Advantech SOM-4463 B2, User Manual

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SOM-4463 B2 User Manual 24
3.3 Advanced PCI/PnP Settings
Select the PCI/PnP tab from the SOM-4463 B2 BIOS Setup screen to enter the PnP
BIOS Setup screen. Users can select a PnP BIOS Setup option by highlighting it
using the <Arrow> keys. All PnP BIOS Setup options are described in this section.
The PnP BIOS Setup screen is shown below.
Figure 3.20 PCI/PNP Setup Screen
 Clear NVRAM
Users can set this item to force the BIOS to clear the non-volatile random
access memory (NVRAM).The Optimal and Fail-Safe default setting is “No”.
 Plug & Play O/S
When this item is set to “No”, the BIOS configures all system devices. When set
to “Yes”, if users install a PnP operating system, the operating system will con-
figure the PnP devices not required for booting.
 PCI Latency Timer
This item allows users to select the value in units of PCI clocks for the PCI
device latency timer register.
 Allocate IRQ to PCI VGA
When set to “Yes”, the system assigns IRQ to the PCI VGA card if the card
requests an IRQ. When set to “No”, the system does not assign IRQ to the PCI
VGA card even if the card requests an IRQ.
 Palette Snooping
This item allows users to resolve problems caused by non-standard VGA cards.
 PCI IDE BusMaster
When set to “Enable”, PCI bus mastering is used to read and write to IDE
drives.
 OffBoard PCI / ISA IDE Card
Certain PCI IDE cards may require the card input PCI slot to be specified. When
set to “Auto”, most PCI IDE cards are supported.
 IRQ3 / 4 / 5 / 7 / 9 / 10 /11
This item allows users to assign an interruption type for IRQ-3, 4, 5, 7, 9, 10, 11.