Baseboard power connector – SSI America EPS2U User Manual

Page 13

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SSI

EPS2U Power Supply Design Guide, V2.1

6.1.2

Baseboard power connector

STATUS

Required

Connector housing: 24-Pin Molex

39-01-2240 or equivalent

Contact: Molex

44476-1111 or equivalent

Table 7: P1 Baseboard Power Connector – Common Plane

Pin

Signal

18 AWG Color

Pin

Signal

18 AWG Color

1 +3.3

VDC,

3.3RS

1

Orange,
Orange/white stripe

13 +3.3

VDC

Orange

2

+3.3 VDC

Orange

14

-12 VDC

Blue

3 COM Black

15

COM

Black

4 +5

VDC

Red

16

PS_ON

Green

5 COM Black

17

COM

Black

6 +5

VDC

Red

18

COM

Black

7 COM Black

19

COM

Black

8

PWR OK

Gray

20

Reserved (-5 V in ATX)

N.C.

9

5 VSB

Purple

21

+5 VDC

Red

10

+12 V2

Yellow/Blue Stripe

22

+5 VDC

Red

11

+12 V2

Yellow/Blue Stripe

23

+5 VDC

Red

12 +3.3

VDC

Orange

24

COM

Black

Table 8: P1 Baseboard Power Connector – Split Plane

Pin

Signal

18 AWG Color

Pin

Signal

18 AWG Color

1

+3.3 VDC,
3.3RS

1

Orange,
Orange/white stripe

13 +3.3

VDC

Orange

2

+3.3 VDC

Orange

14

-12 VDC

Blue

3 COM Black

15

COM

Black

4 +5

VDC

Red

16

PS_ON

Green

5 COM Black

17

COM

Black

6 +5

VDC

Red

18

COM

Black

7 COM Black

19

COM

Black

8

PWR OK

Gray

20

Reserved (-5 V in ATX)

N.C.

9

5 VSB

Purple

21

+5 VDC

Red

10

+12 V3

Yellow/Blue Stripe

22

+5 VDC

Red

11

+12 V3

Yellow/Blue Stripe

23

+5 VDC

Red

12 +3.3

VDC

Orange

24

COM

Black

1.

3.3V remote sense signal double crimped with 3.3V contact.

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