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2
Power SMB (I
C)
The Power System Management Bus
I2
(
C) connector (JPI2C1) monitors
the power suppply, fan and system
temperatures. See the table on the
right for pin defi nitions.
Trusted Platform Module Header
The JTPM1 header is used to connect
a Trusted Platform Module (TPM),
available separately from a third-party
vendor. A TPM is a security device that
allows encryption and authentication of
hard drives, disallowing access if the
TPM associated with it is not installed
in the system. See the table on the
right for pin defi nitions.
Fan Headers
This motherboard has six fan headers
(Fan1 to Fan6). These 4-pin fans
headers are backward compatible
with 3-pin fans. However, fan speed
control is available for 4-pin fans only.
The fan speeds are controlled by the
BIOS. See the table on the right for
pin defi nitions
JPK2 Header
A RAIDKey header, located at JPK2,
provides RAID function support in
order to use RAID 5 SAS2 support
(optional for H8DCL-6 and H8DCL-6F).
Power SMB I
Pin Defi nitions
Pin# Defi nition
1
2
3
4
5
Trusted Platform Module Header
Pin Defi nitions (JTPM1)
Pin# Defi nition
1
LCLK
3
LFRAME
5
LRESET
7
LAD3
9
VCC3
11
LAD0
13
RSV0
15
SB3V
17
GND
19
LPCPD
Fan Header
Pin Defi nitions
Pin#
1
2
3
4
2-15
Chapter 2: Installation
2
C
(JPI2C1)
Clock
Data
PWR Fail
Ground
+3.3V
Pin# Defi nition
2
GND
4
No Pin
6
VCC5
8
LAD2
10
LAD1
12
GND
14
RSV1
16
SERIRQ
18
CLKRUN
20
RSV2
Defi nition
Ground
+12V
Tachometer
PWR Modulation
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