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Seagate ST3300457FC Cheetah 15K.5 SCSI Product Manual - Page 15

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4.5.1 Programmable drive capacity Using the Mode Select command, the drive can change its capacity to something less than maximum. See the Mode Select Parameter List table in the SCSI Interface Manual. Refer to the Parameter list block descriptor number of blocks field. A value of zero in the number of blocks field indicates that the drive shall not change the capacity it is currently formatted to have. A number in the number of blocks field that is less than the maximum number of LBAs changes the total drive capacity to the value in the block descriptor number of blocks field. A value greater than the maximum number of LBAs is rounded down to the maximum capacity. 4.6 Factory installed accessories OEM Standard drives are shipped with the Cheetah 15K.5 Installation Guide, part number 100384777, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified). The factory also ships with the drive a small bag of jumper plugs used for the J5 and J6 option select jumper headers (on LW models only). 4.7 Options (factory installed) All customer requested options are incorporated during production or packaged at the manufacturing facility before shipping. Some of the options available are (not an exhaustive list of possible options): • Other capacities can be ordered depending on sparing scheme and sector size requested. • Single unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection against transit damage. Units shipped individually require additional protection as provided by the single unit shipping pack. Users planning single unit distribution should specify this option. • The Cheetah 15K.5 Installation Guide, part number 100384777, usually ships with each standard OEM drive. Extra copies may be ordered. • The Safety and Regulatory Agency Specifications, part number 75789512, usually ships with each standard OEM drive. Extra copies may be ordered. 4.8 Accessories The following accessories are available. All accessories may be installed in the field. • Single unit shipping pack. Cheetah 15K.5 SCSI Product Manual, Rev. J 9

Section	Page
1.0 Seagate Technology support services	7
2.0 Scope	8
3.0 Applicable standards and reference documentation	9
3.1 Standards	9
3.1.1 Electromagnetic compatibility	9
3.1.2 Electromagnetic susceptibility	9
3.2 Electromagnetic compliance	10
3.3 European Union Restriction of Hazardous Substances (RoHS)	10
3.4 Reference documents	11
4.0 General description	12
4.1 Standard features	13
4.2 Media characteristics	13
4.3 Performance	14
4.4 Reliability	14
4.5 Formatted capacities	14
4.5.1 Programmable drive capacity	15
4.6 Factory installed accessories	15
4.7 Options (factory installed)	15
4.8 Accessories	15
5.0 Performance characteristics	16
5.1 Internal drive characteristics (transparent to user)	16
5.2 SCSI performance characteristics (visible to user)	16
5.2.1 Seek time	17
5.2.2 Format command execution time (minutes) [1]	17
5.2.3 Generalized performance characteristics	17
5.3 Start/stop time	18
5.4 Prefetch/multi-segmented cache control	18
5.5 Cache operation	18
5.5.1 Caching write data	19
5.5.2 Prefetch operation	19
6.0 Reliability specifications	20
6.1 Error rates	20
6.1.1 Recoverable Errors	20
6.1.2 Unrecoverable Error	20
6.1.3 Seek errors	21
6.2 Reliability and service	21
6.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)	21
6.2.2 Preventive maintenance	21
6.2.3 Hot plugging Cheetah 15K.5 SCSI disc drives	22
6.2.4 S.M.A.R.T.	22
6.2.5 Thermal monitor	24
6.2.6 Drive Self Test (DST)	24
6.2.6.1 DST Failure Definition	25
6.2.6.2 Implementation	25
6.2.7 Product warranty	26
7.0 Physical/electrical specifications	28
7.1 AC power requirements	28
7.2 DC power requirements	28
7.2.1 Conducted noise immunity	30
7.2.2 Power sequencing	30
7.2.3 Current profile	30
7.3 Power dissipation	32
7.4 Environmental limits	35
7.4.1 Temperature	35
7.4.2 Relative humidity	35
7.4.3 Effective altitude (sea level)	35
7.4.4 Shock and vibration	36
7.4.4.1 Shock	36
7.4.4.2 Vibration	38
7.4.5 Air cleanliness	38
7.4.6 Corrosive environment	38
7.4.7 Acoustics	39
7.4.8 Electromagnetic susceptibility	39
7.5 Mechanical specifications	39
8.0 Defect and error management	41
8.1 Drive internal defects	41
8.2 Drive error recovery procedures	41
8.3 SCSI systems errors	43
8.4 Background Media Scan	43
8.5 Media Pre-Scan	43
8.6 Deferred Auto-Reallocation	44
8.7 Idle Read After Write	44
9.0 Installation	45
9.1 Drive ID/option select header	45
9.1.1 Notes for Figures 10 and 11.	47
9.1.2 Function description	48
9.2 Drive orientation	49
9.3 Cooling	49
9.4 Drive mounting	50
9.5 Grounding	50
10.0 Interface requirements	51
10.1 General description	51
10.2 SCSI interface messages supported	51
10.3 SCSI interface commands supported	52
10.3.1 Inquiry Vital Product data	56
10.3.2 Mode Sense data	57
10.4 SCSI bus conditions and miscellaneous features supported	61
10.5 Synchronous data transfer	62
10.5.1 Synchronous data transfer periods supported	62
10.5.2 REQ/ACK offset	62
10.6 Physical interface	62
10.6.1 DC cable and connector	63
10.6.2 SCSI interface physical description	64
10.6.3 SCSI interface cable requirements	65
10.6.3.1 Cable requirements	65
10.6.4 Mating connectors	65
10.6.4.1 Mating connectors for LW model drives	66
10.6.4.2 Mating connectors for LC model drives	66
10.7 Electrical description	74
10.7.1 Multimode—SE and LVD alternatives	74
10.7.1.1 General cable characteristics	75
10.7.1.2 Single-ended drivers/receivers	75
10.7.1.3 Cables for low voltage differential drivers/receivers	76
10.8 Terminator requirements	77
10.9 Terminator power	77
10.10 Disc drive SCSI timing	78
10.11 Drive activity LED	80

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Cheetah 15K.5 SCSI Product Manual, Rev. J

4.5.1

Programmable drive capacity

Using the Mode Select command, the drive can change its capacity to something less than maximum. See the

Mode Select Parameter List table in the

SCSI Interface Manual

. Refer to the Parameter list block descriptor

number of blocks field. A value of zero in the number of blocks field indicates that the drive shall not change the

capacity it is currently formatted to have. A number in the number of blocks field that is less than the maximum

number of LBAs changes the total drive capacity to the value in the block descriptor number of blocks field. A

value greater than the maximum number of LBAs is rounded down to the maximum capacity.

4.6

Factory installed accessories

OEM Standard drives are shipped with the

Cheetah 15K.5 Installation Guide

, part number 100384777, and the

Safety and Regulatory Agency Specifications

, part number 75789512 (unless otherwise specified). The factory

also ships with the drive a small bag of jumper plugs used for the J5 and J6 option select jumper headers (on

LW models only).

4.7

Options (factory installed)

All customer requested options are incorporated during production or packaged at the manufacturing facility

before shipping. Some of the options available are (not an exhaustive list of possible options):

•

Other capacities can be ordered depending on sparing scheme and sector size requested.

•

Single unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection

against transit damage. Units shipped individually require additional protection as provided by the single unit

shipping pack. Users planning single unit distribution should specify this option.

•

The

Cheetah 15K.5 Installation Guide

, part number 100384777, usually ships with each standard OEM

drive. Extra copies may be ordered.

•

The

Safety and Regulatory Agency Specifications

, part number 75789512, usually ships with each standard

OEM drive. Extra copies may be ordered.

4.8

Accessories

The following accessories are available. All accessories may be installed in the field.

•

Single unit shipping pack.