Hitachi 8450H/R - Manual (Page 109)

Ch 4: System Environment Settings
Hitachi PC VisionBase 8450H/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.
Enter a 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