Quantum DLT-S4 Guia do Utilizador descarregar pdf (Página 279)

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Chapter 4 SCSI Commands

READ ATTRIBUTE Command (8Ch)

DLT-S4 Interface Reference Guide 245

Table 137 EMAM Attribute

Formats

Attribute Identifier Values 4

The values in the Attribute Identifier field (see Attribute Format) are

assigned according to the attribute type and whether the attribute is

standard or vendor unique (see table 138

Table 138 EMAM Attribute

Identifier Range Assignments

Only parameters with an Attribute Type of Host can be written using the

WRITE ATTRIBUTES commands. All other attributes are reported as read

only.

Format Name Description

00b BINARY The Attribute Value field contains binary

data.

01b ASCII The Attribute Value field contains only

graphic codes; that is, byte code values 20h

through 7Eh, and is left-aligned, placing any

unused bytes at the highest offset in the

field. The field contains 20h, the ASCII

space character, in any unused bytes.

10b TEXT The Attribute Value field contains text data.

11b Reserved

Attribute

Identifiers

Attribute

Type Subtype

0000h - 03FFh Device Standard

0400h - 07FFh Medium Standard

0800h - 0BFFh Host Standard

0C00h - 0FFFh Device Vendor Unique

1000h - 13FFh Medium Vendor Unique

1400h - 17FFh Host Vendor Unique

1800h - FFFFh Reserved

1 2 ... 274 275 276 277 278 279 280 281 282 283 284 ... 385 386

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