Expansion Cards - JETWAY J-791A User Manual

PART A

2-5 Expansion Cards

You must read the documentation come with expansion card for any hardware or software
settings that may be required to setup your specific card.
Installation Procedure:
1. Read the documentation from your expansion card.
2. Set any necessary jumpers on your expansion card.
3. Remove your computer's cover.
4. Remove the bracket on the slot you intend to use.
5. Carefully align the card's connectors and press firmly.
6. Secure the card on the slot with the screw you remove in step 4.
7. Replace the computer's cover.
8. Setup the BIOS if necessary.
9. Install the necessary software drivers for your expansion card.
Assigning IRQs for Expansion Cards
Some expansion cards may require an IRQ to operate. Generally an IRQ must be exclusively
assigned to only one device. In an standard design there are 16 IRQs available but most of
them are occupied by the system and leaves 6 free for expansion cards.
Either AGP, ISA or PCI expansion cards may require an IRQs. System IRQs are available to
cards installed in the ISA expansion first, and any remaining IRQs can be used by PCI cards.
Currently, there are two types of ISA cards. An original ISA expansion card design, know as
"Legacy" ISA cards, they request configure the card's jumpers manually and then install it in
any available slot on the ISA bus, and other know as Plug and Play. You may use Microsoft's
Diagnostic (MSD.EXE) utility included in the DOS directory to see a map of your used and any
free IRQs. For Windows 95 users, the "Control Panel" icon in "My Computer", contains a
"System" icon which gives you "Device Manager" tab. Double clicking on a specific device
give you "Resources" tab which shows the Interrupt number and address. Make sure that no
any two of devices use the same IRQs, or your computer will experience problems when those
two devices are in use at the same time.
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