Asus P I-P55T2P4 User Manual - Page 48

PNP and PCI Setup

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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. IV. BIOS (Plug & Play / PCI) PNP OS Installed This field allows you to use a Plug-and-Play (PnP) operating system to configure the PCI bus slots instead of using the BIOS. Default setting is No. Slot 1 (RIGHT) IRQ to Slot 4 (LEFT) IRQ These fields set how IRQ use is determined for each PCI slot. The default setting for each field is Auto, which uses auto-routing to determine IRQ use. The other options are manual settings of NA, 5, 7, 9, 10, 11, 12, 14 or 15 for each slot. PCI Latency Timer The default setting of "32 PCI Clock" enables maximum PCI performance for this motherboard. IRQ xx Used By ISA These fields indicate whether or not the displayed IRQ for each field is being used by a legacy (non-PnP) ISA card. Two options are available: No/ICU and Yes. The first option, the default value, indicates either that the displayed IRQ is not used or an ISA Configuration Utility (ICU) is being used to determine if an ISA card is using that IRQ. If you install a legacy ISA card that requires a unique IRQ, and you are not using an ICU, you must set the field for that IRQ to Yes. For example: If you install a legacy ISA card that requires IRQ 10, then set IRQ10 Used By ISA to Yes... 42 ASUS P/I-P55T2P4 User's Manual

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ASUS P/I-P55T2P4 User’s Manual
42
IV.
BIOS SOFTWARE
(Plug & Play / PCI)
IV.
BIOS
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.
PNP OS Installed
This field allows you to use a Plug-and-Play (PnP) operating system to configure
the PCI bus slots instead of using the BIOS. Default setting is
No
.
Slot 1 (RIGHT) IRQ
to
Slot 4 (LEFT) IRQ
These fields set how IRQ use is determined for each PCI slot.
The default setting for
each field is
Auto
, which uses auto-routing to determine IRQ use. The other options are
manual settings of
NA, 5, 7, 9, 10, 11, 12, 14
or
15
for each slot.
PCI Latency Timer
The default setting of “32 PCI Clock” enables maximum PCI performance for this
motherboard.
IRQ xx Used By ISA
These fields indicate whether or not the displayed IRQ for each field is being used
by a legacy (non-PnP) ISA card.
Two options are available:
No/ICU
and
Yes
.
The
first option, the default value, indicates either that the displayed IRQ is not used or
an ISA Configuration Utility (ICU) is being used to determine if an ISA card is
using that IRQ.
If you install a legacy ISA card that requires a unique IRQ, and you
are not using an ICU, you must set the field for that IRQ to
Yes
.
For example:
If you
install a legacy ISA card that requires IRQ 10, then set
IRQ10 Used By ISA
to
Yes
.
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