Chapter 5

ATAPI Interface

Mode Medium Partition Page

The following table describes the Mode Medium Partition Page layout.

Byte

Description

Value

Meaning

 

 

 

 

0

Page Code

11h

Medium Partition Page

 

 

 

 

1

Page Length

06h

6 Bytes of Information

 

 

 

 

2,3

Maximum Additional Partitions,

00h,00h

Not Supported

 

Additional Partitions Defined

 

 

 

 

 

 

4

FDP (bit 7), reserved

80h

Fixed Data Partitions

 

 

 

 

5

Medium Format Recognition

03h

Format and Partition Recognition

 

 

 

 

6,7

Reserved

00h,00h

 

 

 

 

None of the Medium Partition Page (11h) parameters can be changed.

Mode Capabilities and Mechanical Status Page

The following table describes the Mode Capabilities and Mechanical Status Pages

.Byte

Description

Value

Meaning

 

 

 

 

0

Page Code

2Ah

Capabilities and Mechanical Status Page

 

 

 

 

1

Page Length

12h

18 Bytes of Information

 

 

 

 

2,3

Reserved

00h,00h

 

 

 

 

4

SPREV (bit 5), RO (bit 0)

20h

Space Reverse supported, bit 0 = Write

 

 

 

Protect status

 

 

 

 

5

QFA (bit 5)

20h

QFA supported

 

 

 

 

6

ECC (bit 6)

40h

ECC supported

 

 

 

 

7

BLK1024 (bit 1), BLK512 (bit 0)

03h

512 byte blocks (1024 if floppy tape)

 

 

 

 

8,9

Maximum Speed Supported

600.

1,000 Kbytes/sec Maximum

 

(Kbytes per second)

 

 

 

 

 

 

10,11

Maximum Stored Defect List

0000h

 

Entries

 

 

 

 

 

 

12,13

Continuous Transfer Limit (blocks)

0034h

52 blocks per Read/Write command

 

 

 

 

14,15

Current Speed Selected (Kbytes

NNNN

Current transfer rate

 

per second)

 

 

 

 

 

 

16,17

Buffer Size (in 512 bytes)

02D8h

14 frames of 52 blocks = 728

 

 

 

 

18-19

Reserved

00h

 

 

 

 

None of the Mode Capabilities and Mechanical Status Page (2Ah) parameters can be changed.

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STT8000A Product Manual

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Image 58
Seagate STT8000A manual Mode Medium Partition, Mode Capabilities and Mechanical Status