Lenovo ThinkServer RD220 3797 Series Installation And User Manual page 96

To remove the SAS controller from a SAS riser card, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Turn off the server and peripheral devices and disconnect all power cords and
3. Remove the cover (see "Removing the cover" on page 37).
4. Locate the SAS riser-card and controller assembly near the left front corner of
5. Disconnect the SAS signal cables from the connectors on the SAS controller.
6. Remove the SAS controller assembly, which includes the SAS riser card, from
7. Press down the retention bracket 2 and pull the SAS controller horizontally
8. If you are replacing the SAS controller with another supported SAS controller,
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ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Installation and User Guide
on page 33.
external cables (see "Turning off the server" on page 31).
the server.
the server (see "Removing the SAS riser card and controller assembly" on page
77).
12-drive-capable server model:
1
SAS riser card
2
SAS controller
3
Release tab
Tape-enabled server model:
1 out of the connector on the SAS riser card 3 .
continue with "Installing a SAS controller on the SAS riser card" on page 81.