Intel SC450NX Product Guide - Page 22

Memory, SC450NX MP server.

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Memory Main memory resides on an add-in board, called a memory module, designed specifically for the SC450NX MP server. The memory module contains slots for 16 DIMMs, each of which must be at least 32 MB, and is attached to the baseboard through a 242-pin connector. Memory amounts from 128 MB to 4 GB of DIMM are supported, with a 64/72-bit four-way-interleaved pathway to main memory, which is also located on the module. The 16 slots are divided into four banks of four slots each, labeled A through D. These banks support 4:1 interleaving. The memory controller supports EDO DRAMs. The ECC used for the memory module is capable of correcting single-bit errors (SBEs) and detecting 100 percent of double-bit errors over one code word. Nibble error detection is also provided. E J16 J15 D J14 J13 J12 J11 C J10 J9 J8 J7 B J6 J5 J4 J3 A J2 J1 Figure 7. Memory Module DIMM Installation Sequence A. Memory bank A (install first) B. Memory bank B (install second) C. Memory bank C (install third) D. Memory bank D (install last) E. Memory module connector OM08009 22

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22
Memory
Main memory resides on an add-in board, called a memory module, designed specifically for the
SC450NX MP server.
The memory module contains slots for 16 DIMMs, each of which must be
at least 32 MB, and is attached to the baseboard through a 242-pin connector.
Memory amounts
from 128 MB to 4 GB of DIMM are supported, with a 64/72-bit four-way-interleaved pathway to
main memory, which is also located on the module.
The 16 slots are divided into four banks of
four slots each, labeled A through D.
These banks support 4:1 interleaving.
The memory
controller supports EDO DRAMs.
The ECC used for the memory module is capable of correcting
single-bit errors (SBEs) and detecting 100 percent of double-bit errors over one code word.
Nibble
error detection is also provided.
J16
J15
J12
J11
J8
J7
J3
J4
J14
J13
J10
J9
J6
J5
J1
J2
D
C
B
A
E
OM08009
Figure 7.
Memory Module DIMM Installation Sequence
A.
Memory bank A (install first)
B.
Memory bank B (install second)
C.
Memory bank C (install third)
D.
Memory bank D (install last)
E.
Memory module connector