Acer 930 Посібник з біосу - Сторінка 31

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PCI Device Latency Timer

This parameter allows you to set the length of time for a PCI device to use

the PCI bus.

A PCI master can burst indefinitely as long as the target can source/sink the

data, and no other agent requests for the bus. If another PCI device requests

for the use of the PCI bus, a PCI bus arbitration takes place, and the tenure

of the device currently using the PCI bus cannot go over the PCI latency

time set in BIOS. This setting depends on your application. For example, if

you install a high bandwidth block I/O card, e.g., FDDI, the longer the

latency time the better. This setting only affects the primary PCI

components (PCI slots 1, 2, 3, and onboard LAN). The secondary PCI

components (PCI slots 4, 5, and onboard SCSI1 and onboard SCSI2) are

always set to 20 PCI clocks.

PCI IRQ Sharing

Setting this parameter to

Yes

different devices. To disable the feature, select

If there are no IRQs available to assign for the

remaining device function, we recommend that

you enable this parameter.

BIOS Utility

allows you to assign the same IRQ to two

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