Removing The Motherboard Unit And Memory; Accessing The Motherboard Unit - Fujitsu Oracle M10-1 Service Manual

firmware versions displayed for the current and reserve XCPs by the version
command do not match when you check the XCP firmware version after executing
the testsb command. This does not affect system operation. If you start the system
when the current and reserve XCPs have been switched, the CMU firmware stored
on the microSD card is automatically applied.
The type of motherboard unit varies depending on the number of CPU clocks.
■
If you replace the microSD card along with the motherboard unit, dispose of the
■
microSD card mounted on the old motherboard unit by appropriate means such
as cutting it with cutting pliers. The old microSD card stores the user information,
IP address, and other information set in the XSCF firmware.
16.5 Removing the Motherboard Unit and
Memory
This section describes the procedure for removing the motherboard unit.
Enable removal of the motherboard unit prior to 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
16.5.1

Accessing the motherboard unit

1. Remove all the cables connected to the external interface.
Note - Record the positions of the cables before removing them to ensure that they are
reinstalled correctly.
Pull the chassis out of the rack.
2.
For details, see
Open the fan cover.
3.
For details, see
4. Remove the upper cover.
For details, see
5. Remove the air duct and the PSU backplane cover.
For details, see
Flow."
Electricity."
"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
cover."
cover."
Chapter 16 Maintaining the Motherboard Unit/Memory
"1.4 Precautions
rack."
cover."
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