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

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Cheetah 36XL Product Manual, Rev. E

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Table 13:	LW 68-conductor single-ended (SE) P cable signal/pin assignments [11]
Note. A minus sign preceding a signal name indicates that signal is active low.

		Connector				Connector
Signal		contact	Cable conductor			contact	Signal
name [1]		number [3]	number [2]			number [3]	name [1]


GND		1	1		2	35	–DB12
GND		2	3		4	36	–DB13
GND		3	5		6	37	–DB14
GND		4	7		8	38	–DB15
GND		5	9		10	39	–DBP1
GND		6	11		12	40	–DB0
GND		7	13		14	41	–DB1
GND		8	15		16	42	–DB2
GND		9	17		18	43	–DB3
GND		10	19		20	44	–DB4
GND		11	21		22	45	–DB5
GND		12	23		24	46	–DB6
GND		13	25		26	47	–DB7
GND		14	27		28	48	–DBP
GND		15	29		30	49	GND
GND		16	31		32	50	GND
TermPwr		17	33		34	51	TermPwr
TermPwr		18	35		36	52	TermPwr
Reserved		19	37		38	53	Reserved
GND		20	39		40	54	GND
GND		21	41		42	55	–ATN
GND		22	43		44	56	GND
GND		23	45		46	57	–BSY
GND		24	47		48	58	–ACK
GND		25	49		50	59	–RST
GND		26	51		52	60	–MSG
GND		27	53		54	61	–SEL
GND		28	55		56	62	–C/D
GND		29	57		58	63	–REQ
GND		30	59		60	64	–I/O
GND		31	61		62	65	–DB8
GND		32	63		64	66	–DB9
GND		33	65		66	67	–DB10
GND		34	67		68	68	–DB11

Notes [ ]: See page following Table 16.

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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 servicesCheetah 36XL Product Manual, Rev. E Vii List of FiguresPage Cheetah 36XL family drive ST336705LC shown ScopeCheetah 36XL Product Manual, Rev. E Applicable standards and reference documentation Australian C-Tick Korean MICTaiwanese Bsmi General description Cheetah 36XL family drive Reliability Cheetah 36XL Product Manual, Rev. E Standard featuresMedia characteristics PerformanceProgrammable drive capacity Factory installed accessoriesOptions factory installed Formatted capacitiesPerformance characteristics Ultra2 Scsi Ultra160 Scsi Start/stop timePrefetch/multi-segmented cache control Caching write data Cache operationPrefetch operation Cheetah 36XL Product Manual, Rev. E Cheetah 36XL Product Manual, Rev. E Reliability specifications Service philosophy Reliability and servicePreventive maintenance Service lifeControlling S.M.A.R.T 7 S.M.A.R.TPredictive failures Performance impactReporting control Determining rateInvoking DST State of the drive prior to testingDST Failure Definition ImplementationLog page entries Product warrantyShort test Function Code 001b Extended test Function Code 010bProduct repair and return information Cheetah 36XL Product Manual, Rev. E Physical/electrical specifications AC power requirementsDC power requirements Power sequencing Conducted noise immunity3 12 V Current profile 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 ST318405Temperature ST39205Environmental limits Shock Relative humidityEffective altitude sea level Shock and vibrationPackage size Packaged/product weight Drop height Recommended mounting Air cleanliness VibrationAcoustics LW mounting configuration dimensions LC mounting configuration dimensions Defect and error management Drive error recovery proceduresDrive internal defects Scsi systems errors Drive ID/option select header InstallationConfigure drive options FormattingDo 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 descriptionGrounding Drive orientationCooling Drive mountingScsi interface messages supported Interface requirementsScsi interface commands supported Cheetah 36XL Product Manual, Rev. E Commands supported by Cheetah 36XL family drive Inquiry Vital Product data Mode Sense dataCheetah 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 DC cable and connector 2 REQ/ACK offsetPhysical interface Pin Power Scsi interface cable requirements Scsi interface physical descriptionST336705LC, ST318405LC and ST39205LC Mating connectorsMating connectors for LW model drives Mating connectors for LC model drivesScsi ID Right-angle to Pcba connectorsNonshielded 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 signals Electrical descriptionMultimode-SE and LVD alternatives Input characteristics Output characteristicsLC drives General cable characteristicsTerminator requirements Terminator power LW drives Low voltage differential I/O circuitsDisc 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 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 36XL Product Manual, Rev. E Index Symbols Cheetah 36XL Product Manual, Rev. E LED PCB System chassis Page