Supero SuperWorkstation 7045A-WT User Manual page 42

S W
uper orkstation 7045A-WT User's Manual
Notes: Due to OS limitations, some operating systems may not show more than
4 GB of memory.
Due to memory allocation to system devices, memory remaining available for op-
erational use will be reduced when 4 GB of RAM is used. The reduction in memory
availability is disproportional. Refer to the table below for details.
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 to OS and other ap-
plications
To Install: Insert module vertically and press down until it snaps into place. Pay attention to the bottom
notches.
To Remove: Use your thumbs to gently push each release tab outward to free the DIMM from the
slot.
Possible System Memory Allocation & Availability
Size
1 MB
4 KB
2 MB
4 KB
256 MB
256 MB
512 MB
16 MB
1 MB
Figure 5-3. DIMM Installation
DDR2 FBD DIMM
5-10
Physical Memory
Remaining (-Available)
(4 GB Total System Memory)
3.99
3.99
3.99
3.99
3.76
3.51
3.01
2.85
2.84
2.84