MSI G31M3-L V2 User Guide - Page 14

PCI Peripheral Component Interconnect Express Slot - e manual

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Front Panel Audio Connector: JAUD1 This connector allows you to connect the front panel audio and is compliant with Intel® Front Panel I/O Connectivity Design Guide. (2)GND (1)MIC_L MIC2_JD VCC5 NC Li ne _J D (1 0) Line-out_L(9) MIC_R Front to Sense Li ne -o ut _R SPI Debugging Connector: JSPI1 This connector is for internal debugging only. Serial Port Connector: JCOM1 This connector is a 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial device to it. TPM Module connector: JTPM1(Optional) This connector connects to a TPM (Trusted Platform Module) module. Please refer to the TPM security platform manual for more details and usages. DSR DTR CTS (2) SIN (1) DC D Key,no pin (10) R I (9) SOUT RTS GND 12 LCLK 3Vdual/ 3V_STB LRST# LAD0 VCC3 SIRQ LAD1 LAD2 LAD3 LFRAME# VCC5 KEY GND GND 13 14 Clear CMOS Jumper: JBAT1 There is a CMOS RAM onboard that has a power supply 1 from an external battery to keep the data of system 2 configuration. With the CMOS RAM, the system can 3 automatically boot OS every time it is turned on. If you want to clear the system configuration, set the jumper to clear data. 1 2 3 Keep Data 1 2 3 Clear Data Important: You can clear CMOS by shorting 2-3 pin while the system is off. Then return to 1-2 pin position. Avoid clearing the CMOS while the system is on; it will damage the mainboard. PCI (Peripheral Component Interconnect) Express Slot The PCI Express slot supports the PCI Express interface expansion card. The PCI Express x 16 slot supports up to 4.0 GB/s transfer rate. PCI (Peripheral Component Interconnect) Slot 8

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8
Front Panel Audio Connector:
JAUD1
This connector allows you to connect the front panel
audio and is compliant with Intel
®
Front Panel I/O
Connectivity Design Guide.
(2)GND
VCC5
MIC2_JD
NC
(1)MIC_L
Line-out_R
Line-out_L(9)
Line_JD(10)
(2)GND
MIC_R
Front to Sense
SPI Debugging Connector: JSPI1
This connector is for internal debugging only.
Serial Port Connector: JCOM1
This connector is a 16550A high speed communication
port that sends/receives 16 bytes FIFOs. You can attach
a serial device to it.
Key,no pin
SIN
DTR
DSR
CTS
DCD
SOUT
GND
RTS
RI
(10)
(2)
(1)
(9)
TPM Module connector:
JTPM1(Optional)
This connector connects to a TPM (Trusted Platform
Module) module. Please refer to the TPM security
platform manual for more details and usages.
KEY
GND
GND
14
3Vdual/ 3V_STB
2
VCC3
SIRQ
VCC5
LCLK
1
LRST#
LAD0
LAD1
LAD2
LAD3
LFRAME#
13
Clear CMOS Jumper: JBAT1
There is a CMOS RAM onboard that has a power supply
from an external battery to keep the data of system
configuration. With the CMOS RAM, the system can
automatically boot OS every time it is turned on. If you
want to clear the system configuration, set the jumper to
clear data.
Keep Data
Clear Data
2
2
2
3
3
3
1
1
1
Important:
You can clear CMOS by shorting 2-3 pin while the system is off. Then return to 1-2 pin
position. Avoid clearing the CMOS while the system is on; it will damage the mainboard.
PCI (Peripheral Component Interconnect) Express Slot
The PCI Express slot supports the PCI Express interface expansion card.
The PCI Express x 16 slot supports up to 4.0 GB/s transfer rate.
PCI (Peripheral Component Interconnect) Slot