Xerox 4540 Service Manual - Page 183

DIMM population rules for the X4540, Only PC3200 ECC Registered DIMMs are supported.

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■ Each CPU supports a maximum of four DIMMs. ■ Each pair of DIMMs must be identical (same manufacturer, size, and speed). ■ DIMM slots are paired and the DIMMs must be installed in pairs (0 and 1, 2 and 3). See FIGURE 3-29. The memory sockets are colored black or white to indicate which slots are paired by matching colors. ■ CPUs with only a single pair of DIMMs must have those DIMMs installed in that CPU's white DIMM slots (0 and 1). See FIGURE 3-29. ■ Only PC3200 ECC Registered DIMMs are supported. TABLE 3-16 Supported DIMM Configurations - X4500 Slot 0 2 GB 2 GB Slot 1 2 GB 2 GB Slot 2 0 2 GB Slot 3 0 2 GB Total Memory Per CPU 4 GB 8 GB DIMM population rules for the X4540: ■ Each pair of DIMMs must be identical (same manufacturer, part number, size, and speed). ■ DIMMs must be installed in pairs. Slots are colored-coded black or white to indicate which slots are paired by matching colors. See FIGURE 3-24. ■ DIMMs must be installed in the pair of slots furthest from the CPU first, then additional DIMMs must be installed successively in the next pairs of slots: 6 and 7, 5 and 4, 2 and 3, then 0 and 1. ■ CPUs with only a single pair of DIMMs must have those DIMMs installed in that CPU's DIMM slots (6 and 7). ■ Only DDR-2 667 PC5300 DIMMs are supported. ■ Each CPU supports a maximum of eight DIMMs. ■ Total memory per CPU ranges from 2 GB (1 GB x 2 DIMMs) to 32 GB (4 GB x 8). TABLE 3-17 Supported DIMM Configurations (X4540) Slot 0 4 GB 4 GB 4 GB 4 GB 4 GB Slot 1 4 GB 4 GB 4 GB 4 GB 4 GB Slot 2 Slot 3 0 0 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB Slot 4 Slot 5 Slot 6 Slot 7 0 0 0 0 0 0 0 0 4 GB 4 GB 0 0 4 GB 4 GB 0 0 4 GB 4 GB 4 GB 4 GB Total Memory Per CPU 4 GB 16 GB 24 GB 24 GB 32 GB Chapter 3 Maintaining the Sun Fire X4500 and X4540 Servers 3-63

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Chapter 3
Maintaining the Sun Fire X4500 and X4540 Servers
3-63
■
Each CPU supports a maximum of four DIMMs.
■
Each pair of DIMMs must be identical (same manufacturer, size, and speed).
■
DIMM slots are paired and the DIMMs must be installed in pairs (0 and 1,
2 and 3). See
FIGURE 3-29
. The memory sockets are colored black or white to
indicate which slots are paired by matching colors.
■
CPUs with only a single pair of DIMMs must have those DIMMs installed in
that CPU’s white DIMM slots (0 and 1). See
FIGURE 3-29
.
■
Only PC3200 ECC Registered DIMMs are supported.
DIMM population rules for the X4540:
■
Each pair of DIMMs must be identical (same manufacturer, part number, size,
and speed).
■
DIMMs must be installed in pairs. Slots are colored-coded black or white to
indicate which slots are paired by matching colors. See
FIGURE 3-24
.
■
DIMMs must be installed in the pair of slots furthest from the CPU first, then
additional DIMMs must be installed successively in the next pairs of slots: 6
and 7, 5 and 4, 2 and 3, then 0 and 1.
■
CPUs with only a single pair of DIMMs must have those DIMMs installed in
that CPU’s DIMM slots (6 and 7).
■
Only DDR-2 667 PC5300 DIMMs are supported.
■
Each CPU supports a maximum of eight DIMMs.
■
Total memory per CPU ranges from 2 GB (1 GB x 2 DIMMs) to 32 GB (4 GB x 8).
TABLE 3-16
Supported DIMM Configurations — X4500
Slot 0
Slot 1
Slot 2
Slot 3
Total Memory Per CPU
2 GB
2 GB
0
0
4 GB
2 GB
2 GB
2 GB
2 GB
8 GB
TABLE 3-17
Supported DIMM Configurations (X4540)
Slot 0
Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Total Memory Per CPU
4 GB
4 GB
0
0
0
0
0
0
4 GB
4 GB
4 GB
4 GB
4 GB
0
0
0
0
16 GB
4 GB
4 GB
4 GB
4 GB
4 GB
4 GB
0
0
24 GB
4 GB
4 GB
4 GB
4 GB
4 GB
4 GB
0
0
24 GB
4 GB
4 GB
4 GB
4 GB
4 GB
4 GB
4 GB
4 GB
32 GB