Supermicro SuperServer 1027R-WC1R Bedienungsanleitung PDF herunterladen (Seite 58)

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SUPERSERVER 1027R-WC1R/1027R-WC1RT User's Manual

Notes:

Using DDR3 DIMMs with different operating frequencies is not allowed. All channels

in a system will run at the lowest common frequency.

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 re-

duction in memory availability is disproportional. See the following table for details.

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

Local APIC 4 KB 3.99

Area Reserved for the chipset 2 MB 3.99

I/O APIC (4 Kbytes) 4 KB 3.99

PCI Enumeration Area 1 256 MB 3.76

PCI Express (256 MB) 256 MB 3.51

PCI Enumeration Area 2 (if needed) -Aligned on 256-

MB boundary-

512 MB 3.01

TSEG 1 MB 2.84

Memory available to OS and other applications 2.84

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 119 120

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Supermicro SuperServer 1027R-WC1R Bedienungsanleitung Seite 58