Connectors, switches, and LEDs  102  
 
 
System board 
 
 
Item Code  Component 
1  ATXPWRCN2  4-pin ATX processor power connector  
2  DIMM4B  Channel B 1
st
 DDR3 DIMM slot 
3  DIMM3D  Channel B 2
nd
 DDR3 DIMM slot 
4  DIMM2A  Channel A 1
st
 DDR3 DIMM slot 
5  DIMM1C  Channel A 2
nd
 DDR3 DIMM slot 
6  ATXPWRCN1  24-pin ATX system board power connector  
7 CPU1  Processor 
8  CPUFAN1  Heat sink cable connector 
9  PCHSW1  System configuration switch 
10  FPCN1  Power button / front panel LED cable connector 
11 SATA1  1
st
 HDD SATA cable connector 
12 SATA2  2
nd
 HDD SATA cable connector 
13 SATA3  3
rd
 HDD SATA cable connector 
14 SATA4  4
th
 HDD SATA cable connector 
15 SATA5  1
st
 ODD SATA cable connector 
16 SATA6  2
nd
 ODD SATA cable connector 
17  USBCONN2  Internal USB connector for STD USB 
18  USBCONN3  Internal USB connector for tape device 
19  FPUSBCONN1  Front panel USB port connector 
20  HDDLEDCN1  External HDD LED cable connector