Sun Microsystems 1500 User Manual

EXAMPLE DOCUMENT

Service, Diagnostics, and

Troubleshooting Manual

Sun Blade™ 1500

Sun Microsystems, Inc.
4150 Network Circle
Santa Clara, CA 95054 U.S.A.
650-960-1300

Part No. 816-7564-10
April 2003, Revision A

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DIMM ejector levers (8)

DIMM gold edge

DIMM slots (4)

DIMM3
DIMM2
DIMM1
DIMM0

DIMM

FIGURE 11-1 DIMM Location and Identification

Depending upon the configuration of your workstation, you can either add or
replace memory. In either case, the new DIMMs must meet the Sun workstation
requirements.

TABLE11-1 DIMM Configurations

Memory Installed DIMMs Configuration

512 MB memory 2 x 256MB DIMMs Standard
1GB memory 2 x 512MB DIMMs Standard
2GB memory 2 x 1GB DIMMs Optional

TABLE 11-1 lists the acceptable DIMM pair configurations.

When your workstation boots up, the OpenBoot PROM checks for compatible
memory modules. Refer to “OpenBoot PROM” on page 8-1 for additional
information.

If you are not removing an existing DIMM, proceed to “Installing DIMMs” on
page 11-8.

11.1.2 Removing DIMMs

1. Power off the system, open and position the chassis.

Refer to:

■ “Powering Off the Workstation” on page 10-4

Chapter 11 Replacing the Motherboard and Associated Components 11-3

You can also view an animated version of these instructions by clicking on
this film icon.

13.3.1 Identifying the Rear Fan

The front and rear fans on the Sun Blade 1500 workstation are contained in green
brackets. Both fans must be operating to adequately cool the components in a closed
chassis. Both fans are connected to the motherboard with a cable that carries power
and signal.

Note – Though similar in appearance, the front and rear fan brackets are not

interchangeable.

FIGURE 13-14 shows the location of and identifies the rear fan.

Tabs (4)

Catch

FIGURE 13-14 Rear Fan Location and Identification

Latch

Gap

Connector

FAN1 SYS

Gap

Chapter 13 Replacing Chassis Components 13-15

Smart card reader
cable

Smart card reader

Drive rails

Connector SCR0

FIGURE 12-13 Smart Card Reader Location and Identification

12.3.2 Removing the Smart Card Reader

1. Power off the system, open the chassis, and remove the bezel.

Refer to:

■ “Powering Off the Workstation” on page 10-4

■ “Removing the Access Panel” on page 10-12

■ “Removing the Bezel” on page 10-14

2. Locate the smart card reader.

The smart card is installed on a smart card reader bracket that fits into the top slot of
the removable media bay. See

3. Disconnect the interface cable from the motherboard.

The cable is connected on the motherboard at SCR0. See

FIGURE 12-13.

Smart card reader
bracket

FIGURE 12-14.

12-16 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • April 2003

14.2.1 Identifying the DVD-ROM Drive Interface Cable

The DVD-ROM has separate power and interface cables. The power cable is a Y
cable that connects to the motherboard at IDE PWR and the other ends to the hard
drives and DVD-ROM drive. The interface cable connects the DVD-ROM drive to
the motherboard at IDE SEC. The interface cable is a 40-conductor ribbon cable that
is routed through the chassis.
connections.

Note – The instructions in this section apply to any removable media drive, such as

a CD-ROM, tape, or DVD-ROM drive.

FIGURE 14-5 shows the DVD-ROM drive interface cable

DVD-ROM drive

DVD-ROM drive
interface cable

Connector IDE SEC

FIGURE 14-5 DVD-ROM Drive Interface Cable Connection

14.2.2 Removing the DVD-ROM Drive Interface Cable

1. Power off the system and open the chassis.

Refer to:

■ “Powering Off the Workstation” on page 10-4

■ “Removing the Access Panel” on page 10-12

Chapter 14 Replacing Internal Cables 14-7