18h (FC drives only) 18h (SCSI drives only) “SCSI LUN Control mode page” on page 84

19h (FC drives only) 19h (SCSI drives only) “SCSI Port Control Mode page” on page 87

1Ch “Information Exceptions mode page” on page 91

3Ch “Device Time Mode Page” on page 92

3Fh OBDR FW variants only: “CD-ROM Emulation/Disaster Recovery mode page” on page 94

Return all pages (page 3Fh) — for MODE SENSE only

Mode parameter header

The Mode Parameter header must always be sent at the start of Mode Select data. It is always returned at the start of Mode Sense data.

6-byte header

The 6-byte Mode Parameter header has the following format:

 

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

0

 

 

 

Mode Data

Length

 

 

 

 

 

1

Medium Type [00h or 01h if WORM media is loaded or 80h if in CD-ROM mode]

 

 

 

 

 

 

 

 

 

2

WP

Buffered Mode [001b]

 

Speed (0)

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

Block Descriptor Length

 

 

 

 

 

 

 

 

 

 

 

 

10-byte header

The 10-byte Mode Parameter header has the following format:

 

7

6

5

4

3

2

1

0

 

 

 

 

 

 

 

 

 

 

0

(MSB)

 

 

Mode Data Length

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

(LSB)

 

 

 

 

 

 

 

2Medium Type [00h or 01h if WORM media is loaded or 80h if in CD-ROM mode]

3

WP

Buffered Mode [001b]

 

Speed (0)

 

 

 

 

 

 

4

 

Reserved (0)

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

(MSB)

Block Descriptor Length

 

 

 

 

 

 

7

 

 

(LSB)

 

 

 

 

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