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Seagate ST318418N Product Manual - Page 92

SCSI bus I/O cable

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82 option select header 57 option select jumper 35 options 7 orientation 9, 27, 42 out-of-plane deflection 43 out-of-plane distortion 43 Output characteristics 69 output voltage 70 P package size 27 package test specification 4 packaged 27 parity 41 parity checking 41 parity error 41 partition or logical drive 35 PCB 14, 40, 42 PCBA 35, 43, 52, 57 PD jumper 41 peak bits/inch 8 peak starting current 21 performance characteristics 8 peripheral I/O cable 22 physical buffer space 10 physical characteristics 57 physical damage 29 physical interface 57 physically contiguous blocks of data 11 power 21, 22, 41 power connector 21, 22 power control switch 9 power dissipation 24 power distribution 3 power sequencing 22 power supply voltage 13 power-on 35, 68 power-on operating hours 14 power-on reset 52 power-up 22, 41 power-up hours 14 prefetch 9, 10, 11 prefetch (read look-ahead) 9, 11 prefetch ceiling field 11 prefetch data 11 prefetch field 11 prefetch hit 11 prefetch mode 9 prefetch of contiguous blocks 11 prefetch operation 9, 11 prefetch segmented cache control 9 preventive maintenance 13, 14 printed circuit board. See PCB PRML read channel electronics 5 product data page 50 programmable drive capacity 7 Barracuda 36ES2 Product Manual, Rev. B R radio interference regulations 3 read 10 read command 10, 11 read data 10 read error 13 read error rate 13, 33 read operation 10 read retry count 33 read/write head 8 ready 52 receive diagnostic results 34 receiver circuits 69 recommended mounting 28 recoverable seek error 13 reference documents 4 regulation 21 relative humidity 27 reliability 6 reliability and service 14 reliability specifications 13 remote switch 35 repair facility 14 repair information 19 REQ/ACK offset 57 request sense command 34 request sense information 14 resonance 27 retrieved data 10 S S.M.A.R.T. 6, 15 safety 3 Safety and Regulatory Agency Specifications 4, 7 saved value 52, 53 SCSI commands 46 format commands 13 interface data transfer rate 9 messages 45 SCSI bus cable 35 SCSI bus condition 55 SCSI bus I/O cable 41 SCSI bus ID 68 SCSI bus phase sequence 55 SCSI command 33 SCSI ID 35, 41 SCSI interface 9, 13, 60 SCSI interface cable 60 SCSI interface commands supported 46 SCSI interface connector 57 SCSI interface data 9 SCSI Interface Product Manual 1, 3, 4, 5 SCSI systems error 34 SCSI systems error consideration 33 SCSI systems error management 34

Section	Page
1.0 Scope 1	7
2.0 Applicable standards and reference documentation 3	7
2.1 Standards 3	7
2.1.1 Electromagnetic compatibility 3	7
2.1.2 Electromagnetic susceptibility 3	7
2.2 Electromagnetic compliance 3	7
2.3 Reference documents 4	7
3.0 General description 5	7
3.1 Standard features 6	7
3.2 Media characteristics 6	7
3.3 Performance 6	7
3.4 Reliability 6	7
3.5 Unformatted and formatted capacities 7	7
3.6 Programmable drive capacity 7	7
3.7 Factory installed accessories 7	7
3.8 Options (factory installed) 7	7
4.0 Performance characteristics 8	7
4.1 Internal drive characteristics (transparent to user) 8	7
4.2 SCSI performance characteristics (visible to user) 8	7
4.2.1 Access time 8	7
4.2.2 Format command execution time (minutes) 8	7
4.2.3 Generalized performance characteristics 8	7
4.3 Start/stop time 9	7
4.4 Prefetch/multi-segmented cache control 9	7
4.5 Cache operation 10	7
4.5.1 Caching write data 10	7
4.5.2 Prefetch operation 11	7
5.0 Reliability specifications 13	7
5.1 Error rates 13	7
5.1.1 Environmental interference 13	7
5.1.2 Read errors 13	7
5.1.3 Write errors 13	7
5.1.4 Seek errors 13	7
5.2 Reliability and service 14	7
5.2.1 Mean time between failure 14	7
5.2.2 Preventive maintenance 14	7
5.2.3 Service life 14	7
5.2.4 Service philosophy 14	7
5.2.5 Service tools 14	7
5.2.6 Hot plugging Barracuda 36ES2 disc drives 15	7
5.2.7 S.M.A.R.T. 15	7
5.2.8 Drive Self Test (DST) 16	7
5.2.8.1 DST Failure Definition 17	7
5.2.8.2 Implementation 17	7
5.2.9 Product warranty 18	7
6.0 Physical/electrical specifications 21	7
6.1 AC power requirements 21	7
6.2 DC power requirements 21	7
6.2.1 Conducted noise immunity 22	7
6.2.2 Power sequencing 22	7
6.2.3 12 V - Current profile 22	7
6.3 Power dissipation 24	7
6.4 Environmental limits 26	7
6.4.1 Temperature 26	8
6.4.2 Relative humidity 27	8
6.4.3 Effective altitude (sea level) 27	8
6.4.4 Shock and vibration 27	8
6.4.4.1 Shock 27	8
6.4.4.2 Vibration 29	8
6.4.5 Air cleanliness 29	8
6.4.6 Acoustics 29	8
6.4.7 Electromagnetic susceptibility 29	8
6.5 Mechanical specifications 30	8
7.0 Defect and error management 33	8
7.1 Drive internal defects 33	8
7.2 Drive error recovery procedures 33	8
7.3 SCSI systems errors 34	8
8.0 Installation 35	8
8.1 Drive ID/option select header 35	8
8.1.1 Notes for Figures 14 through 18 40	8
8.1.2 Function description 41	8
8.1.3 Drive orientation 42	8
8.2 Cooling 42	8
8.2.1 Air flow 42	8
8.3 Drive mounting 43	8
8.4 Grounding 43	8
9.0 Interface requirements 45	8
9.1 General description 45	8
9.2 SCSI interface messages supported 45	8
9.3 SCSI interface commands supported 46	8
9.3.1 Inquiry Vital Product data 50	8
9.3.2 Mode Sense data 52	8
9.4 SCSI bus conditions and miscellaneous features supported 55	8
9.5 Synchronous data transfer 57	8
9.5.1 Synchronous data transfer periods supported 57	8
9.5.2 REQ/ACK offset 57	8
9.6 Physical interface 57	8
9.6.1 DC cable and connector 57	8
9.6.2 SCSI interface physical description 60	8
9.6.3 SCSI interface cable requirements 60	8
9.6.4 Mating connectors 61	8
9.6.4.1 Mating connectors for N model drives 61	8
9.6.4.2 Mating connectors for LW model drives 63	8
9.7 Electrical description 68	8
9.7.1 Multimode—SE and LVD alternatives 68	8
9.7.1.1 Single-ended drivers/receivers for N models 70	8
9.7.1.2 Single-ended drivers/receivers for LW models 70	8
9.7.1.3 Low voltage differential I/O circuits 71	8
9.7.1.4 General cable characteristics 71	8
9.8 Terminator requirements 72	8
9.9 Terminator power 72	8
9.10 Disc drive SCSI timing 73	8
9.11 Drive activity LED 74	8
10.0 Seagate Technology support services 75	8
Figure 1. Barracuda 36ES2 family drive (ST336938LW shown) 1	9
Figure 2. Typical ST336938/ST336918/ST318438/ST318418 drive +12 V current profile 22	9
Figure 3. Typical ST336938/ST336918/ST318438/ST318418 drive +5 V current profile 23	9
Figure 4. ST336938/ST318438 DC current and power vs. input/output operations per second (LVD) 24	9
Figure 5. ST336918/ST318418 DC current and power vs. input/output operations per second (SE) 25	9
Figure 6. Location of HDA Temperature Check Point 26	9
Figure 7. Recommended mounting 28	9
Figure 8. LW mounting configuration dimensions 30	9
Figure 9. N mounting configuration dimensions 31	9
Figure 10. J6 jumper header for LW models 36	9
Figure 11. J6 jumper header for N model 37	9
Figure 12. J5 jumper header (on LW models only) 38	9
Figure 13. J2 option select header (for LW models) 39	9
Figure 14. J2 option select header (for N models) 39	9
Figure 15. Air flow (suggested) 42	9
Figure 16. N model drive physical interface (50-pin SCSI I/O connector) 58	9
Figure 17. LW model drive physical interface (68-pin J1 SCSI I/O connector) 59	9
Figure 18. Nonshielded 50-pin SCSI device connector used on N drives 61	9
Figure 19. SCSI daisy chain interface cabling for N drives 62	9
Figure 20. Nonshielded 68 pin SCSI device connector used on LW drives 63	9
Figure 21. SCSI daisy chain interface cabling for LW drives 64	9
Figure 22. LVD output signals 69	9
Figure 23. Typical SE-LVD alternative transmitter receiver circuits 69	9
Figure 24. Single-ended transmitters and receivers on N models 70	9
1.0 Scope	11
2.0 Applicable standards and reference documentation	13
2.1 Standards	13
2.1.1 Electromagnetic compatibility	13
2.1.2 Electromagnetic susceptibility	13
2.2 Electromagnetic compliance	13
2.3 Reference documents	14
3.0 General description	15
3.1 Standard features	16
3.2 Media characteristics	16
3.3 Performance	16
3.4 Reliability	16
3.5 Unformatted and formatted capacities	17
3.6 Programmable drive capacity	17
3.7 Factory installed accessories	17
3.8 Options (factory installed)	17
4.0 Performance characteristics	18
4.1 Internal drive characteristics (transparent to user)	18
4.2 SCSI performance characteristics (visible to user)	18
4.2.1 Access time [5]	18
4.2.2 Format command execution time (minutes) [1]	18
4.2.3 Generalized performance characteristics	18
4.3 Start/stop time	19
4.4 Prefetch/multi-segmented cache control	19
4.5 Cache operation	20
4.5.1 Caching write data	20
4.5.2 Prefetch operation	21
5.0 Reliability specifications	23
5.1 Error rates	23
5.1.1 Environmental interference	23
5.1.2 Read errors	23
5.1.3 Write errors	23
5.1.4 Seek errors	23
5.2 Reliability and service	24
5.2.1 Mean time between failure	24
5.2.2 Preventive maintenance	24
5.2.3 Service life	24
5.2.4 Service philosophy	24
5.2.5 Service tools	24
5.2.6 Hot plugging Barracuda 36ES2 disc drives	25
5.2.7 S.M.A.R.T.	25
5.2.8 Drive Self Test (DST)	26
5.2.8.1 DST Failure Definition	27
5.2.8.2 Implementation	27
5.2.8.2.1 State of the drive prior to testing	27
5.2.8.2.2 Invoking DST	27
5.2.8.2.3 Short and extended tests	27
5.2.8.2.4 Log page entries	28
5.2.8.2.5 Abort	28
5.2.9 Product warranty	28
6.0 Physical/electrical specifications	31
6.1 AC power requirements	31
6.2 DC power requirements	31
6.2.1 Conducted noise immunity	32
6.2.2 Power sequencing	32
6.2.3 12 V - Current profile	32
6.3 Power dissipation	34
6.4 Environmental limits	36
6.4.1 Temperature	36
6.4.2 Relative humidity	37
6.4.3 Effective altitude (sea level)	37
6.4.4 Shock and vibration	37
6.4.4.1 Shock	37
6.4.4.2 Vibration	39
6.4.5 Air cleanliness	39
6.4.6 Acoustics	39
6.4.7 Electromagnetic susceptibility	39
6.5 Mechanical specifications	40
7.0 Defect and error management	43
7.1 Drive internal defects	43
7.2 Drive error recovery procedures	43
7.3 SCSI systems errors	44
8.0 Installation	45
8.1 Drive ID/option select header	45
8.1.1 Notes for Figures 14 through 18	50
8.1.2 Function description	51
8.1.3 Drive orientation	52
8.2 Cooling	52
8.2.1 Air flow	52
8.3 Drive mounting	53
8.4 Grounding	53
9.0 Interface requirements	55
9.1 General description	55
9.2 SCSI interface messages supported	55
9.3 SCSI interface commands supported	56
9.3.1 Inquiry Vital Product data	60
9.3.2 Mode Sense data	62
9.4 SCSI bus conditions and miscellaneous features supported	65
9.5 Synchronous data transfer	67
9.5.1 Synchronous data transfer periods supported	67
9.5.2 REQ/ACK offset	67
9.6 Physical interface	67
9.6.1 DC cable and connector	67
9.6.2 SCSI interface physical description	70
9.6.3 SCSI interface cable requirements	70
9.6.4 Mating connectors	71
9.6.4.1 Mating connectors for N model drives	71
9.6.4.2 Mating connectors for LW model drives	73
9.7 Electrical description	78
9.7.1 Multimode—SE and LVD alternatives	78
9.7.1.1 Single-ended drivers/receivers for N models	80
9.7.1.2 Single-ended drivers/receivers for LW models	80
9.7.1.3 Low voltage differential I/O circuits	81
9.7.1.4 General cable characteristics	81
9.8 Terminator requirements	82
9.9 Terminator power	82
9.10 Disc drive SCSI timing	83
9.11 Drive activity LED	84
10.0 Seagate Technology support services	85
Symbols	89
Numerics	89
A	89
B	89
C	89
D	89
E	90
F	90
G	90
H	90
I	91
J	91
K	91
L	91
M	91
N	91
O	91
P	92
R	92
S	92
T	93
U	93
V	93
W	93
X	94

Match case Limit results 1 per page

Barracuda 36ES2 Product Manual, Rev. B

option select header

option select jumper

options

orientation

27,

out-of-plane deflection

out-of-plane distortion

Output characteristics

output voltage

package size

package test specification

packaged

parity

parity checking

parity error

partition or logical drive

PCB

14,

40,

PCBA

35,

43,

52,

PD jumper

peak bits/inch

peak starting current

performance characteristics

peripheral I/O cable

physical buffer space

physical characteristics

physical damage

physical interface

physically contiguous blocks of data

power

21,

22,

power connector

21,

power control switch

power dissipation

power distribution

power sequencing

power supply voltage

power-on

35,

power-on operating hours

power-on reset

power-up

22,

power-up hours

prefetch

10,

prefetch (read look-ahead)

prefetch ceiling field

prefetch data

prefetch field

prefetch hit

prefetch mode

prefetch of contiguous blocks

prefetch operation

prefetch segmented cache control

preventive maintenance

13,

printed circuit board.

See

PCB

PRML read channel electronics

product data page

programmable drive capacity

radio interference regulations

read

read command

10,

read data

read error

read error rate

13,

read operation

read retry count

read/write head

ready

receive diagnostic results

receiver circuits

recommended mounting

recoverable seek error

reference documents

regulation

relative humidity

reliability

reliability and service

reliability specifications

remote switch

repair facility

repair information

REQ/ACK offset

request sense command

request sense information

resonance

retrieved data

S.M.A.R.T.

safety

Safety and Regulatory Agency Specifications

saved value

52,

SCSI

commands

format commands

interface data transfer rate

messages

SCSI bus cable

SCSI bus condition

SCSI bus I/O cable

SCSI bus ID

SCSI bus phase sequence

SCSI command

SCSI ID

35,

SCSI interface

13,

SCSI interface cable

SCSI interface commands supported

SCSI interface connector

SCSI interface data

SCSI Interface Product Manual

SCSI systems error

SCSI systems error consideration

SCSI systems error management