Seagate ST336605LW/LC/LCV, ST373405LW/LWV/LC/LCV manual Disc drive Scsi timing

Page 78

68

Cheetah 73LP Product Manual, Rev. E

9.10Disc drive SCSI timing

Table 19: Disc drive SCSI timing

These values are not current Cheetah 73LP values, but are listed for information only.

 

Waveform

Waveform

 

 

Description

symbol [1]

table [1]

Typical timing

 

 

 

 

 

 

 

 

Target Select Time (no Arbitration)

T00

N/A

<1 ∝s

 

 

 

 

 

Target Select Time (with Arbitration)

T01

4.5-1,2

1.93

∝s

 

 

 

 

 

Target Select to Command

T02

4.5-1

3.77

∝s

 

 

 

 

 

Target Select to MSG Out

T03

4.5-2

1.57

∝s

 

 

 

 

 

Identify MSG to Command

T04

4.5-3

3.36

∝s

 

 

 

 

Command to Status

T05

4.5-5

Command Dependent

 

 

 

 

Command to Data (para. In)

T06

4.5-9

Command Dependent

 

 

 

 

Command to Data (para. Out)

T07

4.5-10

Command Dependent

 

 

 

 

Command to Data (Write to Data Buffer)

T08

4.5-10

Command Dependent

 

 

 

 

Command to Disconnect MSG

T09

4.5-6

Command Dependent

 

 

 

 

 

Disconnect MSG to Bus Free

T10

4.5-6,14

0.52

∝s

 

 

 

 

Disconnect to Arbitration (for Reselect)

T11

4.5-6

Command Dependent

This measures disconnected CMD overhead

 

 

 

 

 

 

 

 

 

Target win Arbitration (for Reselect)

T12

4.5-7

3.00

∝s

 

 

 

 

 

Arbitration to Reselect

T13

4.5-7

1.60

∝s

 

 

 

 

 

Reselect to Identify MSG In

T14

4.5-7

1.39

∝s

 

 

 

 

Reselect Identify MSG to Status

T15

4.5-8

Command Dependent

 

 

 

 

Reselect Identify MSG to Data (media)

T16

4.5-11

Command Dependent

 

 

 

 

Data to Status

T17

4.5-15

Command Dependent

 

 

 

 

 

Status to Command Complete MSG

T18

4.5-5,8,15

0.98

∝s

 

 

 

 

 

Command Complete MSG to Bus Free

T19

4.5-5,8,15

0.51

∝s

 

 

 

 

 

Data to Save Data Pointer MSG

T20

4.5-14

4.00

∝s

 

 

 

 

 

Save Data Pointer MSG to Disconnect MSG

T21

4.5-14

0.79

∝s

 

 

 

 

 

Command Byte Transfer

T22

4.5-4

0.04

∝s

 

 

 

 

 

Next Command Byte Access:

 

 

 

 

 

 

 

 

 

Next CDB Byte Access (Byte 2 of 6)

T23.6.2

4.5-4

0.58

∝s

 

 

 

 

 

Next CDB Byte Access (Byte 3 of 6)

T23.6.3

4.5-4

0.12

∝s

 

 

 

 

 

Next CDB Byte Access (Byte 4 of 6)

T23.6.4

4.5-4

0.12

∝s

 

 

 

 

 

Next CDB Byte Access (Byte 5 of 6)

T23.6.5

4.5-4

0.12

∝s

 

 

 

 

 

Next CDB Byte Access (Byte 6 of 6)

T23.6.6

4.5-4

0.12

∝s

 

 

 

 

 

Next CDB Byte Access (Byte 2 of 10)

T23.10.2

4.5-4

0.59

∝s

 

 

 

 

 

Next CDB Byte Access (Byte 3 of 10)

T23.10.3

4.5-4

0.11

∝s ±1 ∝s

 

 

 

 

 

Next CDB Byte Access (Byte 4 of 10)

T23.10.4

4.5-4

0.12

∝s ±1 ∝s

 

 

 

 

 

Next CDB Byte Access (Byte 5 of 10)

T23.10.5

4.5-4

0.11

∝s ±1 ∝s

 

 

 

 

 

Next CDB Byte Access (Byte 6 of 10)

T23.10.6

4.5-4

0.11

∝s ±1 ∝s

 

 

 

 

 

Next CDB Byte Access (Byte 7 of 10)

T23.10.7

4.5-4

0.13

∝s ±1 ∝s

 

 

 

 

 

Next CDB Byte Access (Byte 8 of 10)

T23.10.8

4.5-4

0.12

∝s ±1 ∝s

 

 

 

 

 

Next CDB Byte Access (Byte 9 of 10)

T23.10.9

4.5-4

0.12

∝s ±1 ∝s

 

 

 

 

 

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Contents ST373405LW/LWV/LC/LCV ST336605LW/LC/LCV Page ST373405LW/LWV/LC/LCV ST336605LW/LC/LCV Page Revision status summary sheet Revision Date Writer/Engineer Sheets AffectedPage Contents Seagate Technology support services Defect and error managementInstallation Interface requirementsList of Figures Cheetah 73LP Product Manual, Rev. E ViiPage Scope Cheetah 73LP family drive ST373405LW shownCheetah 73LP Product Manual, Rev. E Applicable standards and reference documentation Australian C-Tick Korean MICTaiwanese Bsmi General description Cheetah 73LP family drive Performance Cheetah 73LP Product Manual, Rev. E Standard featuresMedia characteristics ReliabilityAccessories user installed Factory installed accessoriesOptions factory installed Unformatted and formatted capacitiesPerformance characteristics Ultra2 Scsi Ultra3 Scsi Start/stop timePrefetch/multi-segmented cache control Cheetah 73LP Product Manual, Rev. E Cache operation Caching write dataPrefetch operation Reliability specifications Service life Reliability and servicePreventive maintenance Service philosophy7 S.M.A.R.T Controlling S.M.A.R.TReporting control Performance impactMilliseconds Determining rateImplementation State of the drive prior to testingDST Failure Definition Invoking DSTExtended test Function Code 010b Short and extended testsShort test Function Code 001b Log page entriesCheetah 73LP Product Manual, Rev. E Product warranty ShippingProduct repair and return information Cheetah 73LP Product Manual, Rev. E Physical/electrical specifications AC power requirementsDC power requirements Power sequencing Conducted noise immunity3 12 V Current profile Typical ST336605 drive +12 V current profile Typical ST336605 drive +5 V current profile Amperes 000 900 800 700 600 Relative humidity TemperatureCheetah 73LP Product Manual, Rev. E Environmental limits Effective altitude sea levelShock and vibration ShockRecommended mounting Air cleanliness VibrationAcoustics LW and LWV mounting configuration dimensions LC and LCV mounting configuration dimensions Defect and error management Drive error recovery proceduresDrive internal defects Scsi systems errors Formatting InstallationConfigure drive options Drive ID/option select headerDo not install jumpers retain cover J5 jumper header on LW/LWV models only J2 option select header Cheetah 73LP Product Manual, Rev. E Function description Does not apply to LC/LCV modelDrive orientation CoolingCheetah 73LP Product Manual, Rev. E Drive mounting GroundingCheetah 73LP Product Manual, Rev. E Interface requirements Scsi interface messages supportedScsi interface commands supported Cheetah 73LP Product Manual, Rev. E Cheetah 73LP Product Manual, Rev. E Inquiry Vital Product data Mode Sense data DEF CHG Cheetah 73LP Product Manual, Rev. E Condition/feature supported by DC cable and connector 2 REQ/ACK offsetPhysical interface Pin Power Scsi interface physical description Scsi interface cable requirementsMating connectors for LC and LCV model drives Mating connectorsMating connectors for LW and LWV model drives ST373405LC/LCV and ST336605LC/LCVCheetah 73LP Product Manual, Rev. E Right-angle to Pcba connectors Scsi ID650±.005 155 100 346 Front View GND +DBP1 62Cheetah 73LP Product Manual, Rev. E REQ +REQ LVD output characteristics Electrical descriptionMultimode-SE and LVD alternatives General cable characteristics Single-ended drivers/receiversCables for low voltage differential drivers/receivers Terminator requirementsLC and LCV drives Disc drive Scsi timing Spindle status Command status LED status Drive activity LEDCheetah 73LP Product Manual, Rev. E Presales Support Seagate Technology support services Online ServicesAutomated Services Technical SupportCustomer Service CSO USA/Canada/Latin America Support ServicesEuropean Support Services Africa/Middle East Support Services Asia/Pacific Support ServicesCall Center Toll-free Direct dial Cheetah 73LP Product Manual, Rev. E Index Cheetah 73LP Product Manual, Rev. E Cheetah 73LP Product Manual, Rev. E Scam Scsi Scsi ID 80Cheetah 73LP Product Manual, Rev. E
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