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2
SMB (I
C) Connector
System Management Bus (I
(J18) monitors power supply, fan and system
temperatures. See the table on the right for
pin defi nitions.
Trusted Platform Module Header
A Trusted Platform Module header (JTPM1)
provides TPM support to enhance data
integrity and system security. Refer to the
table on the right for pin defi nitions.
SMBus Header
The header at SMBus is for the System
Management Bus. Connect the appropriate
cable here to utilize SMB on the system. See
the table on the right for pin defi nitions.
I
2
C Power Connector
2
This header is for I
C, which may be used to
monitor the status of the power supply, fan
and system temperature. See the table on
the right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
2
C) Connector
Trusted Platform Module Header
Pin# Defi nition Pin #
1
LPC Clock
3
LPC Frame#
5
LPC Reset#
7
LAD3
9
+3.3V
11
LAD0
13
SCL
15
+3V Dual
17
Ground
19
LPCPD# (X)
5-19
PWR SMB
Pin Defi nitions
Pin#
Defi nition
1
Clock
2
Data
3
PWR Fail
4
Ground
Pin Defi nitions
Defi nition
2
Ground
4
Key
6
+5V (X)
8
LAD2
10
LAD1
12
Ground
14
SDAT
16
SERIRQ (X)
18
CLKRUN (X)
20
LDRQ# (X)
SMB Header
Pin Defi nitions
Pin#
Defi nition
1
Data
2
Ground
3
Clock
4
No Connection
2
I
C Power
Connector
Pin Defi nitions
(I
2
C_PWR)
Pin#
Defi nition
1
SMB Clock
2
SMB Data
3
Power Fail
4
Ground
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