Table of Contents
Advertisement
2-6
Connecting Cables
Power Supply Connectors
The primary power supply
connector (J20) on the P4SCT/
P4SCT+/P4SCT+II meets the SSI
(Superset ATX)
tion. Refer to the table on the
right for the pin definitions of the
ATX 20-pin power connector.
You must also connect the 4-pin
(J21) processor power connector
to your power supply.
the table below right for the J21
(12V) connector. (*You must use
J21 for CPU Power.)
PW_ON Connector
The PW_ON connector is located
on pins 1 and 2 of JF1.
A
JPWAKE
24-pin ATX PWR Conn
COM2
PWR Force On
JPUSB
USB 1/2
WOR
Watch Dog
PWR Froce On
82547
LAN CTLR
COM 1
M C H
(North Bridge)
VGA
GLAN 1
DIMM 0A (Blue)
BANK0
DIMM 0B (Black)
GLAN 2
DIMM 1A (Blue)
BANK1
DIMM 1B (Black)
AGP Pro
GLAN CTLR
PCI 1-X
82541
Standby LED
PCI-X 2
WOL
PCI -X 3
SMBus
PCI 1
RAGE-XL
BATTERY
Speaker
USB 3/4
PCI 2
VGA Enable
Keylock
Speaker
24-pin specifica-
Refer to
B
PWR LED
+12V 4-pin PWR Conn.
CPU
478 PGA
Intel's SATA1
Intel's SATA2
Hance
Rapids
CLR CMOS
M-SATA1-2 Enable
BIOS
M a r v e l l
SATA CTLR
I-SATA LED
CHS FAN4
Ch. Intru.
M- SATA LED
ATX Power Supply 24-pin Connector
Pin Definitions (J20)
Pin Number Definition
13
+3.3V
14
-12V
15
COM
16
PS_ON#
17
COM
18
COM
19
COM
20
Res(NC)
21
+5V
22
+5V
23
+5V
24
COM
Required
Pins #
1 & 2
Connection
3 & 4
Pin Definitions
Number
A. 24-pin PWR Connector
B. 4-pin PWR Connector
C. PWR On Connector
Ground
X
Power On LED
IDE LED
LAN1 LED
LAN2 LED
Overheat LED
X
Ground
Ground
2-7
Chapter 2: Installation
Pin Number Definition
1
+3.3V
2
+3.3V
3
COM
4
+5V
5
COM
6
+5V
7
COM
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
+12V 4-pin
Connector
(J21)
Definition
Ground
+12 V
PW_ON
(JF1)
Pin
Definition
1
PW_ON
2
+3V
20
19
NMI
X
Vcc
Vcc
Vcc
Vcc
Vcc
X
Reset Button
Reset
Power Button
Pwr
C
2
1
Advertisement
Table of Contents
