Pci Express X16 Slot - MSI MS-7139 Instruction Manual

MSI Reminds You...
Please note that the pins of VCC & GND must be connected correctly or it may cause some
damage
Serial Port Connector: JCOM1
The mainboard offers one 9-pin male DIN connector COM 1 (on the rear
panel), and one optional serial port JCOM1. Both are 16550A high speed
communication ports that send/receive 16 bytes FIFOs. You can attach a
serial mouse or other serial device directly to them.
PIN SIGNAL
1 DCD
3 SOUT
5 GND
7 RTS
9 RI
BIOS Flash Jumper: BIOS_WP1
This jumper is used to lock or unlock the boot block area on BIOS. When
unlocked, the BIOS boot block area can be updated. When locked, the
BIOS boot block area cannot be updated.
Clear CMOS Jumper: JBAT1
There is a CMOS RAM on board that has a power supply from
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, use the
JBAT1 (Clear CMOS Jumper) to clear data. Follow the instructions in the image to clear the data.
MSI Reminds You...
You can clear CMOS by shorting 1-2 pin while the system is off. Then return to 2-3 pin position.
Avoid clearing the CMOS while the system is on, which will damage the mainboard.

PCI Express x16 Slot

The PCI Express slot, as a high-bandwidth,
low pin count, serial, interconnect technology,
support Intel highest performance desktop
platforms utilizing the Intel Pentium 4 processor with HT Technology with these platform benefits.
You can insert the expansion cards to meet your needs. When adding or removing expansion
cards, make sure that you unplug the power supply first. PCI Express architecture provides a
high performance I/O infrastructure for Desktop Platforms with transfer rates starting at 2.5 Giga
transfers per second over a PCI Express x1 lane for Gigabit Ethernet, TV Tuners, 1394
controllers, and general purpose I/O. Also, desktop platforms with PCI Express Architecture will
be designed to deliver highest performance in video, graphics, multimedia and other
sophisticated applications. Moreover, PCI Express architecture provides a high performance
graphics infrastructure for Desktop Platforms doubling the capability of existing AGP8x designs
with transfer rates of 4.0 GB/s over a PCI Express x16 lane for graphics controllers, while PCI
Express x1 supports transfer rate of 250 MB/s.
DESCRIPTION
Data Carry Detect
Receive Data Transmit
Data
Request To Send Ring
Indicate
PIN SIGNAL
2 SIN
4 DTR
6 DSR
8 CTS
10 X
8
DESCRIPTION
Serial in or receive data
Serial out or transmit data
Data Set Ready
Clear To Send
X
BIOS Flash BIOS Flash
Locked Unlocked