Asus TX97-N TX97-N User Manual - Page 20

Expansion Cards

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III. INSTALLATION (Expansion Cards) III. INSTALLATION 4. Expansion Cards WARNING! Make sure that you unplug your power supply when adding or removing expansion cards or other system components. Failure to do so may cause severe damage to both your motherboard and expansion cards. First read your expansion card documentation on any hardware and software settings that may be required to setup your specific card. Expansion Card Installation Procedure: 1. Read the documentation for your expansion card. 2. Set any necessary jumpers on your expansion card. 3. Remove your computer system's cover. 4. Remove the bracket on the slot you intend to use. Keep the bracket for pos- sible future use. 5. Carefully align the card's connectors and press firmly. 6. Secure the card on the slot with the screw you removed in step 4. 7. Replace the computer system's cover. 8. Setup the BIOS if necessary (such as "IRQ xx Used By ISA: Yes" in PNP AND PCI SETUP) 9. Install the necessary software drivers for your expansion card. Assigning IRQs for Expansion Cards Some expansion cards need to use an IRQ to operate. Generally an IRQ must be exclusively assigned to one use. In an standard design there are 16 IRQs available but most of them are already in use by parts of the system which leaves 6 free for expansion cards. Both ISA and PCI expansion cards may need to use IRQs. System IRQs are available to cards installed in the ISA expansion bus first, and any remaining IRQs are then used by PCI cards. Currently, there are two types of ISA cards. 20 ASUS TX97-N User's Manual

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20
ASUS TX97-N User’s Manual
III. INSTALLATION
(Expansion Cards)
III.
INSTALLATION
4.
Expansion Cards
WARNING!
Make sure that you unplug your power supply when adding or
removing expansion cards or other system components.
Failure to do so may
cause severe damage to both your motherboard and expansion cards.
First read your expansion card documentation on any hardware and software set-
tings that may be required to setup your specific card.
Expansion Card Installation Procedure:
1.
Read the documentation for your expansion card.
2.
Set any necessary jumpers on your expansion card.
3.
Remove your computer system’s cover.
4.
Remove the bracket on the slot you intend to use.
Keep the bracket for pos-
sible future use.
5.
Carefully align the card’s connectors and press firmly.
6.
Secure the card on the slot with the screw you removed in step 4.
7.
Replace the computer system’s cover.
8.
Setup the BIOS if necessary
(such as “IRQ xx Used By ISA: Yes” in PNP AND PCI SETUP)
9.
Install the necessary software drivers for your expansion card.
Assigning IRQs for Expansion Cards
Some expansion cards need to use an IRQ to operate.
Generally an IRQ must be
exclusively assigned to one use.
In an standard design there are 16 IRQs available
but most of them are already in use by parts of the system which leaves 6 free for
expansion cards.
Both ISA and PCI expansion cards may need to use IRQs.
System IRQs are avail-
able to cards installed in the ISA expansion bus first, and any remaining IRQs are
then used by PCI cards. Currently, there are two types of ISA cards.