Quantum DLT4700, DLT2500xt, DLT2700xt, DLT4500, DLT2500 User Manual

Quantum Corporation DLTtape Application Note

Sub-Personality

communication protocol over RS422 port. Only by the library OEM customers use

provided for backward compatibility, OEM-1 is recommended over this code. Only

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DLT™ OEM/OML/OMX FIRMWARE PERSONALITIES

This application note is to be used only as a guideline for the titled subject. The user assumes all responsibility for understanding the interrelationships of this information with other affected software or system products. Quantum Corporation provides this information as a service only, and assumes no responsibility for any damages, which could result from the use of this information.

The information in this application note is subject to change without notice and is not to be construed as a commitment by Quantum Corporation. Quantum Corporation assumes no responsibility for any errors that may appear in this document.

NOTE: The information in this document pertains to DLT™2000, DLT™2000XT, DLT™4000 or DLT™7000 tape unit or DLT™2500, DLT™2500XT, DLT™2700, DLT™2700XT, DLT™4500 or DLT™4700 tape mini-library.

This application note is a brief description of the various personalities of the DLT OEM/OML firmware and their intended applications. The firmware personality and the sub-personality are returned in vendor unique inquiry bytes 41 and 42 on SCSI inquiry commands. The OEM firmware personality is represented by a value of 04h. The OML firmware personality is represented by a value of 0Fh and the OMX firmware personality is represented by a value of 12h.

In general for OEM choices, OEM-1 is the recommended personality for DLT tape drives. Refer to the description below for more information.

Personality Type

OEM 1 This personality is an OEM-based ANSI SCSI-2 variation. It is the standard

OEM 2 This personality is an OEM-based ANSI SCSI-1 variation and is used only for

OEM 3 This personality is an emulation of the IBM 7208, Model 2 and is used only for

OEM 8 This personality is the standard SCSI-2 implementation with one-way

OEM 9 This personality allows DLT emulation of SCSI-2, 8mm tape drive (EXB-8505)

OEM 10 This personality allows DLT emulation of HP 7980S when attached to

Description

personality shipped with the drive. This code is used for DLT tape unit installations on most platforms.

those applications that require SCSI-1 features. Only available for DLT2000, DLT2000XT, and DLT4000.

DLT tape unit installation on an AS/400. This personality is not available for DLT7000. Only available for DLT2000, DLT2000XT, and DLT4000.

this code. The SCSI implementation is identical to OEM-1. when attached to HP9000/800 systems. HP's fbackup and frecover are not

supported with this code. Although provided for backward compatibility, OEM-1 is recommended over this code. Only available for DLT2000, DLT2000XT, and DLT4000.

HP9000/800 systems. Earlier code revisions emulate HP35450A. Although available for DLT2000, DLT2000XT, and DLT4000.

Quantum Corporation DLTtape Application Note

Sub-Personality

communication protocol over RS422 port. Only by the library OEM customers use

3 second unload

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Personality Type

OEM 11 This personality allows DLT emulation of SCSI-1, 8mm tape drive (EXB-8200).

OML 1 This personality is the standard SCSI-2 implementation with two-way

OML 3 This personality is identical to OML-1 except that it has NoRdyUAonUnld set to OMX 1 This personality is identical to OML-1 except for the addition of a OMX 2 This personality provides support for DLTstorTM 114 Loaders.

Description

This code is designed for those platforms whose DLT device drivers are not available or the system kernel cannot be reconfigured to recognize DLT devices.

this code. The SCSI implementation is identical to OEM-1. TRUE. delay.