Removing The Psu Backplane; Accessing The Psu Backplane - Fujitsu Oracle M10-1 Service Manual

This is because these PSU backplanes store device identification information.
Set the system time.
■
After replacing the PSU backplane, you need to set the system time. For details,
see "Notes on Maintenance of a CPU Memory Unit, Motherboard Unit, XSCF Unit,
PSU Backplane, or Crossbar Backplane Unit" in the Fujitsu M10/SPARC M10
Systems Product Notes for the latest XCP version.
12.4

Removing the PSU Backplane

This section describes the procedure for removing the PSU backplane.
Enable the removal of the PSU backplane before attempting to remove it. For details,
see "Chapter 7 Maintenance
Caution - Before you handle any components, wear a wrist strap to ground any static
electricity. If you perform this procedure without a wrist strap, individual
components or the overall system may be damaged. For details, see
on Static
12.4.1

Accessing the PSU backplane

Remove all the power supply units.
1.
For details, see
Pull the chassis out of the rack.
2.
For details, see
3. Open the fan cover.
For details, see
4. Remove the upper cover.
For details, see
Remove the air duct and the PSU backplane cover.
5.
For details, see
12.4.2 Removing the PSU backplane
1. Remove the three (3) cables from the motherboard unit that connect the PSU
backplane to the motherboard unit.
Note - Record the positions of the cables before removing them to ensure that they are
reinstalled correctly.
Flow."
Electricity."
"11.3 Removing a Power Supply
"5.8.3 Pulling the chassis out from the
"5.8.4 Opening the fan
"5.8.5 Removing the upper
"5.8.6 Removing the air duct and PSU backplane
Unit."
rack."
cover."
cover."
Chapter 12 Maintaining the PSU Backplane
"1.4 Precautions
cover."
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