B&R 5PC810.BX01-00, User Manual, Page: 214 / 428

Software • BIOS options
214 Automation PC 810 with GM45 CPU board user's manual V1.28
1.4.2 PCI Configuration
Figure 110: GM45 Advanced PCI Configuration
BIOS setting Description Configuration options Effect
Yes The operating system handles the distribution
of resources.
Plug & Play O/S BIOS is informed if Plug & Play is capable on the
operating system.
No BIOS handles the distribution of resources.
PCI latency timer Option for controlling how long (in PCI ticks) one
PCI bus card can continue to use the master after
another PCI card has requested access
32, 64, 96, 128,
160, 192, 224, 248
Manually sets the value in PCI ticks
Yes Automatic assignment of an interrupt. Allocate IRQ to PCI VGA This function is used to determine if an interrupt
is assigned to the PCI VGA.
No No assignment of an interrupt.
Yes Automatic assignment of a PCI interrupt. Allocate IRQ to SMBUS
HC
Use this function to set whether or not the SM
(System Management) bus controller is assigned
a PCI interrupt.
No No assignment of an interrupt.
Yes Automatic assignment of a PCI interrupt. Allocate IRQ to PCIEX2 Use this function to set whether or not the PCIEX2
is assigned a PCI interrupt.
No No assignment of an interrupt.
PCI IRQ Resource Exclu-
sion
Configures the PCI IRQ resource settings for ISA
Legacy devices.
Enter Opens the submenu
See "PCI IRQ Resource Exclusion" on page
215
PCI Interrupt Routing Configures PCI interrupt routing Enter Opens the submenu
See "PCI Interrupt Routing" on page 216
Table 175: GM45 - Advanced PCI configuration - Setting options