Appendix D Defaults

Page D - 4

 

 

 

Hardware Defaults

Command

If you do nothing to change the board operation by using the available Board-

Defaults

control commands, the adapter uses defaults. These are listed below. For more

 

 

information see Chapter 7.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Command Parameters

Default Values

Meaning

 

 

 

Identify - returned in the status block

 

 

 

 

 

Engineering Revision

XX

 

 

 

 

 

 

 

 

 

 

Firmware Revision

XX

Depends on revision.

 

 

 

 

 

 

 

 

 

Day, Month, Year

XXXXXX

 

 

 

 

 

 

 

 

 

 

 

 

Options Flags = 14H

 

 

 

 

 

 

 

 

 

 

 

 

Tag

bit 2 = 1

Tagged commands supported.

 

 

 

 

 

 

 

 

Reset

bit 4 = 1

SCSI bus will reset at adapter reset - set by

 

 

board jumper default setting.

 

 

 

 

 

 

 

SCSI ID

bits 0, 5, 6, 7 = 0

Set by board jumper default settings.

 

 

 

 

 

 

 

 

FW # of Even Prom

XXXXXXXX

Depends on revision.

 

 

 

 

 

 

General Option - these are used if you set nothing yourself

 

 

 

 

 

 

 

 

Bus Throttle

0BH

2048 bytes per burst.

 

 

 

 

 

 

 

 

 

Select Flags = 03H

 

 

 

 

 

 

 

 

 

 

 

 

Disconnect/Reconnect

bit 0 = 1

Allow Disconnect/Reconnect.

 

 

 

 

 

 

 

 

SCS Bus Parity

bit 1 = 1

Check for SCSI parity errors.

 

 

 

 

 

 

 

 

Block Mode Transfers

bit 2 = 0

Block Mode transfers depend on address

 

 

modifiers.

 

 

 

 

 

 

 

Unit Options and Extended Unit Options - used if you set nothing

 

 

 

 

 

 

 

 

Disconnect Timeout

0H

No timeout occurs

 

 

 

 

 

 

 

 

Retry Limit

0H

No retries enabled.

 

 

 

 

 

 

 

 

 

Retry Control = 0H

 

 

 

 

 

 

 

 

 

 

 

 

Issue Interrupt

bit 0 = 0

No interrupt on retry.

 

 

 

 

 

 

 

 

Issue Status Block

bit 1 = 0

No Status Block on retry.

 

 

 

 

 

 

 

 

Retry Parity Errors

bit 2 = 0

No retry for parity errors.

 

 

 

 

 

 

 

 

Retry Command Errors

bit 3 = 0

No retry for device errors.

 

 

 

 

 

 

 

 

Retry Bus Errors

bit 4 = 0

No retry for bus errors.

 

 

 

 

 

 

 

 

Select Timeout

FAH

250 milliseconds.

 

 

 

 

 

 

 

 

 

Unit Flags = 0H

 

 

 

 

 

 

 

 

 

 

 

 

Untagged Queue

bit 0 = 0

Send one command at a time.

 

 

 

 

 

 

 

 

Synch Negotiation

bit 1 = 0

Will not initiate synchronous negotiation.

 

 

 

 

 

 

 

 

Inhibit ATN Signal

bit 2 = 0

ATN will be asserted.

 

 

 

 

 

 

 

 

Wide Transfers

bit 3 = 0

Will not initiate wide negotiation.

 

 

 

 

 

 

 

 

Tagged Commands

bit 6 = 0

Tagged commands not negotiated.

 

 

 

 

 

 

 

 

Sense Count

08H

First eight bytes of Sense Data.

 

 

 

 

 

 

 

 

Selected Sense Bytes

all = 0

First eight bytes of Sense Data returned.

 

 

 

 

 

 

Board Information - these are returned in a Data Structure

 

 

 

 

 

 

 

 

 

Select Flags = 03H

 

 

 

 

 

 

 

 

 

 

 

 

Disconnect/Reconnect

bit 0 = 1

Allow Disconnect/Reconnect.

 

 

 

 

 

 

 

 

SCSI Bus Parity

bit 1 = 1

Check for SCSI parity errors.

 

 

 

 

 

 

 

 

Block Mode Transfers

bit 2 = 0

Block Mode transfers depend on address

 

 

modifiers.

 

 

 

 

 

 

 

 

 

 

 

 

Bus Throttle

0BH

2048 bytes per burst.

 

 

 

 

 

 

 

Table 127: Command Defaults

21020285 D

User’s Guide

Page 214
Image 214
Ciprico Rimfire 3880 manual Appendix D Defaults, Command Defaults