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AS1040C-T/1040C-8 User's Manual
2
I
C Header for Power Supply
2
The I
C header at J16 may be used
to monitor the power supply. See the
table on the right for pin defi nitions.
SMBus Header
The JSMB header is provided for
System Management Bus connec-
tion. See the table on the right for pin
defi nitions.
Additional Fan Headers
Four additional fan headers, desig-
nated nFAN1 through nFAN4, are
included on the serverboard. nFAN1
and nFAN2 should be connected
to the heatsinks on the 2200 and
8132 (chipset) chips and nFAN3 and
nFAN4 should be connected to the
heatsinks that are used with the air
shroud. See the table on the right for
pin defi nitions.
Compact Flash Power
Headers
JWF1 and JWF2 are power headers for
compact fl ash devices, which can be
connected to the IDE ports. See the
table on the right for pin defi nitions.
I
2
C Header for Power
Pin Defi nitions (J16)
Pin#
Defi nition
1
Clock
2
Data
3
PWR Fail
4
Gnd
5
+3.3V
SMBus Header
Pin Defi nitions (JSMB)
Pin#
Defi nition
1
Data
2
Gnd
3
Clock
4
NC
Additional Fan Header
Pin Defi nitions
(nFAN1-4)
Pin#
1
2
DOC Power Header
Pin Defi nitions (JWF1)
Pin#
Defi nition
1
+5V
2
Ground
3
Signal
5-18
Supply
Defi nition
12V
Ground
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