Intergraph InterServe 600 Series System Setup page 38

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Primary PCI SCSI
This parameter activates the PCI-based SCSI controller on the system board when set to
Enabled (the default). The SCSI controller can be disabled by changing the value to Disabled.
Secondary PCI SCSI
This parameter, available only on deskside systems, activates the PCI-based SCSI controller
on the riser card when set to Enabled (the default). The SCSI controller can be disabled by
changing the value to Disabled.
Operating System Boot Device
This parameter specifies which controller the BIOS will attempt to boot from first. The device
that you specify to be the boot device is assigned to drive C. By default, drive C is the system
hard disk drive. Refer also to the System Boot Up Sequence parameter in "Advanced Setup."
Boot to PnP Operating System
When this parameter is set to No (the default), the BIOS initializes all devices during boot up.
When set to Yes, the BIOS only performs the amount of initialization required to load the
operating system. Any other device initialization must then be performed by the operating
system.
PCI IDE Card Present in
Some PCI option boards do not comply with the PCI specification. Use this parameter to
indicate the slot number of a noncompliant PCI IDE option board. Some PCI IDE boards are
fully compliant, in which case this option is not needed. The settings are Absent, Slot 1, or
Slot 2. PCI IDE boards are never supported in slots 3 through 6. The default setting is
Absent.
PCI IDE IRQ14 Connected to
When the PCI IDE Card Present In option is used to select a slot number, this parameter is
active. The options are Edge and Level. When activated, the default is Level.
PCI IDE IRQ15 Connected to
When the PCI IDE Card Present In option is used to select a slot number, this parameter is
active. The options are Edge and Level. When activated, the default is Level.