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Sun Microsystems 1500 User Manual

Page 13

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Chapter 11

Replacing the Motherboard and Associated Components

11-45

FIGURE 11-42

Removing Cables From the Routing Clips

9. Disconnect the power and signal cables.

Disconnect the following power and signal cables from the corresponding
motherboard connectors and set them out of the way of the motherboard. See

FIGURE 11-41

.

Power supply cables at connectors

PS0

,

PS1

, and

PS2

IDE power at connector

IDE PWR

Power button at connector

J24 SW0

Front fan at connector

FAN0 SYS

Rear fan at connector

FAN1 SYS

(if the rear fan was not removed)

Front audio at connector

J13 AUDIO

Speaker at connector

SPK0

10. Disconnect the interface cables.

Disconnect the following interface cables from the corresponding motherboard
connectors and set them out of the way of the motherboard. See

FIGURE 11-41

.

Smart card reader at connector

SCR0

Hard drive at connector

IDE PRI

DVD-ROM drive at connector

IDE SEC

Front USB at connector

J19 USB

11. Remove the motherboard fastening screws.

Use the Phillips screwdriver to remove the nine (9) screws which fasten the
motherboard to the chassis. See

FIGURE 11-43

. Set the screws aside, preferably in a

container.

Routing clip

Power
supply
cables

Routing
clip

Cables