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Inquiry command (12h) (continued) – Quantum 10K II User Manual

Page 103

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SCSI Description

5–36

Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives

INQUIRY Command (12h) (continued)

Table 5–13 Standard Inquiry Data Page — Field Descriptions

Field Name

Value

Description

Peripheral Qualifier

0

Non-zero if initiator selects an invalid logical unit.

Peripheral Device Type

0

0 indicates that this is a Direct Access Device.

ANSI Version

3

ANSI SCSI Level 3 (SCSI-3) is supported.

AERC

0

Asynchronous Event Reporting is not supported.

NormACA

0

Does not support setting NACA in CDB Control word.

Port

0

Only used when MultiP = 1.

MultiP

0

This field set to 1 if it is a multiport device.

Mchngr

0

Not embedded in or attached to a medium changer

ACKQREQQ

0

Device supports REQ and ACK data handshake on Q cable.

Addr32

0

32-bit wide SCSI address

Addr16

0/1

16-bit wide SCSI address

TrmTSK

0

TERMINATE TASK Function is not supported

Response Data Format

2

This Standard Inquiry Data is in the format specified in the
International Standard.

RelAdr

0

Relative Addressing is not supported.

WBus 32

0

32-bit wide bus is not supported.

WBus 16

0 or 1

The WBus bit is 1 if the drive supports 16-bit data transfer.

The

bit is 0 if the drive only supports 8-bit transfer.

Sync

1

The drive supports Synchronous Data Transfers.

Linked

1

Linked Commands are supported.

TransDis

1

Indicates that the drive supports CONTINUE TASK and
TARGET TRANSFER DISABLE messages.

CmdQue

1

The drive supports Tagged Command Queuing.

SftRe

0

The drive implements the hard reset option in response to
assertion of the SCSI Bus reset line.

VS

0

Vendor Specific

Product Identification

The value in this field is:
ATLAS10KII-9WLS, ATLAS10KII-18 WLS, ATLAS10KII-36WLS
ATLAS10KII-72WLS if the parallel drive supports 16-bit data
transfers;
or
ATLAS10KII-9SCA, ATLAS10KII-18SCA, ATLAS10KII-36SCA
ATLAS10KII-72SCA if the parallel drive supports 16-bit data
transfers through SCA.
Note: Product Identification may vary from the above,

depending on OEM customer specifications.

NOTE:

Vendor Information, Product Identification, and Product Revision Level are returned as shown in
Figure 5-10.