NEC 140He - Manual (Page 303)

9-45
DIMM
Install an additional DIMM (Dual Inline Memory Module) in a DIMM socket on the memory board in the server.
DIMMs are installed on the sockets in the ascending order of DIMM socket numbers in the unit of two modules.
NOTE: Up to 8 GB of memory (2 GB DIMM × 4) can be installed.
DIMM slot 4
DIMM slot 3
DIMM slot 2
DIMM slot 1
* DIMM specification is shown on the label attached to the DIMM as follows:
Example: Frequency of 400 MHz, buffered, capacity of 1GB, row
address of 14 bits, column address of 11 bits, and
single rank
2-400 / B / 1024 / R14 C11 S
Single rank
Column address
Row address
Capacity
Buffered / Registered
Frequency
IMPORTANT: The last digit character indicates the symbol representing either of single
rank (S) or dual rank (D).
If DIMMs of single rank and dual rank are installed on the same memory board, be sure to
install the DIMM of dual rank in DIMM Group #1 (DIMM slots 1 and 2). Otherwise, the
system will fail to start.