Seagate ST336705LW/LC, ST318405LW/LC, ST39205LW/LC manual

Cheetah 36XL Product Manual, Rev. E

25

+12 Volt Current during spindle start – Typical Amperes

3.0
					AC Envelope
2.5
					Nominal (average) DC curve
2.0
1.5
A
1.0
0.5
0.0
T0	T1		T2	T3		T4	T5
	0.0	2	4	6	8	10	12	14	16
					Seconds

Figure 3. Typical ST336705 drive +12 V current profile

	+5 Volt Current during spindle start – Typical Amperes
3.0					AC Envelope
2.5
					Nominal (average) DC curve
2.0
1.5
A
1.0
0.5
0.0
T0	T1	T2	T3		T4		T5
T0			T3				T5
	0.0		2	4	6	8	10	12	14	16
						Seconds

Figure 4. Typical ST318405 drive +12 V current profile

Image 35

Contents

Cheetah 36XL Family ST336705LW/LC ST318405LW/LC ST39205LW/LC Page Cheetah 36XL Family ST336705LW/LC ST318405LW/LC ST39205LW/LC Page Revision Date Writer/Engineer Sheets Affected Revision status summary sheetPage Contents Interface requirements Defect and error managementInstallation Seagate Technology support services Cheetah 36XL Product Manual, Rev. E Vii List of FiguresPage Cheetah 36XL family drive ST336705LC shown Scope Cheetah 36XL Product Manual, Rev. E Applicable standards and reference documentation Taiwanese Bsmi Australian C-TickKorean MIC General description Cheetah 36XL family drive Reliability Cheetah 36XL Product Manual, Rev. E Standard featuresMedia characteristics Performance Programmable drive capacity Factory installed accessoriesOptions factory installed Formatted capacities Performance characteristics Prefetch/multi-segmented cache control Ultra2 Scsi Ultra160 ScsiStart/stop time Caching write data Cache operation Prefetch operation Cheetah 36XL Product Manual, Rev. E Cheetah 36XL Product Manual, Rev. E Reliability specifications Service philosophy Reliability and servicePreventive maintenance Service life Controlling S.M.A.R.T 7 S.M.A.R.T Predictive failures Performance impactReporting control Determining rate Invoking DST State of the drive prior to testingDST Failure Definition Implementation Log page entries Product warrantyShort test Function Code 001b Extended test Function Code 010b Product repair and return information Cheetah 36XL Product Manual, Rev. E DC power requirements Physical/electrical specificationsAC power requirements 3 12 V Current profile Power sequencingConducted noise immunity Typical ST336705 drive +12 V current profile Typical ST39205 drive +12 V current profile TypicalST318405 drive +5 V current profile Power dissipation ST336705 Os per Second Cheetah 36XL Product Manual, Rev. E ST318405 Environmental limits TemperatureST39205 Shock Relative humidityEffective altitude sea level Shock and vibration Package size Packaged/product weight Drop height Recommended mounting Acoustics Air cleanlinessVibration LW mounting configuration dimensions LC mounting configuration dimensions Drive internal defects Defect and error managementDrive error recovery procedures Scsi systems errors Drive ID/option select header InstallationConfigure drive options Formatting Do not install jumpers retain cover J5 jumper header on LW model only J2 option select header Does not apply to LC models Cheetah 36XL Product Manual, Rev. E Function description Grounding Drive orientationCooling Drive mounting Scsi interface messages supported Interface requirements Scsi interface commands supported Cheetah 36XL Product Manual, Rev. E Commands supported by Cheetah 36XL family drive Inquiry Vital Product data Mode Sense data Cheetah 36XL Product Manual, Rev. E Mode Sense Data Cheetah 36XL Product Manual, Rev. E Mode sense data, ST318405 values Bytes Cheetah 36XL Product Manual, Rev. E Mode sense data, ST39205 values Bytes Cheetah 36XL Product Manual, Rev. E Condition/features supported Physical interface DC cable and connector2 REQ/ACK offset Pin Power Scsi interface cable requirements Scsi interface physical description ST336705LC, ST318405LC and ST39205LC Mating connectorsMating connectors for LW model drives Mating connectors for LC model drives Scsi ID Right-angle to Pcba connectors Nonshielded 68 pin Scsi device connector used on LW drives Nonshielded 80 pin Scsi SCA-2 connector, used on LC drives GND +DBP1 Charge 68Cheetah 36XL Product Manual, Rev. E Multimode-SE and LVD alternatives Multimode signalsElectrical description Input characteristics Output characteristics LC drives General cable characteristicsTerminator requirements Terminator power LW drives Low voltage differential I/O circuits Disc drive Scsi timing Drive activity remote LED signal status Cheetah 36XL Product Manual, Rev. E Technical Support Seagate Technology support services Online ServicesAutomated Services Presales Support European Support Services Customer Service CSOUSA/Canada/Latin America Support Services Call Center Toll-free Direct dial Africa/Middle East Support ServicesAsia/Pacific Support Services Cheetah 36XL Product Manual, Rev. E Index Symbols Cheetah 36XL Product Manual, Rev. E LED PCB System chassis Page