Emerson MVME147 manual Scsi Packets, 1.SCSI Functions, Introduction, Function Code, Description

SCSI PACKETS

7

Introduction

Command packets for the SCSI functions are listed in Table 7-1. The command packets are described in detail in the following paragraphs.

		Table 7-1. SCSI Functions
	SCSI
	FUNCTION CODE		DESCRIPTION
$00		Read (use new read, refer to $70 below)
$04			Write (use new write, refer to $74 below)
$08			Attach (use new disk attach, refer to
			$78 below)
	$0C		Detach (all devices)
$10			Format (with/without defect list)
$14			Assign Alternate Sector
$18			Reserved
	$1C		Custom SCSI Sequence (refer to Chapter 2)
$20			SCSI Bus Reset
$24			SCSI Controller Reset
$28			Tape Attach (use new tape attach, refer
			to $6C below)
	$2C		Erase
$30			Rewind
$34			Read Block Limits
$38			Space (blocks, filemarks, sequential
			filemarks, end of data)
	$3C		Write Filemarks
$40			Verify CRC
$44			Tape Mode Select
$48			Tape Mode Sense