Lenovo System x3850 X6 Installation And Service Manual page 260

To replace the 8x1.8-inch hot-swap drive backplane assembly, complete the following steps:
Step 1. Align the drive backplane assembly with the backplane slot on the storage book.
8x1.8-inch
drive filler
Drive
LEDs
Step 2. From the front of the storage book, slide the drive backplane assembly into the slot on the storage
book until it is seated in place.
Step 3. Reconnect the cables to the backplane assembly that you disconnected earlier.
Step 4. Reinstall the drives that you removed from the old assembly into the new drive backplane
assembly, if you have not done so (see "Replacing 2.5-inch and 1.8-inch hot-swap drives" on page
240).
Step 5. Install the drive filler panel.
Step 6. Reinstall the storage book into the server.
Step 7. Reconnect the power cords and any cables that you removed.
Step 8. Turn on the peripheral devices and the server.
Removing a memory module
This topic provides instructions about how to remove a memory module.
To remove a dual inline memory module (DIMM), complete the following steps:
Note: You can press the light path button on the compute book to light the LEDs on the board when the
compute book has been removed from the server. Any LEDs that were light before the compute book was
removed from the server will be lit when the light path button is pressed.
Step 1. Before you begin, read "Safety" on page v and "Installation guidelines" on page 44 .
Step 2. Turn off the server (see "Turning off the server" on page 40) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables as necessary to replace the
device.
Step 3. Remove the compute book (see "Removing a compute book" on page 291).
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System x3850 X6 and x3950 X6 Installation and Service Guide
8x1.8-inch
drive backplane
assembly
Storage book