Intel Desktop Board DH61HO Technical Product Specification 
42 
 
Table 16.  SATA Connectors 
Pin  Signal Name 
1  Ground 
2  TXP 
3  TXN 
4  Ground 
5  RXN 
6  RXP 
7  Ground 
 
 
Table 17.  Fan Headers 
Pin  4-Wire Support  Pin  3-Wire Support 
1  Ground  3  Ground 
2  +12 V  2  +12 V 
3  FAN_TACH  1  FAN_TACH 
4  FAN_CONTROL  N/A  N/A 
 
2.2.2.2  Add-in Card Connectors 
The board has the following add-in card connectors: 
•  One PCI Express 3.0 x16 (3.0/2.x/1.x) 
•  Two PCI Express 2.0 x1 (2.x/1.x) 
 
NOTE 
PCI Express 3.0 is only supported by 3
rd
 generation Intel Core Processor family 
processors.