Sun Microsystems SUN BLADE 150 User manual

Sun Blade™ 150
DIMM Installation Guide

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Copyright 2003 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, California 95054, U.S.A.
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1
InstallingDIMMsinthe
SunBlade150System
Verifying the Current DIMM Configuration
Before you start to install additional DIMMs, perform the following
procedures.
1. Reboot your system.
The banner screen is displayed at the top of your monitor screen as
your system reboots (FIGURE 1).
2. Read the banner screen on your monitor to verify the amount of
memory already installed in your system.
Note – The Sun Blade 150™ system reports the CPU as an
UltraSPARC™ IIe processor. The CPU in your system is an
UltraSPARC IIi processor.

2
FIGURE 1 Banner Screen Example
Supported DIMM Configurations
You can install one, two, three, or four DIMMs.
The first DIMM must be installed in slot 1.
Subsequent DIMMS must be installed in order. Do not leave empty
DIMM slots between filled DIMM slots.
Preparing for Installation
Before installing any components, you must power off the system,
remove the system cover, and attach an antistatic wrist strap.
Powering Off the System
1. Exit from any applications that are running.
2. Choose one of the two power-off methods, orderly or immediate:
■To perform an orderly power off:
a. Press the power switch and immediately release it (FIGURE 2).
Sun Blade 150, UltraSPARC-IIe 650 MHz, Keyboard Present.
Copyright 1998-2003 Sun Microsystems, Inc. All rights reserved.
OpenBoot 4.6, 128 MB memory installed, Serial #54528.
Ethernet address 8:0:20:1a:b3:c8, Host ID: 7200d500.

3
The system shutdown menu is displayed.
b. Select Shutdown.
The system performs internal shutdown procedures.
■To perform an immediate power off, press and hold the power
switch for four seconds before releasing it.
Caution – The immediate power-off method does not
perform an orderly shutdown of the operating system and
data might be lost.
3. Verify that the power-indicator LED on the power switch turns
off.
4. Turn off power to the monitor and to all external devices.
Removing the System Cover
1. Disconnect the system power cord to ensure that all power is
removed from the system (FIGURE 2).
2. Disconnect any cables that are attached to external devices, such
as the monitor, keyboard, and mouse.
!

4
Caution – Pressing the power switch does not remove all
power from the system. A standby voltage remains in the
power supply. To remove all power from the system, you
must disconnect the system power cord.
3. At the system back panel, remove the two screws that secure the
cover.
4. Slide the cover back to the end of the system chassis and lift the
cover off.
Attaching an Antistatic Wrist Strap
Caution – When handling DIMMs or other internal
components, always wear an antistatic wrist strap to
equalize all electrical potentials within the system.
1. Unwrap the first two folds of the wrist strap and wrap the
adhesive side firmly against your wrist.
2. Peel the liner from the copper foil at the opposite end of the
wrist strap.
3. Attach the copper foil end of the wrist strap to the system chassis
to provide a ground for electrostatic discharge (FIGURE 2).
!

5
FIGURE 2 Preparing for DIMM Installation
Power switch

6
Installing the DIMMs
Note – For maximum performance, the DIMMs in the Sun
Blade 150 system have been specifically designed for it. Do
not use DIMMs from a different system to upgrade or
replace the DIMMs in this system. Verify with your Sun
sales or service representative that the DIMMs you order
have been certified by Sun for the Sun Blade 150 system.
1. Power off the system, remove the cover, and attach an antistatic
wrist strap as described in “Preparing for Installation” on page 2.
Caution – DIMMs are extremely sensitive to static
electricity. Ordinary amounts of static electricity from
clothing or the work environment can destroy or damage
DIMMs.
Caution – Hold DIMMs only by the edges to avoid
damaging them (FIGURE 3).
!
!

7
FIGURE 3 Unpacking the DIMM
2. Push apart the ejection levers at each end of an empty DIMM
connector on the motherboard (FIGURE 5).
3. Unpack the DIMM, holding it only by the edges (FIGURE 3).
Note – When installing additional DIMMs, first fill slot 1
(the connector closest to the motherboard edge), then fill
towards the CPU (FIGURE 4).
4. Position the DIMM in the connector, ensuring that the alignment
notches on the bottom of the DIMM are aligned with the
connector alignment keys (FIGURE 5).

8
5. Press firmly on both top corners of the DIMM at the same time
until the DIMM is fully seated.
Caution – Seating the DIMM into a slot unevenly can cause
short circuits that damage the system. Ensure that all
contacts engage at the same time. Do not rock the DIMM
into place. You should hear a “click” when the DIMM is
properly seated (FIGURE 5).
6. Verify that the ejection levers close over the notches on both ends
of the DIMM.
!

9
FIGURE 4 DIMM Installation Order
4321

10
FIGURE 5 Correct DIMM Insertion
7. Repeat Steps 3 through 6 until you are finished installing the
additional DIMMs.
8. Complete the next section, “Finishing Component Installation”
on page 10.
Finishing Component Installation
1. Reconnect the system power cord (FIGURE 2).
2. Remove your antistatic wrist strap from the chassis.
3. Replace the system cover onto the system chassis.
4. Align the cover tabs with the slots on the system chassis, then
slide the cover toward the front of the system until the front
cover tabs lock.
Alignment
notch

11
5. Replace the two screws that secure the rear of the cover to the
system chassis.
6. Reconnect the monitor cable and cables from any other external
devices to the system.
Verifying That the System Recognizes the New
DIMMs
1. Turn on power to the monitor and to all external devices.
2. Press the system power switch on the front panel and release it.
3. After several seconds, verify that the power-indicator LED on the
power switch is lit and listen to verify that the system fans are
spinning.
The power-indicator LED on the power switch illuminates after the
system begins the internal booting process.
4. Check the banner screen on your monitor to verify that the
system recognizes the additional memory.
The banner screen is displayed on the monitor a few seconds after
you power on the system (FIGURE 1). The banner should now
report the total megabytes of memory for all the installed DIMMs.

12
Troubleshooting Installed DIMMs
If your system banner does not indicate the correct amount of memory
installed, perform these procedures.
1. Power off the workstation, remove the cover, attach an antistatic
wrist strap, and disconnect the power cord.
2. Verify that the DIMMs are firmly and evenly pressed into the
connectors and the ejection levers are closed.
3. Verify that the DIMMS are installed in the correct order. See
FIGURE 4.
4. Close and power on the workstation as described in “Finishing
Component Installation” on page 10.
Additional Information About Sun Blade 150
System DIMMs
The Sun Blade 150 Service Manual, 816-4379, contains information on
DIMMs in the following sections:
■Chapter 4, “Troubleshooting”
■Chapter 8, “Removing and Replacing Components”
■Appendix C, Section C.9, “Memory Architecture”
Updates to all Sun Blade 150 documents can be found in the Sun Blade
150 Product Notes, 816-1163.

13
Accessing Sun Blade 150 Documentation
You can view, print, or purchase a broad selection of Sun
documentation, including localized versions, at:
http://www.sun.com/documentation/
Contacting Sun Technical Support
If you have technical questions about this product that are not
answered in this document or other Sun Blade 150 workstation
documents go to:
http://www.sun.com/service/contacting/
Sun Welcomes Your Comments
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comments and suggestions. You can submit your comments by going
to:
http://www.sun.com/hwdocs/feedback/
Please include the title and part number of your document with your
feedback:
Sun Blade 150 DIMM Installation Guide, part number 816-5370-11.

14

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Part Number: 816-5370-11
April 2003, Revision A