Chapter 2: Installation
2-7
X7DCU
To Install: Insert module vertically and press
down until it snaps into place. Pay attention to the
alignment notch at the bottom.
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 ECC (Buffered) Memory
Notch
Notch
Release Tab
Release Tab
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
Top View of DDR2 ECC Slot
Release Tab
Release Tab
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