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Microsoft Windows Logo Program System and Device Requirements  —  154

B10.5.4.2.5 Supports digital audio detection and digital audio quality on CD-ROM drive

CD and DVD drives must implement "CD Capabilities and Mechanical Status Page" (2Ah), as defined in the MMC-2 standard. The bit "CD-DA Commands Supported" must be set and the functionality must be implemented.

CD and DVD drives must also implement and set the bit "CD-DA Stream is Accurate" of "CD Capabilities and Mechanical Status Page." The READ_CD command and READ_RAW commands must provide sector-accurate reads, as defined in MMC-2. Data alignment accuracy must be equivalent to that of data reads. Because of the lack of error correction code (ECC) bytes used for data tracks, the data itself may contain inaccuracies due to physical defects of the media.

A CD-R/RW drive must support the following commands, as defined in SFF-8090 and MMC-2:

Get Configuration  Get Event/Status Notification     Operational Change Request/Notification     External Request     Media Request     Device Busy Mode sense10, Mode Select10  Prevent/Allow Medium Removal  ReadTOCPAMAATIP  Read CD, Read CD MSF  Read Disc Information  Read Track Information  Send OPC Information  Set CD Speed  Start/Stop Unit Blank  Write 10, Read 10, Read 12  Write 12, in the following cases:

DVD+RW Feature (2Ah) DDCD-R Write Feature (31h) DDCD-RW Write Feature (32h) Real-Time Streaming Feature (107h)

A CD-R/RW drive that identifies itself as CD-RW capable must support the following capabilities:

Capability

Description

Profile List

A list of all profiles supported by the device.

Core

Basic functionality.

Morphing

Ability to notify Initiator about operational changes and accept Initiator requests to prevent operational changes.

Removable Medium

The medium may be removed from the device.

Random Readable

Read ability for storage devices with random addressing.

Multi-Read

The Logical Unit complies with OSTA Multi-read.

CD Read

The ability to read CD specific structure.

Incremental Streaming

Write support for sequential recording.

Formattable

Support for formatting the media.

Restricted Overwrite

Write support for media that shall be written in multiples of Logical blocks.

CD Track at once

Ability to write CD with track at once recording.

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