Supermicro 7045A-C3, User Manual

Page: 51 / 118

Chapter 5: Advanced Serverboard Setup
5-19
Backpanel Power SMB (I 2 C)
Connector
The power SMB (I
2
C) connector is
used to monitor the status of the
power supply and the temperature of
the backplane. See the table on the
right for pin defi nitions.
Backpanel PWR SMB Connector
Pin Defi nitions (J5)
Pin# Defi nition
1 SMBDAT_ICH_EXIT
2 Ground
3 SMBCLK_ICH_EXIT
4 NC
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and the PS/2
mouse are located beside the USB0/1
ports. The mouse port is above the
keyboard port. See the table on the
right for pin defi nitions.
PS/2 Keyboard and
Mouse Port Pin
Defi nitions
Pin# Defi nition
1 Data
2 NC
3 Ground
4 VCC
5 Clock
6 NC
Power SMB (I
2
C) Connector
The power SMB (I
2
C) connector is
used to monitor the status of the
power supply, fan and system tem-
perature. See the table on the right
for pin defi nitions.
PWR SMB Header
Pin Defi nitions (J6)
Pin# Defi nition
1 Clock
2 Data
3 PWR Fail (Input from PS to MB)
4 Ground
5 +3.3V
SAS Power SMB (I 2 C) Connector
The SAS power SMB (I 2 C) connec-
tor is used to monitor the status of
the power supply system manage-
ment bus for the SAS ports. See the
table on the right for pin defi nitions
(X7DCA-i only).
SAS PWR SMB Connector
Pin Defi nitions (JP3)
Pin# Defi nition
1 TWSI_SDA
2 Ground
3 TWSI_SCK