4-30 Sun Fire X2100 Server User Guide • April 2007
4.5.9 Dual Inline Memory Modules
This section contains the DIMM population rules for configuring the memory in
your Sun Fire X2100 Server:
“DIMM Population Rules” on page 30
This section also contains the following procedures:
■ “Detecting Faulty DIMMs” on page 31
■ “Removing a DIMM” on page 31
■ “Installing a DIMM” on page 33
4.5.9.1 DIMM Population Rules
The following rules apply when configuring memory in your Sun Fire X2100 Server.
■ The Sun Fire X2100 Server contains four DIMM slots, numbered DIMM1, DIMM2,
DIMM3, and DIMM4. DIMM1 is the slot closest to the CPU.
■ The four slots are divided into two banks, Bank0 and Bank1. Bank0 is comprised
of DIMM slots 1 and 2, and Bank1 is comprised of DIMM slots 3 and 4.
■ The DIMM slots are color-coded. The Bank0 slots are blue, and The Bank1 slots
are black.
■ When configuring the memory slots, populate the blue slots first, before
populating the black slots.
■ The system supports 1, 2, or 4 DIMM configurations.
■ When configuring for 2 or 4 DIMMs, the DIMMs must be installed as matched
pairs. The two DIMMs in a bank must be identical (same size, type, and
manufacturer).
Supported DIMM size and type:
■ Supported DIMM sizes are: 512 MB, 1 GB, and 2 GB.
■ Supported DIMM type is: DDR1/400 Unbuffered ECC (128 bit plus ECC
databus).
Minimum and Maximum Memory Configurations:
■ The minimum memory configuration is 512 MB, one 512 MB DIMM in slot1.
■ The maximum memory configuration is 8 GB, four 2 GB DIMMs, one 2 GB DIMM
in each slot.
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