BIOS
Configuration
PnP/PCI
Configuration
47
4.7. PnP/PCI Configuration
Both the ISA and PCI buses on the Mainboard use system IRQs (In-
terrupt ReQuests) and DMAs (Direct Memory Access). You must
set up the IRQ and DMA assignments correctly through the PnP/PCI
Configuration Setup utility; otherwise, the mainboard will not work
properly.
Selecting “PnP/PCI CONFIGURATION” on the main program
screen displays this menu:
ROM PCI/ISA BIOS (2A5LEF2A)
PNP/PCI CONFIGURATION
AWARD SOFTWARE, INC.
CPU to PCI Write Buffer
: Disabled
PCI Dynamic Bursting
: Disabled
PCI Master 0 WS Write
: Enabled
PCI Delay Transaction
: Disabled
PCI#2 Access #1 Retry
: Disabled
AGP Master 1 WS Write
: Disabled
AGP Master 1 WS Read
: Disabled
Assign IRQ For USB
: Disabled
Assign IRQ For VGA
: Disabled
PNP OS Installed
: No
Resources Controlled by : Manual
Reset Configuration Data : Disabled
IRQ-3
assigned to : PCI/ISA PnP
IRQ-4
assigned to : PCI/ISA PnP
IRQ-5
assigned to : PCI/ISA PnP
IRQ-7
assigned to : PCI/ISA PnP
IRQ-9
assigned to : PCI/ISA PnP
IRQ-10 assigned to : PCI/ISA PnP
IRQ-11 assigned to : PCI/ISA PnP
IRQ-12 assigned to : PCI/ISA PnP
IRQ-14 assigned to : PCI/ISA PnP
IRQ-15 assigned to : PCI/ISA PnP
DMA-0
assigned to : PCI/ISA PnP
DMA-1
assigned to : PCI/ISA PnP
DMA-3
assigned to : PCI/ISA PnP
DMA-5
assigned to : PCI/ISA PnP
DMA-7
assigned to : PCI/ISA PnP
Esc : Quit
↑
↑
↓
↓
→
→
←
←
: Select Item
F1 : Help
PU/PD/+/- : Modify
F5 : Old Values
(Shift) F2
: Color
F7 : Load Setup Defaults
Figure 4-6:
PNP/PCI configuration
PnP OS Installed:
Setting this option to “Yes” allows the PnP OS
(instead of BIOS) to assign the system resources such as IRQ and I/O
address to the ISA PnP device. The default setting is “No.”
Resources Controlled By:
The default setting is “Manual” which al-
lows you to control IRQs and DMAs individually. The other option
is “Auto” which will detect the system resources and automatically
assign the relative IRQs and DMAs for each peripheral.
Reset Configuration Data:
The system BIOS supports the Plug and
Play feature so the resources assigned to each peripheral have to be
recorded to prevent them from conflicting. The location to store the
assigned resources is called ESCD (Extended System Configuration
Data) which is located in the system flash EEPROM. If this option is
Summary of Contents for P5F113
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