Soyo SY-P4I875P User Manual

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BIOS Setup Utility 
SY-P4I875P DRAGON 2 V1.0 
81 
PNP/PCI Configuration Controls 
 
Setting 
Description 
Note 
Disabled Retain PnP configuration 
data in BIOS. 
Default 
Reset 
Configuration 
Data 
Enabled  Reset PnP configuration data 
in BIOS. 
 
Manual 
BIOS does not manage PCI/ISA PnP 
card IRQ assignment. 
 
Required to assign IRQ-# and DMA-# to PCI or 
ISA PnP manually. 
IRQ-3,4,5,7,9,10,11,12,14,15 assigned to: _ 
DMA-0,1,3,5,6,7 assigned to: _ 
 
Resources 
Controlled By 
Auto 
(ESCD) 
The Plug-and-Play BIOS 
auto manages PCI/ISA PnP 
card IRQ assignment 
automatically. 
Default 
If [Resources Controlled By] is set to [Manual] 
PCI device 
Choose IRQ# assigned 
to PCI/ISA PnP card.
Default 
IRQ-#  assigned 
to: 
Reserved 
Reserved IRQ for 
Legacy cards. 
 
Under this item the user can assign an IRQ to a PCI slot. However, there under some 
conditions the IRQ will not be assigned as selected under this item: 
1.  IRQs 0, 1, 2, 6, 8, 13 can NOT be assigned, because they are fixed. 
2.  IRQs 5, 9, 10, 11 are available 
3.  IRQs 3,4,7,12,14 and 15 will only be assigned if they are free. See the table 
below on how to free them: