Datasheet

2-8
P8SAA User's Manual
2-6 Connecting Cables
Power Supply Connectors
The primary power supply
connector(J40) on the P8SAA
meets the SSI (Superset ATX) 24-
pin specification. Refer to the table
on the right for the pin definitions
of the ATX 24-pin power connec-
tor. You must also connect the 4-
pin (J41) processor power con-
nector to your power supply. Re-
fer to the table below right for the
J41 (12V) connector.
Pins #
1 & 2
3 & 4
Definition
Ground
+12 V
+12V 4-pin
Connector
(J41)
Required
Connection
IR Connector
The infrared connector is located
on pins 2, 4, 6, 8 and 10 of JF1.
See the table on the right for pin
definitions. See the Technical
Support section of our web page
for information on the infrared de-
vices you can connect to the sys-
tem.
Pin
Number
2
4
6
8
10
Definition
+5V
CIRRX
IRRX
Ground
IRTX
Infrared Pin
Definitions
(JF1)
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
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
x1 PCI-E#1
x1 PCI-E#2
S
U
P
E
R
P
8S
A
A
®
P4 CPU
LGA 775
JPWAKE
KB/MS
Parallel Port
COM1 Port
USB
3/4/5/6
USB1/2
& LAN
JPUSB
Fan3
Clock
925X
Alderwood
(North Bridge)
x16 PCI-E
PCI-3
PCI-2
PCI-1
LAN CTRL
JPL1
GLAN Enable
CDin
Aux.
x1 PCI-E#3
AC97
FWH
J43
CL
CMOS
JL1
WOR
SATA0
FP CTRL
Fan2
JF1
Buzzer
JP4
IDE
24-Pin ATX PWR
Super IO
Fan1
USB7/8
Chs
Intru.
ICH6R
SMB
DIMM#1A (Blue)
DIMM#2A (Black)
DIMM#1B (Blue)
DIMM#2B (Black)
Audio
WOL
JBT1
J3
J40
(South Bridge)
J45
J29
J
4
4
J32
J31
J28
K
B
/M
S
W
a
k
e
-U
p
J30
Battery
J37
J41
12V 4-pin
PWR
COM2 Port
J1
J7
J8
J9
J34
JOH1
FDD
J27
SATA1
SATA2
SATA3
Force PWR-On
LE1
+5VStby Warning
LED
USB WakeUp
SATA
LED
OH
LED
Pin 1:IDE LED+
Pin 3: IDE LED Active
Pin 5: IDE LED Active
Pin 7: IDE LED+
Pin 9: Power LED+
Pin 11: X
Pin 13: Power LED-
Pin 15: Keylock
Pin 17: Ground
Pin 19: Speaker
Pin 21: X
Pin 23: X
Pin 25: VCC5
Pin 2: VCC5
Pin 4: X
Pin 6: IRRX
Pin 8: GROUND
Pin 10: IRTX
Pin 12: LAN LED+
Pin 14: LAN LED-
Pin 16: X
Pin 18: PW ON+
Pin 20: PW ON-
Pin 22: X
Pin 24: Ground
Pin 26: Reset
JF1
ATX PWR (24-pin)4-pin PWR IR