Baseboard power connector – SSI America EPS2U User Manual
Page 13
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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