![Dell PowerEdge R420xr Owner'S Manual Download Page 102](http://html.mh-extra.com/html/dell/poweredge-r420xr/poweredge-r420xr_owners-manual_85444102.webp)
System Board Connectors
Figure 42. System Board Jumpers and Connectors
Item
Connector
Description
1
INT_STORAGE
Storage controller card connector
2
ID_BTN
System identification button
3
CMA_JACK
System identification connector
4
USB 2
USB connector
5
USB 1
USB connector
6
IO_RISER2
Riser 2 connector
7
NIC2
Network connector
8
NIC1
Network connector
9
VGA
Video connector
10
COM
Serial connector
11
IO_RISER1
Riser 1 connector
12
CPU2
Processor socket 2
13
FAN6
Cooling fan connector
14
FAN5
Cooling fan connector
102