Dell POWEREDGE R805 - Manual (Page 59)

System Board Connectors
See Figure 6 -2 and Table 6 -2 for the location and description of system board connectors.
Figure 6-2. System Board Connectors
Table 6-2. System Board Connectors
Connector Description
1 RISER2 expansion-card riser 2 connector
2 MEZ_CONN LOM daughter card
3 RISER1 Left riser board connector
4 RAC_CONN2 Remote Access Control (RAC) card 2
5 RAC_CONN1 Remote Access Control (RAC) card 1
6 BATTERY System battery
7 TOE_KEY TCP/IP Offload Engine Key
8 SATA_A SATA A connector
9 B1 First memory module slot (processor 2)
10 B2 Second memory module slot (processor 2)
11 B3 Third memory module slot (processor 2)
12 B4 Fourth memory module slot (processor 2)
13 B5 Fifth memory module slot (processor 2)
14 B6 Sixth memory module slot (processor 2)
15 B7 Seventh memory module slot (processor 2)
16 B8 Eighth memory module slot (processor 2)
17 FAN4 System cooling fan
18 CPU2 Microprocessor 2
19 FAN3 System cooling fan
20 CPU1 Microprocessor 1
21 FAN2 System cooling fan
22 FAN1 System cooling fan
23 BACKPLANE Backplane power connector
24 SIDEPLANE Sideplane connector