Supero SUPERSERVER 1026T-URF User Manual page 59

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. (Refer to the Memory Availability Table below for details.)
Possible System Memory Allocation & Availability
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 System BIOS & OS applications
DIMM DIMMs
Slots per Populated
Channel per Channel
2 1
2 1
2 2
2 2
To Install: Insert module
vertically and press
down until it snaps into
place. Pay attention to
the alignment notch at
the bottom.
To Remove:
Use your thumbs to
gently push the release
tabs near both ends of
the module. This should
release it from the slot.
Chapter 5: Advanced Serverboard Setup
DIMM Population Table
DIMM Type (Reg.=
Registered)
Reg. DDR3 ECC
Reg. DDR3 ECC
Reg. DDR3 ECC
Reg. DDR3 ECC
Figure 5-3. Installing DIMM into Slot
Notch
Release Tab
Top View of DDR3 Slot
5-9
Size Physical Memory Remaining
(4 GB Total System
Memory)
1 MB 3.99
4 KB 3.99
2 MB 3.99
4 KB 3.99
256 MB 3.76
256 MB 3.51
512 MB 3.01
16 MB 2.85
1 MB 2.84
2.84
Speeds (in MHz) Ranks per DIMM
(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
800,1066,1333 SR or DR
800,1066 QR
800,1066 Mixing SR, DR
800 Mixing SR, DR,QR
Front View
Note: Notch should align
with the receptive key
point on the slot.
Notch
Release Tab