Chapter 2: Installation
Address Extension (PAE) mode behavior which improves driver compat- ibility. For more information, please read the following article at Microsoft’s Knowledge Base website at: http://support.microsoft.com/kb/888137.
Possible System Memory Allocation & Availability
System Device
Size
Physical Memory
Remaining
(4 GB Total System Memory)
Firmware Hub flash memory (System BIOS) Local APIC
Area Reserved for the chipset
I/O APIC (4 Kbytes)
PCI Enumeration Area 1
PCI Express (256 MB)
PCI Enumeration Area 2 (if needed)
VGA Memory
TSEG
Memory available for the OS & other applications
1MB
4KB
2MB
4KB
256MB
256MB
512MB
16MB
1MB
3.99GB
3.99GB
3.99GB
3.99GB
3.76GB
3.51GB
3.01GB
2.85GB
2.84GB
2.84GB
Note : The motherboard will NOT boot if DIMM module(s) are installed in any of the Bank2 slots but none in the Bank1 slots. The first DIMM module must be installed in DIMM1A, and all Bank1 slots must be filled before populating any Bank2 slot(s).
Channel 3 Slots
Channel 2 Slots
Channel 1 Slots
DIMM3A
DIMM3B
DIMM2A
DIMM2B
DIMM1A
DIMM1B