Datasheet
Chapter 2: Installation
2-7
Intro
d
®
JLAN1
S
UPER X7DB8+
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 release tabs
near both ends of
the module. This
should release it
from the slot.
®BD
Note: Notch
should align
with the
receptive point
on the slot
Notc
Notc
R
R
DI ® BD
*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 Size Physical Memory
Remaining (-Available)
(4 GB Total System Memory)
Firmware Hub fl ash memory (Syste BIOS) 1 MB 3.99GB
Local APIC 4 KB 3.99GB
Area Reserved for the chipset 2 MB 3.99GB
I/O APIC (4 Kbytes) 4 KB 3.99GB
PCI Enumeration Area 1 256 MB 3.76GB
PCI Express (256 MB) 256 MB 3.51GB
PCI Enumeration Area 2 (if needed)
-Aligned on 256-MB boundary-
512 MB 3.01GB
VGA Memory 16 MB 2.85GB
TSEG 1 MB 2.84GB
Memory available for the OS & other
applications
2.84GB