Chapter 2: Installation
2-9
Possible System Memory Allocation & Availability
System Device Size Physical Memory
Remaining (-Available)
(4 GB Total System Memory)
Firmware Hub 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
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 rst DIMM module must be
installed in DIMM1A, and all Bank1 slots must be lled before populating any
Bank2 slot(s).
Channel 1 Slots