Advantech IPPC-6172A Series, User Manual

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IPPC-6172A User Manual 40
PCI Latency Timer
Set this value to allow the PCI Latency Timer to be adjusted. This option sets the
latency of all PCI devices on the PCI bus. The default setting is 64.
Allocate IRQ to PCI VGA
Set this value to allow or restrict the system from giving the VGA adapter card an
interrupt address. The default setting is Yes.
PCI IDE BusMaster
Set this value to allow or prevent the use of PCI IDE busmastering. The default set-
ting is Disabled.
Option Description
32 This option sets the PCI latency to 32 PCI clock cycles.
64 This option sets the PCI latency to 64 PCI clock cycles. This is the
default setting.
96 This option sets the PCI latency to 96 PCI clock cycles.
128 This option sets the PCI latency to 128 PCI clock cycles.
160 This option sets the PCI latency to 160 PCI clock cycles.
192 This option sets the PCI latency to 192 PCI clock cycles.
224 This option sets the PCI latency to 224 PCI clock cycles.
248 This option sets the PCI latency to 248 PCI clock cycles.
Option Description
Yes Set this value to allow the allocation of an IRQ to a VGA adapter
card that uses the PCI local bus. This is the default setting.
No Set this value to prevent the allocation of an IRQ to a VGA adapter
card that uses the PCI local bus.
Option Description
Disabled Set this value to prevent PCI busmastering. This is the default set-
ting.
Enabled This option specifies that the IDE controller on the PCI local bus
has mastering capabilities.