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3 Interface Cards
SCSI Adapter Cards
Starting the Symbios Configuration Utility
You access the Symbios Configuration Utility by pressing Ctrl-C when the
message
Press Ctrl-C to start Symbios Configuration
Utility...
is displayed during the PC Workstation’s start-up routine. A
further message is then displayed:
Please wait, invoking Symbios
Configuration Utility...
before the Main menu of the Symbios
Configuration utility appears.
Field Default Settings Description
MT/Sec 80 Indicates the maximum synchronous data transfer rate in megatransfers per second.
Data Width 16 Maximum data width in bits.
Scan ID Yes Indicates whether to scan for this SCSI identifier at boot time. Utilizing this setting allows
you to ignore a device. This decreases boot time by disabling inquiry of unused SCSI
identifiers.
Set this option to No if there is a device that you do not want to be available to the system.
Also, on a bus with only a few devices attached, the user can speed up boot time by
changing this setting to No for all unused SCSI IDs.
Scan LUNs Yes Indicates whether to scan for LUNs greater than zero for a device. LUN 0 is always queried.
This option should be used if a multi-LUN device responds to unoccupied LUNs or if it is
desired to reduce the visibility of a multi-LUN device to LUN 0 only.
Set this option to No if you have problems with a device that responds to all LUNs whether
they are occupied or not. Also, if a SCSI device with multiple LUNs exists on your system but
you do not want all of those LUNs to be available to the system, then set this option to No.
This will limit the scan to LUN 0.
Disconnect On Indicates whether to allow a device to disconnect during SCSI operations. Some (usually
newer) devices run faster with disconnect enabled, while some (usually older) devices run
faster with disconnect disabled.
SCSI Timeout 10 Indicates the maximum allowable time for completion of a SCSI operation in seconds.
Since time-outs provide a safeguard that allows the system to recover should an operation
fail, it is recommended that a value greater than zero be used. A value of zero allows
unlimited time for an operation to complete and could result in the system hanging (waiting
forever) should an operation fail.
N
NN
No
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::
: This field is executable and must be selected with the Enter key. You also input the
new value with the number keys from the keyboard, not the number pad.
Queue Tags On This field indicates whether to allow the use of queue tags for a device. Currently the BIOS
does not use queue tags. This item specifies queue tag control to higher level device drivers.