EP2C621D12 WS
32
33
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PSU SMBus Header
(PSU_SMB1)
(see p.7, No. 6)
+3V
1
GND
ALERT
SMBCLK
SMBDATA
PSU SM Bus monitors t he
status of the power supply, fan
and system temperature.
Non Maskable Interrupt
Button Header
(NMI_BTN1)
(see p.7, No. 50)
CONTROL
GND
1
Please connect a NMI device
to this header.
Intelligent Platform
Management Bus Header
(4-pin IPMB_1)
(see p.7, No. 43)
IPMB_SDA
IPMB_SCL
GND
No connect
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,
that provide management
features using the IPMB.
Baseboard Management
Controller SMBus Header
(5-pin BMC_SMB_1)
(see p.7, No. 44)
BMC_SMB_PRESENT_1_N
Power
BMC_SMBCLK
GND
BMC_SMBDATA
These header is used for the
SM BUS devices.
Front LAN LED
Connector
(FRONT_LED_LAN1)
(see p.7, No. 48)
1
LAN3_LINK
LED_PWR
LED_PWR
LAN4_LINK
This 4-pin connector is used
for the front LAN status
indicator.
Serial Port Header
(9-pin COM1)
(see p.7, No. 46)
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
This COM header supports a
serial port module.
