Fujitsu M10-4 Service Manual page 26

Internal components
To access internal components, remove the CPU memory unit from the chassis.
Figure 2-3 Locations of internal components
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual ･ November 2014
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(3)
(1)
(3)
(5)
(2)
(4)