IBM BladeCenter HT 8740, Problem Determination And Service Manual

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b. When any blade server or device is in blade bays 7 through 12, power
modules must be present in all four power bays.
3. Remove the filler from the bay, if one is installed.
Attention: To help ensure proper cooling, performance, and system reliability,
do not operate the BladeCenter HT unit for more than 1 minute without either a
blade server or a blade filler installed in each blade bay.
4. Make sure that the two release handles are in the open position.
5. Slide the blade server into the bay until it stops.
6. Push the two release handles to the closed position.
7. Make sure that the blade server is receiving power. See the documentation that
comes with the blade server for more instructions.
8. (Optional) Write identifying information on one of the labels that come with the
blade server; then, place the label on the BladeCenter HT unit top bezel, just
above the blade server.
Important: Do not place the label on the blade server or in any way block the
ventilation holes on the BladeCenter HT unit bezel.
9. Install the bezel that was removed during the removal procedure (see “Installing
a bezel collar” on page 45).
Removing an I/O-module interposer
To remove an I/O-module interposer or interposer tray, complete the following steps.
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 31.
2. Remove the bezel as needed to access the I/O-module interposer to be
removed (see “Removing a bezel collar” on page 41).
3. If an I/O module or filler is installed in the I/O bay, remove it (see “Removing an
I/O module” on page 64).
4. Make sure that the I/O-module interposer release handle is in the open position.
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BladeCenter HT Type 8740 and 8750: Problem Determination and Service Guide