Servicing The Sas Expander Board; Remove The Sas Expander Board - Sun Oracle Sun Fire X4270 M2 Service Manual

5.2

Servicing the SAS Expander Board

Caution – Ensure that all power is removed from the server before removing or
installing the SAS expander board. You must disconnect the power cables before
performing these procedures.
5.2.1

Remove the SAS Expander Board

1. Prepare the server for service.
a. Power off the server and disconnect the power cord (or cords) from the power
b. Extend the server to the maintenance position.
c. Attach an antistatic wrist strap.
d. Remove the top cover.
e. If you are removing the SAS expander board from a server with 2.5-inch
2. Remove fan modules 1 through 4, leaving fan modules 0 and 5 in place.
See
3. Remove the SAS expander board (
a. Locate the SAS expander board [1].
b. To gain access the SAS expander board, press the latch release on the disk
supply (or supplies).
See Section 2.4.2, "Power Off the Server" on page
See Section 2.6, "Extending the Server to the Maintenance Position" on
page 2-26.
See Section 2.9, "Performing Electrostatic Discharge and Antistatic Prevention
Measures" on page 2-31.
See Section 2.10, "Removing the Server's Top Cover" on page
storage drives, remove the server's front cover.
See Section 2.11, "Removing the Front Cover From a Server with 2.5-Inch
Storage Drives" on page
Section 3.3.4, "Remove Fan Module" on page
expander access door on the fan board and open the door [2].
2-35.
).
FIGURE 5-2
Chapter 5 Servicing Infrastructure Components
2-4.
2-33.
3-13.
5-3