IBM System x iDataPlex dx340, Problem Determination And Service Manual

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3. If an expansion enclosure is installed, remove it (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).
4. Remove the hard disk drives, if any are installed (see “Removing and installing
a hard disk drive” on page 88).
5. 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).
6. Remove the 2.5-inch hot-swap drive cage, if one is installed (see “Removing a
2.5-inch hot-swap drive cage” on page 96).
7. Remove the PCIe adapters, if any are installed (see “Removing an adapter
from the system-board tray” on page 100).
8. Remove the riser card (see “Removing a PCIe riser-card assembly from the
system-board tray” on page 115).
9. Remove the battery from the system board (see “Removing the battery” on
page 86).
10. Remove the DIMMs (see “Removing a memory module” on page 106).
11. Remove the microprocessors and heat sinks (see “Removing a microprocessor
and heat sink” on page 141).
12. If you are instructed to return the system-board tray, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
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System x iDataPlex dx340 Types 6385, 6386, 6389, 7831, 7832, and 7834: Problem Determination and Service Guide