Scsi hard reset (10h), Command format, Table 88: scsi hard reset parameter block – Ciprico Rimfire 3880 User Manual

Page 155: Description of fields

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User’s Guide

21020285 D

Chapter 7 Board-control Commands

SCSI Hard Reset (10H)

Page 7 - 31

SCSI Hard
Reset (10H)

The SCSI Hard Reset command simply asserts the reset (RST) signal on the
SCSI bus. It will abort all commands being executed, even those being executed
by devices that are currently disconnected. For this reason, it should only be
used as a drastic means of recovery.

Command

Format

The Parameter Block for the SCSI Hard Reset command has this format:

Description of

Fields

Each field of the SCSI Hard Reset Parameter Block is described below:

Command Identifier

The Command Identifier field is used to identify the Status Block associated
with a Parameter Block. It must be a unique value.

Adapter ID

This field identifies the type of command being issued. This is a Board-control
command. The value in this field must be FFH.

Command Code

The command code for this Board-control command is 10H.

Address

Offset

Byte Memory Address

Offset + 0

Offset + 1

Offset + 2

Offset + 3

00H

Command Identifier

04H

Reserved

Adapter ID = FFH

08H

Reserved

0CH

Reserved

10H

Command = 10H

Reserved

Reserved

14H

Reserved

18H

Reserved

Table 88: SCSI Hard Reset Parameter Block

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