MSI 845GVM-V Datasheet download pdf (Page 15)

Serial Port Connector: JCOM2

The mainboard offers one optional serial port JCOM2. It is a 16550A high speed communication port

that sends/receives 16 bytes FIFOs. You can attach a serial device directly to it.

SO UT

DCD

SIN

DTR

CTS

RTS

DSR

GND

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 below to clear the data:

Keep Data Clear Data

MSI Reminds You...

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.

AGP (Accelerated Graphics Port) Slot (for 845GEM-V only)

The AGP slot allows you to insert the AGP graphics card. AGP is an interface specification designed for

the throughput demands of 3D graphics. It introduces a 66MHz, 32-bit channel for the graphics

controller to directly access main memory. The mainboard supports 4x/8x 1.5V AGP card.

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MSI 845GVM-V Datasheet Page 15