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S
S
UPER
ERVER 5016T-MRB/5016T-MR-LN4B User's Manual
Memory Support
The X8STi/X8STi-LN4 supports up to 24 GB of unbuffered ECC or non-ECC DDR3
1333/1066/800 in 6 DIMM slots. Populating the DIMM slots with a pair (or pairs) of
memory modules of the same type and size will result in interleaved memory, which
will improve memory performance.
When populating, install DIMMs to the "A" slots fi rst. Install to the "B" slots only
after all the "A" slots are populated: 1A, 2A, 3A, 1B, 2B, 3B.
Maximum Memory Possible
Single Rank UDIMMs - 12GB (6x 2GB DIMMs), Dual Rank UDIMMs - 24GB (6x
4GB DIMMs)
•
Both unbuffered ECC and non-ECC DIMM modules are supported by the
motherboard. Using ECC or non-ECC memory on your motherboard depends
on the CPU installed.
•
Due to OS limitations, some operating systems may not show more than 4 GB
of memory.
•
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. Refer to the
table below.
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
Possible System Memory Allocation & Availability
Size
1 MB
4 KB
2 MB
4 KB
256 MB
256 MB
512 MB
16 MB
1 MB
5-10
Physical Memory Remaining
(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
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