if
needed)- Aligned on 256MB
boundary
512 MB
3.00
3.01
VGA Memory
16 MB
2.85
2.85
TSEG 1MB
2.84
2.84
Memory available to BIOS,
OS, applications
2.84
2.84
