Datasheet
Chapter 2: Installation
2-7
To Install: Insert module vertically and press 
down until it snaps into place. Pay attention to the 
alignment notch at the bottom.
Figure 2-2. Installing and Removing DIMMs 
To Remove:
Use your thumbs to 
gently push the re-
lease tabs near both 
ends of the module 
to release it from the 
slot.
DDR2 DIMM
Top View of DDR2 Slot
Possible System Memory Allocation & Availability
System Device Size Physical Memory 
Remaining (-Available)
(4 GB Total System Memory)
Firmware Hub fl ash 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 Kbytes) 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
X7DCL-3/i










