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SDLT 600 SCSI Interface Guide Chapter 4: SCSI Commands

81-81200-02 REV A01 January 2005 4-203

Capacity If the Media bit is set to 0, the Capacity field indicates the approximate

capacity of the longest supported medium. If the Media bit is set to 1, the

Capacity field indicates the approximate capacity of the current medium. The

capacity assumes that compression is disabled. If this density does not support

an uncompressed format, the capacity assumes that compression is enabled

using “average” data. The capacity also assumes that the media is in good

condition and that normal data and block sizes are used. The value is given in

units of megabytes (1,048,576 bytes). Note that the drive does not guarantee

that this space is actually available in all cases.

The Capacity field is intended to be used by the client to determine that the

correct density is being used, especially when a lower density format is

required.

Assigning

Organization

Contains 8 bytes of ASCII data identifying the organization responsible for

the specifications that define the values in the density support data block.

Density Name Contains 8 bytes of ASCII data identifying the document associated with this

density support data block.

Description Contains 20 bytes of ASCII data describing the density.

Table 4-118. REPORT DENSITY SUPPORT Data Block Descriptor —

Field Descriptions (Continued)

Field Name Description

1 2 ... 240 241 242 243 244 245 246 247 248 249 250 ... 293 294

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