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4. Press the blade-cover release (as shown by 1 for the base unit and by 2 for
5. Lay the cover flat, or lift it from the cover pins on the blade server and store
Removing the expansion unit
Remove the expansion unit to operate the JS43 blade server as a JS23 single-width
blade server.
Figure 9. Expansion blade DIMM 1 slot and the expansion blade retention screw
the expansion unit in Figure 8 on page 26) on each side of the blade server,
rotate the cover on the cover pins ( 3 ) and lift the cover open.
the cover for future use.
Statement 21
CAUTION:
Hazardous energy is present when the blade server is connected to the power
source. Always replace the blade server cover before installing the blade
server.
1. Read "Safety" on page v and the "Installation guidelines" on page 23.
2. Shut down the operating system, turn off the blade server, and remove the
blade server from the BladeCenter unit. See "Removing the blade server from
a BladeCenter unit" on page 25.
3. Carefully lay the blade server on a flat, static-protective surface, with the
cover side up.
4. Open and remove the blade server cover. See "Removing the blade server
cover" on page 26.
5. To access the expansion blade retention thumb screw (shown by 4 in
Figure 9), remove the DIMM in DIMM slot 1 ( 5 ), as described in "Removing
a memory module" on page 33.
4
5
Chapter 3. Installing and removing options
27
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