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Chapter 5: Advanced Serverboard Setup
DIMM Module Population Confi guration
For memory to work properly, follow the tables below for memory installation:
5-9
Note 1
: Due to OS limitations, some operating systems may not show more than
4 GB of memory.
Note 2
: Due to memory allocation to system devices, the amount of memory that
remains available for operational use will be reduced when 4 GB of RAM is used.
The reduction in memory availability is disproportional.
DIMM Population Table
DIMM
Slots per
Channel
DIMMs
Populated
per
Channel
DIMM Type (Reg.=
Registered)
Speeds (in MHz)
Ranks per
DIMM (any
combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)
2
1
Reg. DDR3 ECC
1066,1333
SR or DR
2
1
Reg. DDR3 ECC
1066,1333
QR
2
2
2
1
Reg. DDR3 ECC
Unb. DDR3 ECC
1066
1066,1333
Mixing SR, DR, QR
SR or DR
2
2
Unb. DDR3 ECC
1066,1333
Mixing SR, DR
Possible System Memory Allocation & Availability
System Device
Size
Physical Memory Available
(4 GB Total System
Memory)
Firmware Hub fl ash memory (System BIOS)
1 MB
3.99 GB
Local APIC
4 KB
3.99 GB
Area Reserved for the chipset
2 MB
3.99 GB
I/O APIC (4 Kbytes)
4 KB
3.99 GB
PCI Enumeration Area 1
256 MB
3.76 GB
PCI Express (256 MB)
256 MB
3.51 GB
PCI Enumeration Area 2 (if needed) -Aligned on 256-M
boundary-
512 MB
3.01 GB
VGA Memory
16 MB
2.85 GB
TSEG
1 MB
2.84 GB
Memory available for the OS & other applications
2.84 GB
Содержание A+ SERVER 2022TG-HIBQRF
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