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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, which will
damage the mainboard.
AGP (Accelerated Graphics Port) Slot
The AGP slot allows you to insert the AGP graphics card. AGP is an interface
specificadesigned for the throughput demands of 3D graphics. It introduces a
66Mthe graphics controller to directly access main memory. The slot supports AGP
card for 8x/4x at 1.5v (3.3v is not supported).
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 thepower supply
first. Meanwhile, read the documennecessary hardware or software settings for the
expansion card, such as jumpers, switches 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:
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