1-4 Chapter
1
1.3. Jumpers & Connectors Description
Jumpers Description
Default
Setting
CCMOS1
CMOS Memory Clearing Header
Pins 1-2 Closed (Normal)
Connectors Description
ATX12V1
8-Pin EPS12V Power Connector
ATXPWR1
24-Pin EPS12V Power Connector
COM2
Connection Header for Additional COM Port
DIMM1~DIMM4
DDR DIMM Slots
FAN1/FAN4
CPU and System Fan Power Connectors for CPU1
FAN2/FAN5
CPU and System Fan Power Connectors for CPU2
FAN3
Auxiliary Fan Power Connector
FPIO1
Front Panel Switch Connection Headers
FP-USB1
Additional USB Port Connection Header
IDE1
IDE Disk Drive Connector (Pitch 2.5)
J6
Connection Header for Case Intrusion Detector
J8/J9
LED Connectors for Network Interface
KM1
External Keyboard/Mouse Connection Header
LPC1
Connection Header for Low Pin Count (Reserved for
internal testing)
LPT1
Connection Header for Parallel Port
PCI1
PCI-X 64bit/133MHz Expansion Slot (3.3V)
SATA1/SATA2
Serial ATA connectors
SMBUS1
System Management Bus Header
VGA1
Connection Header for VGA Output
SI-2Ns44X Series