Power Supply Connectors; Front Panel Connector; 24-Pin Main Power Connector Pins (Top-View); 8-Pin Processor Power Connector Pins (Top-View) - Intel Xeon E3-1125C User Manual

Technical Reference—Crystal Forest
A.9

Power Supply Connectors

The power supply connectors conform to the SSI EPS12V specification.
Table 24.

24-pin Main Power Connector Pins (Top-View)

+3.3 V
-12 V
GND
PS_ON
GND
GND
GND
RSVD
+5 V
+5 V
+5 V
GND
Table 25.

8-pin Processor Power Connector Pins (Top-View)

+12 V (+12V1)
+12 V (+12V1)
+12 V (+12V1)
+12 V (+12V1)
Table 26.

4-pin DDR Power Connector Pins (Top-View)

+12 V (+12V1)
+12 V (+12V1)
A.10

Front Panel Connector

Table 27.

9-pin Front Panel Connector Pins (Top-View)

Description
PU resistor (5V) for
hard drive LED
Hard drive LED driver
output
October 2012
Order No.: 328009-001US
Signal Name
Signal Name
Signal Name
Signal Name
FP_VCC_HDLED
FP_HD_LED_N
® ®
Intel Xeon Processor E3-1125C with Intel
Pin Pi
n
13 1 +3.3 V
14 2 +3.3 V
15 3 GND
16 4 +5 V
17 5 GND
18 6 +5 V
19 7 GND
20 8 PWR_OK
21 9 +5 V Standby (5VSB)
22 10 +12 V (+12V2)
23 11 +12 V (+12V2)
24 12 +3.3 V
Pin Pin
5 1 GND
6 2 GND
7 3 GND
8 4 GND
Pin Pin
3 1 GND
4 2 GND
Pi Pi Signal Name
n n
1 2 FP_LED_GRN_N
3 4 FP_LED_YLW_N
®
Communications Chipset 8910 Development Kit
Signal Name
Signal Name
Signal Name
Description
ATX power on indicator LED
User defined LED driver
output (GP27)
continued...
User Guide
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