A.7
Voltage Measurement Headers
Table 22.
Voltage Measurement Headers
Jumper Name
Ref Des
Location
Default Setting
1
Description
VCC5_PS
J5K1
Open
5.0V input voltage measurement
VCC3P3_PS
J9B2
Open
3.3V input voltage measurement
VCC12_PS
J4K3
Open
12V input measurement
VCC5_PS_STBY
J4K2
Open
5.0V standby voltage measurement
VCC5_AUX
J9B1
Open
5.0V aux voltage measurement
VCC3P3_AUX
J1A1
Open
3.3V AUX voltage measurement
VCC5_SW
J4J3
Open
5.0V switch voltage measurement
VCC3P3_STBY
J9C1
Open
3.3V standby voltage
VTT_SA_CPU
J6K3
Open
System Agent(0.8V-0.89V) voltage
measurement
VCC1P8_CPU
J8K3
Open
1.8V CPU voltage measurement
VDD1P5_DDR
J9E1
Open
DDR3 (1.5V) voltage measurement
VTT_CPU
J7K2
Open
CPU VTT (1.05V) voltage measurement
VCC_CORE_CPU
J6K4
Open
VCC core (0.8V-1.3V) voltage measurement
VCC1P0_PCH
J1A5
Open
1.0V PCH voltage measurement
VCC1P0_STBY
J1A2
Open
1.0V standby voltage measurement
VCC1P0_AUX
J1A6
Open
1.0V aux voltage measurement
VCC1P8_AUX
J3A1
Open
1.8V aux voltage measurement
VCC1P8_STBY
J1A3
Open
1.8V standby voltage measurement
VCC1P8_PCH
J1H5
Open
1.8V PCH voltage measurement
VCCDMI_PCH
J3H1
Open
1.05V DMI voltage measurement
VCC1P05_AUX
J3E1
Open
1.05V aux voltage measurement
1. Do not short pin headers to ground. Doing so may damage the board.
A.8
LED Indicators
Table 23.
LED Indicators
LED Name
Ref Des
Location
"ON" Color
Description (LED "ON" State)
12 V Voltage
DS4K3
Green
VCC12_PS voltage present
5 V Main Voltage
DS5K1
Green
VCC5_PS voltage present
5 V Main Standby
Voltage
DS4K2
Green
VCC5_PS_STBY voltage present
5 V Aux Power
DS9B1
Green
VCC5_AUX voltage present
continued...
Technical Reference—Crystal Forest
Intel
®
Xeon
®
Processor E3-1125C with Intel
®
Communications Chipset 8910 Development Kit
October 2012
User Guide
Order No.: 328009-001US
41