4. Names and Functions of ComponentsExpress5800/R320c-E4, R320c-M4 User's Guide48Chapter 1 General Description4.7 CPU/IO BoardCPU/IO board on CPU/IO module(1) DIMM slot (1)-1 DIMM1 to DIMM4 from top(1)-2 DIMM8 to DIMM5 from top(2) Processor (CPU) socket (2)-1 Processor #1(CPU#1)(2)-2 Processor #2(CPU#2)(3) DIMM slot (3)-1 DIMM9 to DIMM12 from top(3)-2 DIMM16 to DIMM13 from topAvailable only when CPU#2 is installed.(4) Lithium battery(5) HDD BP connector(6) CMOS Clear jumper Refer to Chapter 1 (10.3 Clearing BIOS Settings (CMOS Memory)) in MaintenanceGuide.(7) Password Clear jumper Refer to Chapter 1 (10.3 Clearing BIOS Settings (CMOS Memory)) in MaintenanceGuide.(8) Connector for PCIe card (8)-1 PCI slot #1(8)-2 PCI slot #2(9) 1G LAN connector (9)-1 LAN1(9)-2 LAN2(10) 10G LAN connector (10)-1 LAN1(10)-2 LAN2(11) Connector for PCI riser card Used for R320c-M4 model only.(12) Management port
