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Disconnect – SCSI devices have the ability to disconnect from the
initiator during an I/O transfer. This disconnect option frees the SCSI Bus
to allow other I/O processes. This option tells the host adapter whether
or not to allow a device to disconnect. Some devices run faster with
disconnects enabled (typically newer devices), while some run faster with
disconnects disabled (typically older devices).
Read/Write I/O Time-out (seconds) – This option sets the amount of
time the host adapter waits for a read, write, or seek command to
complete before trying the I/O transfer again. Since this provides a
safeguard allowing the system to recover if an I/O operation fails, it is
recommended that you always set the time-out to a value greater than
zero.
Note:
If the time-out is set to zero, then the I/O will never time-out.
Scan for Device at Boot Time – 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, you can speed up boot time by
changing this setting to No for all unused SCSI IDs.
Scan for SCSI Logical Units (LUNs) – Set this option to No if problems
arise with a device that responds to all LUNs whether they are occupied
or not. For example, if there is a SCSI device with multiple LUNs 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 only.
Queue Tags – This option allows the user to enable or disable the
issuing of queue tags during I/O requests when your device driver can
do this.
Initial Boot – This option allows any device attached to the first adapter
to become the boot device. It provides the users of non-BBS personal
computers with some of the flexibility of a BBS machine.
Format Device – If enabled, this option allows the user to low-level
format a magnetic disk drive. Low-level formatting will completely and
irreversibly erase all data on the drive. Formatting will default the drive to
a 512-byte sector size even if the drive had previously been formatted to
another sector size.
Starting the SCSI BIOS Configuration Utility
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