Servicing Dimms (Cru); Identifying Faulty Dimms - Oracle Sun Blade X6275 Service Manual

3.1

Servicing DIMMs (CRU)

This section describes how to diagnose and replace faulty DDR3 DIMMs and Sun
Flash Modules (FMODs). The following topics are covered:
Section 3.1.1, "Identifying Faulty DIMMs" on page 3-2
■
Section 3.1.2, "DDR3 DIMM Guidelines" on page 3-5
■
(Includes additional DDR 3 DIMM information.)
Section 3.1.3, "Removing DDR3 DIMMs" on page 3-8
■
Section 3.1.4, "Installing DDR3 DIMMs" on page 3-9
■
Section 3.1.5, "Removing Flash Modules" on page 3-11
■
Section 3.1.6, "Installing Flash Modules" on page 3-12
■
Note – CRU: These customer replaceable units can be replaced by anyone.
Caution – This procedure requires that you handle components that are sensitive to
static discharge. This sensitivity can cause the component to fail. To avoid damage,
ensure that you follow antistatic practices. See
Safety Measures" on page
3.1.1

Identifying Faulty DIMMs

The amber Service Action Required LED lights if the server module detects a DIMM
fault.
To identify faulty DIMMs:
1. Prepare the server module for service.
a. Power off both server module compute nodes.
b. Remove the server module from the Sun Blade chassis. Place it on a flat
3-2 Sun Blade X6275 Server Module Service Manual • September 2013
2-9.
See Section 2.4, "Powering Off the Server Module" on page
surface.
See Section 2.5, "Removing the Server Module From the Sun Blade Chassis" on
page 2-7.
Section 2.6.1, "Electrostatic Discharge
2-4.