Adaptec 3940UW User's Guide download pdf (Page 45)

3-7

Configuring Your Host Adapter

AHA-3940U/3940UW/3940UWD User’s Guide

Stock Number: 511041-00, Rev. B Page: 3-7

Print Spec Number: 494569-00

Current Date: 2/14/97 ECN Date: 2/17/97

The Configuration menu has the following additional options for

advanced users:

■

Boot Device Options: Specify ID and LUN to boot from.

■

SCSI Device Configuration: Specify for each SCSI device the

maximum synchronous transfer rate, use of the Start Unit com-

mand, and other criteria.

■

Advanced Configuration Options: Select advanced options

for configuring the channel.

See SCSI Device Configuration on page 3-11 and Advanced Configura-

tion Options on page 3-15 for information on these selections.

Host Adapter SCSI ID

Each SCSI device on the SCSI bus, including each channel on the

host adapter, must have a unique SCSI ID. The SCSI ID uniquely

identifies each SCSI device on the bus, and it determines the priority

of the device on the bus when two or more devices request use of it.

The Host Adapter SCSI ID option on the Configuration menu lets you

change the channel SCSI ID. The screen in Figure 3-5 shows the avail-

able IDs for each channel on the AHA-3940U/3940UW/3940UWD.

The default ID is 7, which has the highest priority on the SCSI bus.

We recommend that you keep this setting.

Figure 3-5. Host Adapter SCSI ID Selection Screen for AHA-3940UW/3940UWD

Adaptec AHA-3940 Ultra/Ultra W SCSISelect(TM) Utility v1.22

Arrow keys to move cursor, <Enter> to select option, <Esc> to exit (

= default)

SCSI Channel Interface Definitions

Host Adapter SCSI ID ........................................

SCSI Parity Checking ........................................

Host Adapter SCSI Termination ........................

Additional Options

Boot Device Options............................................

SCSI Device Configuration ................................

Advanced Configuration Options .......................

AHA-3940 Ultra/Ultra W at Bus:Channel 01:A

Configuration

<F6> - Reset to Host Adapter Defaults

Enabled

Automatic

Press <Enter>

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