Acrosser AR-B8170 - Manual (Page 20)

AR-B8170 User Manual
3.3 PCIPnP
PCI Latency Timer
Allow you to select the value in units of PCI clocks for all of the PCI device latency timer register.
Configuration option: 32, 64, 96, 128, 160, 192, 224, 248.
Option Description
32, 64, 96, 128,
160, 192, 224, 248
This option sets the PCI latency to 32, 64, 96, 128, 160, 192,
224, 248 PCI clock cycles.
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 This decides how long a PCI device can hog the PCI bus for , higher
setting , hogs the bus a little longer , lower setting lets go quicker but stuff like some sound card
(PCI of course) will start to crackle , default on this board was default at 64.
IRQ
This item can select the IRQ with Available or Reserved. And the default of IRQ3, 4 are Reserved
and others are Available. When you set available, the specified IRQ is to be used by a PCI/PnP
device; as you set reserved, the IRQ will reserved for legacy ISA devices.
Interrupt Option Description
Available
This setting allows the specified IRQ to be used by a PCI/PnP
device. This is the default setting.
IRQx (3~14)
Reserved
This setting allows the specified IRQ to be used by a legacy ISA
device.
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