Oracle X5-2L Service Manual page 211

See "Remove the DVD Drive" on page
6. Disconnect the power cable from the motherboard to the rear storage drive
backplane [1].
See "Servicing the Front and Rear Storage Drive Backplanes (FRU)" on page
7. Disconnect the ribbon cables from the left front LED indicator module and right
front LED/USB indicator module [1].
See "Servicing the Front LED/USB Indicator Modules (FRU)" on page
Disconnecting Cables From the Motherboard Assembly
FIGURE 79
188.
Remove the Motherboard Assembly
146.
193.
Servicing FRUs 211