HP ProLiant BL660c Gen8 Server Blade - Manual (Page 9)

Component identification 9
Mezzanine connector definitions
A PCIe x8 mezzanine connector supports x16 cards at up to x8 speeds.
Item PCIe
Mezzanine connector 1 x8, Type A mezzanine card only
Mezzanine connector 2 x16, Type A or B mezzanine card
Mezzanine connector 3 x16, Type A or B mezzanine card
DIMM slot locations
DIMM slots are numbered sequentially (1 through 8) for each processor. The supported AMP modes use the
alpha assignments for population order and the slot numbers designate the DIMM slot ID for spare
replacement.