Compaq 1200 Betriebsanweisung PDF herunterladen (Seite 143)

SRM Console 4-57

pci_parity

Disables or enables parity checking on the PCI bus.

Some PCI devices do not implement PCI parity checking, and some have a parity-

generating scheme in which the parity is sometimes incorrect or is not fully

compliant with the PCI specification. A side effect of this aberrant behavior is that

superfluous PCI parity errors are reported by the host PCI bridge. In such cases, the

device can be used as long as parity is not checked; disabling PCI parity checking

prevents false parity errors that can cause system problems.

The syntax is:

set pci_parity value

The options for value are:

on (default) Enables PCI parity checking.

off Disables PCI parity checking.

pk*0_fast

Enables fast SCSI to perform in either standard or fast mode. If the system has at

least one fast SCSI device, set the default controller speed to fast SCSI (1). Devices

on a controller that connects to both standard and fast SCSI devices will perform at

the appropriate rate for the device. If the system has no fast SCSI devices, set the

default controller speed to standard SCSI (0). If a fast SCSI device is on a controller

set to standard, it will perform in standard mode.

The syntax is:

set pk*0_fast scsi_speed

The options for scsi_speed are:

0 The controller is in standard SCSI mode.

1 (default) The controller is in fast SCSI mode.

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Compaq 1200 Betriebsanweisung Seite 143