NEC Express5800 Series EXP320B - Manual (Page 63)

General Description 2-19
CPU/IO module board
(1) DIMM slots
(1)-1 DIMM slotA1
(1)-2 DIMM slot B1
(1)-3 DIMM slot A2
(1)-4 DIMM slot B2
(1)-5 DIMM slot A3
(1)-6 DIMM slot B3
(2) ft remote management card connector
(3) LAN1 connector
(4) LAN2 connector
(5) Riser card connector
(6) PCI board slot
(6)-1 PCI board slot (unavailable)
(6)-2 PCI board slot 1
(6)-3 PCI board slot 2