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Power Connectors
These connectors provide power for add-in EISA/ISA boards, PCI
boards, CPU modules, ECC memory modules, and the system board. All
power connector pins are rated at 5 amperes.
PS1 and PS2, Connector J9D2 (C)
This keyed, 12-pin connector accepts two, 6-pin power supply cable
connectors that install in only one way. The following tables define the
pin-outs for this connector:
Pin
Signal
1
PWRGOOD (power good)
2
+5 V
3
+12 V
4
–12 V
5
GND (ground)
6
GND (ground)
Pin
Signal
7
GND (ground)
8
GND (ground)
9
–5 V
10
+5 V
11
+5 V
12
+5 V
PS3 Connector J9B2 and PS4 Connector J9C2 (A)
Pin
1
2
3
Pin
1
2
3
Signal
Pin
+5 V
4
+5 V
5
+5 V
6
Signal
Pin
+5.1 V
4
GND
5
+12 V
6
T e c h n i c a l I n f o r m a t i o n
PS1 Color
Orange
Red
Yellow
Blue
Black
Black
PS2 Color
Black
Black
White
Red
Red
Red
Signal
GND
GND
GND
Signal
GND
GND
GND
OWNER'S HANDBOOK 5-21
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