Fujitsu Primergy BX630 S2 Options Manual page 46

Overview Upgrading to a quad-socket server blade
Quad-socket upgrade kit
The quad-socket upgrade kit for connecting two PRIMERGY BX630 S2 dual-
socket server blades to form a quad-socket server contains the following
elements.
Figure 27: Side-band element
The side-band element connects the server management bus of the master
module to that of the slave module, see also "Inserting the HT-link elements and
the side-band element" on page 53.
Figure 28: HT-link element
Two HyperTransport link elements (HT-link elements) connect the system bus
of the master module and the system bus of the slave module, see also
"Inserting the HT-link elements and the side-band element" on page 53.
46 Options Guide
BX630 S2