IBM System x iDataPlex dx340, Руководство по диагностике и обслуживанию

Страница: 165 / 196

Removing a power-supply paddle card from the system-board tray
To remove a power-supply paddle card from the system-board tray, complete the
following steps.
Power-supply
paddle card
System-board tray
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 71.
2. If the system-board tray is installed in a chassis, remove it (see “Removing the
system-board tray from a 2U chassis” on page 75 or “Removing the
system-board tray from a 3U chassis” on page 77).
3. Carefully set the system-board tray on a flat, static-protective surface.
4. Remove the expansion enclosure, if one is installed, and set it on a flat,
static-protective surface (see “Removing an expansion enclosure from a
system-board tray” on page 73); otherwise, remove the system-board tray
cover (see “Removing the system-board tray cover” on page 121).
5. If DIMMs are installed in DIMM slot 30 or slot 31, remove the DIMMs (see
“Removing a memory module” on page 106). For the locations of the DIMM
connectors, see “System-board connectors” on page 7.
6. If any 3.5-inch simple-swap drives are installed in the system-board tray,
complete the following steps:
a. Remove the 3.5-inch drives (see “Removing a 3.5-inch simple-swap hard
disk drive” on page 90).
b. Note the cable routing of the hard disk drive bracket and cable assembly
cables; then, disconnect the cables.
c. Remove the hard disk drive bracket and cable assembly (see “Removing
and installing a one-bay or four-bay hard disk drive bracket and cable
assembly” on page 108).
7. Make a note of where cables are attached to the power-supply paddle card;
then, disconnect them.
8. Remove the four screws that secure the power-supply paddle card to the
system-board tray and save them for future use.
9. Lift the power-supply paddle card out of the system-board tray.
10. If you are instructed to return the power-supply paddle card, follow all
packaging instructions, and use any packaging materials for shipping that are
supplied to you.
Chapter 4. Removing and replacing server components
149