Dell PowerEdge M1000E BMX01 Owner's Manual page 48

Figure 17. Example of Port Mapping of a Sleeve With Four Quarter-Height Blades (Enclosure Slot 3)
Table 9. I/O Module Port Assignments - Sleeves With Four Quarter-Height Blades
Sleeve 1
MEZZ connector Blade a
MEZZ connector Blade b
MEZZ connector Blade c
MEZZ connector Blade d
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B1 C1
Port 1
Port 1
Port 9
Port 9
I/O Module
C2
Port 1
Port 9
B2
Port 1
Port 9