Installing And Removing Dimms - Supermicro X7DBR-3 User Manual

*Note 2: Due to memory allocation to system devices, memory remaining avail-
able for operational use will be reduced when 4 GB of RAM is used. The reduction
in memory availability is disproportional. (Refer to the Memory Availability 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 &
other applications
To Remove:
Use your thumbs to
gently push the re-
lease tabs near both
ends of the module.
This should release
it 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

Installing and Removing DIMMs

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
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
2 FBD
2 FBD Slot