Quantum 10K II User Manual

Page 143

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SCSI Description

5–76

Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives

MODE SELECT (6) Command (15h) (continued)

5.14.3.7 Control Mode Page (0Ah)

The Control Mode page controls the drive’s command processing and error handling
policies.

Bit

Byte

7

6

5

4

3

2

1

0

0

PS

Rsvd

Page Code (0Ah)

1

Page Length (0Ah)

2

Reserved

GLTSD

RLEC

3

Queue Algorithm Modifier

Reserved

Qerr

DQue

4

EECA

RAC

Reserved

RAERP

UAAERP

EAERP

5

Reserved

6 – 7

Ready AEN Holdoff Period

8 – 9

Busy Timeout Period

10 – 11

Reserved

NOTES:

1. Fully supported and temporary fields are underlined. Unsupported and ignored

fields are not underlined. The PS bit is underlined, meaning it will be set on a
MODE SENSE command, since the page is savable.

2. Bytes 8 to 11 are returned only if the device operating definition is

SCSI-3.

Figure 5–33 Control Mode Page — Data Format

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