Supermicro X7DCU - Power SMB Connector

2-20
X7DCU User's Manual
LE2
SW1
JD1
JBT1
JWOR1
JL1
JOH1
JCF1
JK1
JPEW2
JP6
JP7
JPL1
JWD1
JIDE
FAN6
FAN5
FAN7
JWF1
I-SATA0
CPU2
CPU1
SXB2:PCI-E X8
UIOP
BANK3
JWOL
SGPIO2
SGPIO1
COM2
CPU FAN1
KB/MS
SMBUS_PS
COM1
USB0/1
BANK2
LAN1
VGA
BANK1
DIMM1C
DIMM2B
DIMM1A
DIMM1B
DIMM2A
LAN2
CPU FAN2
Compact Flash
IDE
Floppy
SXB1:PCI-E X16
USB 4
USB 2/3
JPEW1
Battery
DIMM2C
SIMSO IPMI
VGA CTRL
LAN CTRL
Intel 5100
North Bridge
Intel ICH9R
South Bridge
USB5
LE19
X7DCU
S I/O
I-SATA1
I-SATA2
I-SATA3
I-SATA4
I-SATA5
Buzzer
JF1
JPW1
JPW2
JPW3
FAN1
FAN2
FAN3
FAN8
FAN4
JPG1
A
A. Overheat LED
B. PWR SMB
B
Overheat LED/Fan Fail (JOH1)
The JOH1 header is used to connect
an LED to provide warning of chassis
overheating. This LED will blink to in-
dicate a fan failure. Refer to the table
on right for pin defi nitions.
Overheat LED
Pin Defi nitions
Pin# Defi nition
1 5vDC
2 OH Active
Power SMB (I
2
C) Connector
Power SMB (I
2
C) Connector (J18)
monitors the status of the power
supply, fan and system temperature.
See the table on the right for pin
defi nitions.
PWR SMB
Pin Defi nitions
Pin# Defi nition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 +3.3V
OH/Fan Fail LED
Status
State Message
Solid Overheat
Blinking Fan Fail