Supermicro A1SRM-LN7F-2758 User Manual Page 46

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A1SRM-LN7F/LN5F Series Motherboard User’s Manual
3
2
1
1
DESIGNED IN USA
A1SRM-LN7F/LN5F
REV:1.01
BIOS
LICENSE
BAR CODE
T21
J3
SRW1
SRW2
SRW3
SRW4
JF3
JPW2
JF2
FAN2
FAN1
FAN3
I-SATA1
I-SATA2
I-SATA0
I-SATA3
I-SATA5
I-SATA4
JD1
COM2
JUIDB1
VGA
JIPMB1
JTPM1
JSD1
JWD1
JI2C2
JI2C1
JPG1
JBAT1
SP1
LED3
LED8
LED7
LED2
JPW1
JF1
JL1
JOH1
JPI2C1
JSTBY1
T11 T9T7 T5
T24
T23
T22
T18
T20
T1
T16
T17
T14
T15 T13
T12 T10
J4
T19
T4
T6
T2
T3
T8
LAN BYPASS LED
M_SATA
USB 2.0-4/5
COM1
USB2.0 6/7
LAN5 USB2.0 2/3
USB 2.0-1
LAN6/LAN7
PCI-E 2.0X4
JBT1
LAN 1/2/3/4/5 LED
LAN3/LAN4
DOM POWER
SATA
LAN1/LAN2
DIMMA2
DIMMA1
CPU
DIMMB1
DIMMB2
JPCIE1
Fan Header
Pin Denitions
Pin# Denition
1 Ground (Black)
2 12V (Red)
3 Tachometer
4 PWM_Control
Fan Headers (Fan 1 ~ Fan 3)
The A1SRM-LN7F/LN5F Series motherboard
has three fan headers. These fans are 4-pin fan
headers. Although pins 1-3 of the fan headers
are backward compatible with the traditional
3-pin fans, we recommend you use 4-pin fans
to take advantage of the fan speed control via
Pulse Width Modulation through the BMC. This
allows the fan speeds to be automatically ad-
justed based on the motherboard temperature.
Refer to the table on the right for pin denitions.
A
B
A. Fan 1
B. Fan 2
C. Fan 3
D. Chassis Intrusion
C
D
Chassis Intrusion (JL1)
A Chassis Intrusion header is located at JL1 on
the motherboard. Attach the appropriate cable
from the chassis to inform you of a chassis intru-
sion when the chassis is opened.
Chassis Intrusion
Pin Denitions (JL1)
Pin# Denition
1 Ground
2 Intrusion Input
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