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ASUS SP97 / SP97-V User’s Manual50
IV. BIOS SOFTWARE
PNP and PCI Setup
This “PNP and PCI Setup” option configures the PCI bus slots. All PCI bus slots on
the system use INTA#, thus all installed PCI cards must be set to this value.
NOTE: SETUP Defaults are noted in parenthesis next to each function heading.
Details of PNP and PCI Setup
PNP OS Installed (No)
When Plug and Play operating systems (OS) are installed, interrupts may be reas-
signed by the OS when Yes is selected. When a non-Plug and Play OS is installed or
to prevent reassigning of interrupt settings, select No.
Slot 1/2/3/4 IRQ (Auto)
The first four fields on the screen set how IRQ use is determined for each PCI slot.
Slot 1 (Right) is nearest the memory sockets. The default setting for each field is
Auto, which uses autorouting to determine IRQ use. The other options are the manual
settings of NA, 5, 7, 9, 10, 11, 12, 14, or 15 for each slot.
PCI Latency Timer (32 PCI Clock)
The default setting of 32 PCI Clock enables maximum PCI performance for this
motherboard.
IV. BIOS
(PnP and PCI)