IBM 847651U Handbook - Page 97

Using the SCSISelect Utility program, Adapter, Send Start Unit Command, Maximum Sync Transfer Rate

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Using the SCSISelect Utility program Note: On this menu, the SCSI controller is referred to as the Host Adapter. This menu has the following choices: Host Adapter SCSI ID The default SCSI ID of the SCSI controller is 7. Do not change this value. SCSI Parity Checking The default value is Enabled. Do not change this value. Host Adapter SCSI Termination The default value is Automatic. Do not change this value. Boot Device Options Select this choice to configure startable device parameters. Before you can make updates, you must know the ID of the device whose parameters you want to configure. The default startup (boot) SCSI ID is 0 for an internal SCSI hard disk drive in Channel A. SCSI Device Configuration Select this choice to configure SCSI device parameters. Before you can make updates, you must know the ID of the device whose parameters you want to configure. Notes: 1. For SCSI tape drives, set Send Start Unit Command to Off for that SCSI ID. This ensures proper server operation. 2. When the Maximum Sync Transfer Rate is set to 40.0, this value represents the transfer rate for UltraSCSI devices. When this value is set to 20.0, it represents the transfer rate for Fast SCSI devices. Advanced Configuration Options Select this choice to view or change the settings for advanced configuration options. These options include enabling support for large hard disk drives and support for drives with UltraSCSI speed. Chapter 3. Configuring your server 63

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Using the SCSISelect Utility program
Note:
On this menu, the SCSI controller is referred to as the
Host
Adapter
.
This menu has the following choices:
±
Host Adapter SCSI ID
The default SCSI ID of the SCSI controller is
7.
Do not change
this value.
±
SCSI Parity Checking
The default value is
Enabled.
Do not change this value.
±
Host Adapter SCSI Termination
The default value is
Automatic.
Do not change this value.
±
Boot Device Options
Select this choice to configure startable device parameters.
Before you can make updates, you must know the ID of the
device whose parameters you want to configure.
The default startup (boot) SCSI ID is 0 for an internal SCSI hard
disk drive in Channel A.
±
SCSI Device Configuration
Select this choice to configure SCSI device parameters.
Before
you can make updates, you must know the ID of the device
whose parameters you want to configure.
Notes:
1.
For SCSI tape drives, set
Send Start Unit Command
to Off
for that SCSI ID.
This ensures proper server operation.
2.
When the
Maximum Sync Transfer Rate
is set to 40.0, this
value represents the transfer rate for UltraSCSI devices.
When this value is set to 20.0, it represents the transfer rate
for Fast SCSI devices.
±
Advanced Configuration Options
Select this choice to view or change the settings for advanced
configuration options.
These options include enabling support
for large hard disk drives and support for drives with UltraSCSI
speed.
Chapter
3.
Configuring your server
63