Dell POWEREDGE M915 - Manual (Page 67)

About Your System 67
Figure 1-26 shows the port connections for a half-height blade in bay 1 with
two mezzanine cards.
Table 1-18. Example of I/O Module Port Assignments - Half-Height Blade 1
Blade 1 I/O Module
A1 B1 C1 C2 B2 A2
Integrated NIC Port 1 Port 1
Mezzanine
Card C
Port 1 Port 1
Mezzanine
Card B
Port 1 Port 1