Fujitsu M10 Product Notes page 107

Figure 8-13
Releasing connection of XSCF board (for SPARC M10-4)
A
B
C
4.
Pull out the XSCF board obliquely to the right direction (arrow).
Note - Place the removed XSCF board on a grounded static-removal ESD mat.
Chapter 8 Contents of Revision of Documentation 95