Computer Hardware
When installing PCI NICS you can check the IRQ availability by looking at

None of these
Dip switches
CONFIG.SYS
Motherboard BIOS
Jumper settings

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Computer Hardware
To install a second IDE drive into a computer, you must

Use the IDE configuration software to set the new drive as slave
Set the master-slave jumper to slave on the second drive
Verify that you define the new drive as D: in the CMOS setup
Verify that you attach the drive to the connector at the end of the ribbon cable

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