ASROCK D1541D4I-2L2T User Manual page 32

Intelligent Platform
Management Bus header
(4-pin IPMB_1)
Non Maskable Interrupt
Button Header
(2-pin NMI_BTN1)
BMC SMB Headers
(5-pin BMC_SMB_1)
LAN LED Connector
(LED_LAN3_4)
*Supports D1541D4I-2L2T only
Thermal Sensor Header
(3-pin TR1)
HDD Power Connector
(4-pin HDD_PWR1)
26
IPMB_SDA
IPMB_SCL
GND
No Connect
GND
1
CONTROL
BMC_SMBDATA
GND
BMC_SMBCLK
Power
BMC_SMB_PRESENT_1_N
LAN4_ACT_N
LAN4_ACT_P
LAN3_ACT_P
LAN3_ACT_N
1
TR1 TR1
1
GND
+5V +12V
GND
This 4-pin connector is used
to provide a cabled baseboard
or front panel connection for
value added features and 3rd-
party add-in cards, such as
Emergency Management cards,
that provide management
features using the IPMB.
Please connect a NMI device to
this header.
This header is used for the SM
BUS devices.
This 4-pin connector is used
for the front LAN status
indicator.
Please connect the thermal
sensor cable to either pin 1-2
or pin 2-3 and the other end to
the device which you wish to
monitor its temperature.
Please connect a 4 pin molex
power cable to this connector
to connect a HDD.