User`s manual

MS-7550 Mainboard
2-14
TPM Module Connector: JTPM
This connector connects to a TPM (Trusted Platform Module) module (optional). Please
refer to the TPM security platform manual for more details and usages.
Pin Signal Description Pin Signal Description
1 LCLK LPC clock 2 3V_STB 3V standby power
3LRST# LPC reset 4 VCC3 3.3V power
5LAD0 LPC address & data pin0 6 SIRQ Serial IRQ
7 LAD1 LPC address & data pin1 8 VCC5 5V power
9LAD2 LPC address & data pin2 10 KEY No pin
11 LAD3 LPC address & data pin3 12 GND Ground
13 LFRAME# LPC Frame 14 GND Ground
2
1
14
13
JTPM
Serial Port Connector: JCOM 1
This connector is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
PIN SIGNAL DESCRIPTION
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6DSR Data Set Ready
7RTS Request To Send
8CTS Clear To Send
9 RI Ring Indicate
Pin Definition
JCOM1
1 9
2
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S
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S
i
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g
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g
nal
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nal
3
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3
V
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V
_
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_
S
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S
TB
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TB
4
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4
V
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V
C
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C
C3
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C3
n0 6
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n0 6
S
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S
I
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I
RQ
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RQ
n1 8
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n1 8
p
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p
i
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i
n2
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n2
10
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10
ta
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ta
p
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p
i
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i
n3
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n3
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o
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o
nn
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nn
ec
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ec
t
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t
i
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i
s
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s
a
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a
16550
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16550
c
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c
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