Supermicro SYS-7046A-6 Bedienungsanleitung PDF herunterladen (Seite 41)

Chapter 5: Advanced Serverboard Setup

5-9

Memory Support

The X8DA6 supports up to 96 GB of registered ECC or up to 24 GB of unbuffered

ECC/non ECC DDR3-1333/1066/800 in 12 slots. Memory speed support is depen-

dent on the type of CPU used.

DIMM Module Population Conﬁ guration

For memory to work properly, follow the tables below for memory installation:

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 800,1066,1333 SR or DR

2 1 Reg. DDR3 ECC 800,1066 QR

2 2 Reg. DDR3 ECC 800,1066 Both SR, Both DR, or Mixed

2 2 Reg. DDR3 ECC 800 QR & SR, QR & DR, or QR only

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. (See the following Memory

Availability Table.)

Possible System Memory Allocation & Availability

System Device Size Physical Memory

Remaining (-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-MB 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

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 97 98

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