The changeable parameters are:

Page 0 - Vendor unique parameters

QPE - Qualify post error (0)

UQE - Untagged Queuing Enable (1)

UAI - Unit Attention Inhibit bit (1)

SCAM level (10)

DADM - Disable automatic drive maintenance (0)

CMDAC - LED Active (0)

CPE - Concurrent Processing Enable bit (1)

CAEN - Command Age (1)

ADC - Adaptive Cache Enable (1)

LED mode (0000b)

Command aging limit (48)

QPE - Read threshold (10)

QPE - Write threshold (10)

Page 1 - Read-write error recovery parameters

AWRE - Automatic write reallocation enable (1)

ARRE - Automatic read reallocation enable (1)

TB - Transfer block (0)

RC - Read continuous (0)

PER - Post error (0)

DTE - Disable transfer on error (0)

DCR - Disable correction (0)

Read retry count (01h)

Write retry count (01h)

Page 2 - Disconnect/reconnect control parameters

Read buffer full ratio (00h)

Write buffer emDtv ratio (00h)

Page 7 - Verify error recovery parameters

PER (0)

DCR (0)

Verify Retry Count (01h)

Page 8 - Caching parameters

WCE - Write cache enable (1)

RCD - Read cache disable (0)

MF - Multiplication Factor (0)

Disable pre fetch transfer length (0)

Minimum pre fetch (0)

Maximum pre fetch (0)

Maximum pre fetch ceiling (0)

Number of cache segments (7)

Page A - Control mode page parameters

Queue algorithm modifier (0h)

QERR - Queue error (0)

DQue - Disable queuing (0)

Page 1C - Informational exceptions control

DEXCPT - Disable exception control (0)

Method of reporting (0)

Interval timer (0)

Report count (0)

Page 38 - Power control

Automatic shutdown time (0)

Note:Default parameters are shown in closed brackets (x).