Servicing Dimms; Dimm Layout And Population Rules - Oracle SPARC S7-2 Service Manual

Servicing DIMMs

The server supports a variety of DDR4 DIMM configurations that can include quad-rank (QR),
dual-rank (DR), and single-rank (SR) DDR4 DIMMs.
Caution -
avoid component damage. These procedures require that you handle components that are
sensitive to electrostatic discharge. This sensitivity can cause the components to fail.
Caution -
DIMMs, or damage to the DDR4 DIMMs might occur. You must disconnect all power cables
from the system before performing these procedures.
These topics and procedures provide information to assist you when replacing a DIMM or
upgrading DIMMs:
"DIMM Layout and Population Rules" on page 75
■
"Identify and Remove a Failed DIMM" on page 76
■
"Install a DIMM" on page 78
■
"Verify a DIMM" on page 80
■
Related Information
"Identify Faulted Components" on page 22
■
"Preparing for Service" on page 33
■

DIMM Layout and Population Rules

The physical layout of the DIMMs and processors is shown in the following figure. When
viewing the server from the front, processor 0 (P 0) is on the left.
Follow antistatic practices as described in
Ensure that all power is removed from the server before removing or installing DDR4
"Prevent ESD Damage" on page 41
Servicing DIMMs
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