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Non Maskable Interrupt
Button Header
(NMI_BTN1)
(see p.6, No. 9)
Intelligent Platform
Management Bus header
(4-pin IPMB_1)
(see p.6, No. 19)
Baseboard Management
Controller SMBus Headers
(5-pin BMC_SMB_1)
(5-pin BMC_SMB_2)
(5-pin BMC_SMB_3)
(see p.6, No. 37, 38 and 39)
Serial Port Header
(9-pin COM2)
(see p.6, No. 36)
Clear CMOS Pad
(CLRCMOS2)
(see p.6, No. 15)
GND
1
CONTROL
IPMB_SDA
GND
IPMB_SCL
No connect
1
BMC_SMBDATA6
GND
BMC_SMBCLK6
+3VSB_BMC
BMC_SMB_PRESENT_1_N
RRXD1
DDTR#1
DDSR#1
CCTS#1
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
E3C224D4M-16RE
Please connect a NMI device
to this header
This 4-pin connector is used
to provide a cabled base-board
or front panel connection for
value added features and 3rd-
party add-in cards, such as
Emergency Management cards,
t h a t p r o v i d e m a n a g e m e n t
features using the IPMB.
hese headers are used for the
SM BUS devices.
his COM2 header supports a
serial port module.
CLRCMOS2 allows you to
clear the data in CMOS. To
clear CMOS, take out the
CMOS battery and short the
Clear CMOS Pad.
25
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