NEC POWERMATE P - SERVICE MANUAL 1996 Service And Reference Manual page 56

Jumper settings on the IDE device set the device to master or slave (see the documentation
that comes with the device).
Select the IDE Adapter option configuration directly from the Main Menu summary
window. Available options include:
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IDE Adapter 0 Master
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IDE Adapter 0 Slave
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IDE Adapter 1 Master
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IDE Adapter 1 Slave.
IDE Adapter 0 configures the primary IDE/PCI port (primary channel), IDE Adapter 1
configures the secondary IDE port.
Each IDE Adapter parameter has a right-pointing arrow to the left of it. Selecting the
option displays an IDE adapters advanced features menu with IDE hard disk parameters.
Select an IDE Adapter option and set parameters for each hard disk separately.
Use Table Section 2-3 to configure the hard disk. If the IDE hard disk features auto IDE
type detection, select the Autotype Fixed Disk parameter. The system then automatically
detects the hard disk type and sets the remaining parameters.
CAUTION: Incorrect settings can cause the
system to malfunction and to not read the drive.
Setup and Operation 2-17