Asus A7S333 A7S333 User Manual - Page 29

Expansion slots - audio driver

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2.6 Expansion slots The motherboard has five PCI slots and one Accelerated Graphics Port (AGP) slot and oen AMR slot. The following sub-sections describe the slots and the expansion cards that they support. WARNING! Unplug your power supply when adding or removing expansion cards or other system components. Failure to do so may cause you physical injury and damage motherboard components. 2.6.1 Installing an expansion card Follow these steps to install an expansion card. 1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings. 2. Remove the system unit cover (if your motherboard is already installed in a chassis). 3. Remove the bracket opposite the PCI slot. Keep the screw for later use. 4. Align the card connector with the slot and press firmly until the card is completely seated on the slot. 5. Secure the card to the chassis with the screw you removed earlier. 6. Replace the system cover. 7. Set up the BIOS if necessary. 8. Install the necessary software drivers for your expansion card. 2.6.2 Configuring an expansion card Some expansion cards need an IRQ to operate. Generally, an IRQ must be exclusively assigned to one function at a time. In a standard design configuration, 16 IRQs are available but most are already in use. Normally, 6 IRQs are free for expansion cards. If the motherboard has PCI audio onboard, an additional IRQ will be used. If your motherboard also has MIDI enabled, another IRQ will be used, leaving 4 IRQs free. Sometimes IRQs are "shared" by more than one function; in this case, IRQ assignments are swapped automatically or adjusted through the BIOS firmware. ASUS A7S333 motherboard user guide 17

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ASUS A7S333 motherboard user guide
17
2.6.2
Configuring an expansion card
Some expansion cards need an IRQ to operate.
Generally, an IRQ must be
exclusively assigned to one function at a time. In a standard design
configuration, 16 IRQs are available but most are already in use.
Normally,
6 IRQs are free for expansion cards.
If the motherboard has
PCI
audio
onboard, an additional IRQ will be used. If your motherboard also has
MIDI
enabled, another IRQ will be used, leaving 4 IRQs free.
Sometimes IRQs
are “shared” by more than one function; in this case, IRQ assignments are
swapped automatically or adjusted through the BIOS firmware.
2.6
Expansion slots
The motherboard has five PCI slots and one Accelerated Graphics Port (AGP)
slot and oen AMR slot. The following sub-sections describe the slots and the
expansion cards that they support.
2.6.1
Installing an expansion card
Follow these steps to install an expansion
card.
1.
Before installing the expansion card, read
the documentation that came with it and
make the necessary hardware settings.
2.
Remove the system unit cover (if your
motherboard is already installed in a
chassis).
3.
Remove the bracket opposite the PCI slot.
Keep the screw for later use.
4.
Align the card connector with the slot and
press firmly until the card is completely
seated on the slot.
5.
Secure the card to the chassis with the
screw you removed earlier.
6.
Replace the system cover.
7.
Set up the BIOS if necessary.
8.
Install the necessary software drivers for your expansion card.
WARNING!
Unplug your power supply when adding or removing
expansion cards or other system components. Failure to do so may cause
you physical injury and damage motherboard components.