Product manual

SCSI Description

5-32 Maxtor Atlas 10K IV

5.12 LOG SELECT Command (4Ch)

The drive collects and stores performance data and error summaries in counters. The

LOG SELECT command is used to zero these counters. The LOG SELECT

command is a complementary command to the LOG SENSE command. The format

of the LOG SELECT CDB and a description of the fields follows in Table 5-40 and

Table 5-41 respectively.

Table 5-40 LOG SELECT Command Descriptor Block-Data Format

Table 5-41 LOG SELECT Command Descriptor Block-Field Descriptions

Bit

Byte

765 4 3210

0 Operation Code (4Ch)

1ReservedPCRSP

2PC Reserved

3–6 Reserved

7 – 8 Parameter List Length

9 Control

Field Description

PCR

Parameter Code Reset. Must be 1. Causes all the imple-

mented counters to be set to 0.

Save Parameters. A value of 1 indicates that certain

counters are to be cleared from non-volatile memory.

PC Page Control. Must be 01b OR 11b.

Parameter

List Length

Must be 0.