10. If an IDE hard disk drive is in IDE connector 2, remove the drive and tray (save the screws that
secure the tray to the system board); otherwise, remove the two screws near IDE connector 2
that secure the system board to the chassis.
11. Install the I/O expansion option tray, which comes with the Expansion Card. Secure the tray to
the system board using a Phillips* screwdriver and the screws from the option kit.
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SBCEFCSW/SBFCM: HMM and Troubleshooting Guide