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Chapter 3 Media Changer Commands

Mode Sense (6) / (10) Command (1Ah/ 5Ah)

80 Quantum ATL SuperLoader Software Interface Guide

Table 35 TapeAlert

Page Format

Descriptor

4 - 7

(MSB)

Interval Timer

(LSB)

8 - 11

MSB)

Report Count/Test Flag Number

(LSB)

Field Name Description

PS Parameters Savable. Not supported, this bit must be 0.

Additional Page

Length

This field indicates the number of bytes in the page. However, this value

does not include bytes 0 and 1. The length is returned on MODE SENSE

and must subsequently be set to the same value when performing

MODE SELECT. If the page length does not match that expected by the

drive, a CHECK CONDITION status is returned, sense key set to

ILLEGAL REQUEST.

The device returns a CHECK CONDITION status with sense key set to

ILLEGAL REQUEST if it receivees an unsupported Page Code or a Page

field with values not supported or changeable. In such cases, no

parameters are changed as a result of the command.

Perf Performance bit. Performance Impacting Exceptions are acceptable. This

bit is ignored.

DExcpt Disable Information Exception Operations. If = 0, the reporting method

specified by the contents of MRIE is selected. When this bit is set to 1, all

information exception conditions are disabled regardless of the contents

for the MRIE field. To enable CHECK CONDITION mode, DExcpt

should = 0. Default setting = 1.

Bit

Byte76543210

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 195 196

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Quantum SuperLoader Guida Utente Pagina 98