MSI MS-7140 Manuel d'instructions télécharger pdf (Page 13)

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 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 Express Slots

The PCI Express slots, 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.

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.

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 (Peripheral Component Interconnect) Slots

The PCI slots allow you to insert the expansion cards to meet your needs. When adding or

removing expansion cards, make sure that you unplug the power supply first. Meanwhile, read

the documentation for the expansion card to make any

necessary hardware or software settings for the

expansion card, such as jumpers, switches or BIOS

configuration.

PCI Interrupt Request Routing

The IRQ, abbreviation of interrupt request line and pronounced I-R-Q, are hardware lines over

which devices can send interrupt signals to the microprocessor. The PCI IRQ pins are typically

connected to the PCI bus INT A# ~ INT D# pins as follows:

Order1 Order2 Order3 Order4

PCI Slot 1

INT A# INT B# INT C# INT D#

PCI Slot 2

INT B# INT C# INT D# INT A#

PCI Slot 3

INT C INT D# INT A# INT B#

PCI Express x 16 Slot

PCI Express x 1 Slot

Keep Data

Clear Data

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 77 78

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MSI MS-7140 Manuel d'instructions Page 13

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