Quantum 1200 Series DAT Autochanger Guide de l'utilisateur télécharger pdf (Page 122)

MODE SELECT (6) / (10) Command (15h / 55h) SDLT 600 SCSI Interface Guide

4-80 January 2005 81-81200-02 REV A01

4.9.4 Control Mode Page (0Ah)

The Control Mode Page provides control over several features such as tagged queuing, extended

contingent allegiance, asynchronous event notification, and error logging.

Figure 4-47. Control Mode MODE SELECT Page — Data Format

Bit

Byte

7 6 5 4 3 2 1 0

0 PS (0) SPF (0) Page Code (0Ah)

1 Page Length (0Ah)

2 TST Reserved D_Sense GLTSD RLEC

3 Queue Algorithm Modifier (0) Rsv’d QErr (0) DQue (0)

4 TAS RAC UA_Intlck_Ctrl SWP Obsolete

5 Reserved Autoload Mode

6 – 7 Obsolete

8 – 9

(MSB)

Busy Timeout Period

(LSB)

10 – 11

(MSB)

Extended Self-test Completion Time

(LSB)

Table 4-49. Control Mode MODE SELECT Page — Field Descriptions

Field Name Description

PS Parameters Savable. For MODE SELECT, must be set to 0.

SPF SubPage Format. Always set to 0. Indicates that the drive uses the page_0 page

format.

Page Code Identifies the type of MODE SELECT page being transferred. A value of 0Ah

identifies this as the Control Mode Page.

Page Length Indicates the number of bytes in the page, excluding bytes 0 and 1. The length is

returned in MODE SENSE commands and must subsequently be set to the same

value when performing MODE SELECT. If the drive receives an unexpected page

length value, it returns a CHECK CONDITION status, Sense Key set to

ILLEGAL REQUEST.

1 2 ... 117 118 119 120 121 122 123 124 125 126 127 ... 293 294

Pas de commentaire

Quantum 1200 Series DAT Autochanger Guide de l'utilisateur Page 122