Seagate ST336938LW, ST318418N, ST318438LW, ST336918N manual Barracuda 36ES2 Product Manual, Rev. B

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48

 

Barracuda 36ES2 Product Manual, Rev. B

Table 5:

Commands supported by Barracuda 36ES2 family drives (Continued)

 

 

 

 

 

 

 

Command

Supported by

 

Command name

code

SCSI-2/3

 

 

 

 

 

 

 

 

 

 

 

Rezero unit

 

01h

Y

 

Search data equal

31h

N

 

 

 

 

 

Search data high

30h

N

 

Search data low

32h

N

 

Seek

 

0Bh

Y

 

 

 

 

 

Seek extended

2Bh

Y

 

 

 

 

 

Send diagnostics

1Dh

Y

 

Supported diagnostics pages (00h)

 

Y

 

Translate page (40h)

 

Y

 

 

 

 

 

DST (logical unit self-test diagnostics)

 

Y

 

 

 

 

 

 

Set limits

 

33h

N

 

Start unit/stop unit (spindle ceases rotating) (1Ch)

1Bh

Y

 

Synchronize cache

35h

Y

 

 

 

 

 

Test unit ready

00h

Y

 

Verify

 

2Fh

Y

 

DPO bit supported

 

Y

 

BYTCHK bit

 

Y

 

 

 

 

 

 

Write

 

0Ah

Y

 

 

 

 

 

Write and verify

2Eh

Y

 

DPO bit

 

 

Y

 

 

 

 

 

BYTCHK bit

 

Y

 

 

 

 

 

Write buffer (modes 0, 2, supported)

3Bh

Y

 

Firmware download option

 

Y

 

(modes 5, 7, Ah and Bh supported) [3]

 

 

 

Write extended

2Ah

Y

 

 

 

 

 

 

DPO bit

 

 

Y

 

 

 

 

 

 

FUA bit

 

 

Y

 

Write long

 

3Fh

Y

 

Write same

 

41h

Y

 

 

 

 

 

 

PBdata

 

 

N

 

 

 

 

 

 

LBdata

 

 

N

 

XDRead

 

52h

N

 

XDWrite

 

50h

N

 

 

 

 

 

XDWrite extended

80h

N

 

XPWrite

 

51h

N

 

[1]The drive can format to any even number of bytes per sector from 512 to 4,096.

[2]Tables 8 and 9 show how individual bits are set and which are changeable by the host.

[3]WARNING: A power loss during flash programming can result in firmware corruption. This usually makes the drive inoperable.

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Contents Product Manual, Volume Page Product Manual, Volume Page Revision status summary sheet Revision Date Writer/Engineer Sheets AffectedPage Contents Seagate Technology support services Defect and error managementInstallation Interface requirementsList of Figures Barracuda 36ES2 Product Manual, Rev. B ViiPage Scope Barracuda 36ES2 family drive ST336938LW shownBarracuda 36ES2 Product Manual, Rev. B Applicable standards and reference documentation Korean MIC Australian C-TickTaiwanese Bsmi General description Performance Standard featuresMedia characteristics ReliabilityOptions factory installed Factory installed accessoriesProgrammable drive capacity Performance characteristics Start/stop time Ultra2 Scsi Ultra160 ScsiPrefetch/multi-segmented cache control Cache operation Caching write dataPrefetch operation Barracuda 36ES2 Product Manual, Rev. B Reliability specifications Service life Reliability and servicePreventive maintenance Service philosophy7 S.M.A.R.T Controlling S.M.A.R.TDetermining rate Performance impactReporting control Predictive failuresImplementation State of the drive prior to testingDST Failure Definition Invoking DSTExtended test Function Code 010b Product warrantyShort test Function Code 001b Log page entriesProduct repair and return information Barracuda 36ES2 Product Manual, Rev. B AC power requirements Physical/electrical specificationsDC power requirements Conducted noise immunity Power sequencing3 12 V Current profile +5 Volt Current during spindle start Typical Amper es Amps Power dissipation ST336938/ST318438 Barracuda 36ES2 Product Manual, Rev. B ST336918/ST318418 Temperature Environmental limitsShock and vibration Barracuda 36ES2 Product Manual, Rev. B Relative humidityEffective altitude sea level ShockRecommended mounting Barracuda 36ES2 Product Manual, Rev. B Vibration Air cleanlinessAcoustics Mechanical specifications Dimension TableMounting configuration dimensions Barracuda 36ES2 Product Manual, Rev. B Drive error recovery procedures Defect and error managementDrive internal defects Scsi systems errors Formatting InstallationConfigure drive options Drive ID/option select headerDo not install jumpers retain cover J6 jumper header for N model J5 jumper header on LW models only J2 option select header for LW models Barracuda 36ES2 Product Manual, Rev. B Barracuda 36ES2 Product Manual, Rev. B Function description Cooling Drive orientationAir flow Barracuda 36ES2 Product Manual, Rev. B Drive mounting GroundingBarracuda 36ES2 Product Manual, Rev. B Interface requirements Scsi interface messages supportedScsi interface commands supported Commands supported by Barracuda 36ES2 family drives Barracuda 36ES2 Product Manual, Rev. B Vendor ID Implemented operating definition page 81h Inquiry Vital Product dataUnit serial number page 80h Firmware numbers page C0hJumper settings page C2h Mode Sense data DEF CHG Barracuda 36ES2 Product Manual, Rev. B Condition/features supported Supported Status supported 2 REQ/ACK offset DC cable and connectorPhysical interface Model drive physical interface 50-pin Scsi I/O connector Pin Power Scsi interface physical description Scsi interface cable requirementsBarracuda 36ES2 Product Manual, Rev. B Mating connectors Mating connectors for N model drivesScsi daisy chain interface cabling for N drives Nonshielded 68 pin Scsi device connector used on LW drives Scsi daisy chain interface cabling for LW drives GND GND DBP1 +DBP1 Electrical description Multimode signalsMultimode-SE and LVD alternatives Input characteristics LVD output signalsSingle-ended drivers/receivers for N models Transmitter characteristicsReceiver characteristics Single-ended drivers/receivers for LW modelsGeneral cable characteristics Low voltage differential I/O circuitsTerminator requirements Terminator power DrivesLW drives Page Drive activity LED Following table provides drive activity LED statusPresales Support Seagate Technology support services Online ServicesAutomated Services Technical SupportUSA/Canada/Latin America Support Services Customer Service CSOEuropean Support Services Asia/Pacific Support Services Africa/Middle East Support ServicesCall Center Toll-free Direct dial Barracuda 36ES2 Product Manual, Rev. B Index Diffsens LED PCB System chassis Barracuda 36ES2 Product Manual, Rev. B