User`s manual
ENDAT-D2550 USERS MANUAL 
UNICORN COMPUTER CORP. 
9 
Chapter 2.  Setting up the Motherboard 
2-1. Connectors / Headers and Jumpers 
Connectors Overview: 
Function  Connectors 
PS/2 MS/KB Connectors  CN1 
Cooling Fan Connector  FAN1, FAN2 
ATX Power Supply Connector  ATX1 
USB 0/1, 2/3 Port  CN9, CN11 
LAN Port  CN9, CN11 
SATA Connector  SATA1, SATA2 
DDR3 RAM Socket  DIMM1 
CRT Output Connector  COMVGA1 
COM1,2 Connector  CN5 
COM3 Connector  COMVGA1 
HD Audio Speaker Output  CN13 
18/24 bit LCD Panel Connector  LVDS1 
PCI Slot  PCI1 
Mini PCI-E Socket  MPCIE1 
SIM Card Socket  SIM1 
Battery Socket  BAT1 
Box Headers, Pin Headers Overview: 
Function  Connectors 
eDP Port Header  J12 
EDID Panel  JP4 
Printer Port Box Header  LPT1, LPT2 
COM 4, 5 ,6 Port Box Header  CN8, CN2, CN6 
USB 4, 5, 6, 7 Port Header  J6, J7, J11 
PS/2 Mouse/KB Pin Header  J1 
External PS/2 Device Header  JKBMS1 
SM BUS Pin Header  SMB1 










