Datasheet

Physical Layer (Pbox)
38 Datasheet Volume 2 of 2
Figure 8-1 shows the interface of each of Pbox instances with other uncore boxes. PZ0
and PZ1 are the Pbox-FBD port instances and PR0 to PR3 is the Pbox-Intel QPI port
instances. Not shown here is the PMISC (miscellaneous port) interfaces with uncore.
§
Figure 8-1. Intel Xeon Processor E7-8800/4800/2800 Product Families System Interface
RBox
P ort-1 Port-0 P ort-4 P ort-5
Port-3
Bbox
B1
Bbox
B0
Port-7
Ubox
UU
P ort-2 P ort-6
Sbox
S0
Sbox
S1
Pbox
PR 2
Pbox
PR 1
Pbox
PR 3
Pbox
PR 0
Mbox
M0
Mbox
M1
Pbox
PZ 0
Pbox
PZ 1