Intel SDS2 User Manual download pdf (Page 88)

Connections Intel® Server Board SDS2

Revision 1.2

Order Number: A85874-002

8. Connections

8.1 Power Distribution Board Connector

The main power supply connection is obtained using a 24-pin connector. A separate 8-pin

connector is used for the +12 V power connector dedicated to providing power to the processor.

A third 5-pin auxiliary signal connector is used to communicate with the power supply. The

following tables define the pin-outs of these connectors.

Table 52. 24-Pin Main Power Connector Pin-out

Pin Signal Color Pin Signal Color

1 +3.3 V Orange 13 +3.3 V Orange

2 +3.3 V Orange 14 -12 V Blue

3 COM Black 15 COM Black

4 +5 V Red 16 PS_ON# Green

5 COM Black 17 COM Black

6 +5 V Red 18 COM Black

7 COM Black 19 COM Black

8 PWR_OK Gray 20 RSVD_(-5 V) White

9 5 VSB Purple 21 +5 V Red

10 +12 V_IO Yellow 22 +5 V Red

11 +12 V_IO Yellow 23 +5 V Red

12 +3.3 V Orange 24 COM Black

Table 53. 8-Pin +12 V Power Connector Pin-out

Pin Signal Color Pin Signal Color

1 COM_CPU Black 5 +12V_CPU Yellow

2 COM_CPU Black 6 +12V_CPU Yellow

3 COM_CPU Black 7 +12V_CPU Yellow

4 COM_CPU Black 8 +12V_CPU Yellow

Note: The SDS2 server board requires a +12 V Power Connector. The board will not power on

without +12 V Power supplied to this connector.

Table 54. Aux Signal Connector Pin-out

Pin Signal Name

1 I2C Clock

2 I2C Data

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 144 145

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Intel SDS2 User Manual Page 88