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*Note 2: Due to memory allocation to system devices, memory remaining available
for operational use will be reduced when 4 GB of RAM is used. The reduction in
memory availability is disproportional. (*See the Memory Availability Table below.)
Possible System Memory Allocation & Availability
System Device
Firmware Hub fl ash 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)
-Aligned on 256-MB boundary-
VGA Memory
TSEG
Memory available for the OS & other
applications
To Remove:
Use your thumbs
to gently push
the release tabs
near both ends of
the module. This
should release it
from the slot.
Size
Physical Memory
Remaining (-Available)
(4 GB Total System Memory)
1 MB
3.99GB
4 KB
3.99GB
2 MB
3.99GB
4 KB
3.99GB
256 MB
3.76GB
256 MB
3.51GB
512 MB
3.01GB
16 MB
2.85GB
1 MB
2.84GB
2.84GB
DIMM2 FBD
Notch
Release
Note: Notch
Tab
should align
with the
receptive point
on the slot
To Install: Insert module vertically and press down until it
snaps into place. Pay attention to the alignment notch at
the bottom.
2-7
Chapter 2: Installation
Notch
Release
Tab
2 FBD
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