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Ch 4: System Environment Settings
Hitachi PC VisionBase8450H/R Server 105
Width (bits)
Used to set an SCSI width in bits. Use the default “8” for the Narrow-SCSI controller and the default “16” for the
Wide-SCSI controller.
Narrow-SCSI
• 8: (default; this value is unchangeable)
Wide-SCSI
• 8
• 16: (default)
Disconnect
Used to specify whether or not to temporarily release the bus for use by other SCSI devices when a particular SCSI
device requires much processing time to execute a command requested from the board. In ordinary circumstances,
use the default “On”.
Some SCSI devices do not have this “Disconnect” function. For such devices, select “Off”.
• Off: Does not release the bus.
• On: Releases the bus (default).
Read Write I/O Timeout (secs)
Used to set time-out length for read/write operation. If you choose this item, a numeric entry field is displayed.
Entera value you desire in this field, then press the [Enter] key. In ordinary situations, use the default “10”.
Scan for Device at Boot Time
Used to specify whether or not to scan this device at the time of startup.
• No: No to scan
• Yes: To scan (default)
Scan for SCSI LUNS
Used to specify whether or not to support logical unit numbers (LUNs).
NOTE: Specifying “No” will scan only LUN0 for some devices replying with all LUNs regardless of whether or not
they are in use.
• No: No to support
• Yes: To support (default)
Queue Tags
Used to specify whether or not to support addition of commands.
• Off: Not to support
• On: To support (default)
Initial Boot Device
Used to specify whether or not to boot from this device at the time of startup.
• No: Not to boot (default)
• Yes: To boot