Seagate ST39205LW/LC, ST318405LW/LC, ST336705LW/LC manual +DBP1

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66					Cheetah 36XL Product Manual, Rev. E
Table 14: LW 68-conductor LVD 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]


+DB12	1	1		2	35	–DB12
+DB13	2	3		4	36	–DB13
+DB14	3	5		6	37	–DB14
+DB15	4	7		8	38	–DB15
+DBP1	5	9		10	39	–DBP1
+DB0	6	11		12	40	–DB0
+DB1	7	13		14	41	–DB1
+DB2	8	15		16	42	–DB2
+DB3	9	17		18	43	–DB3
+DB4	10	19		20	44	–DB4
+DB5	11	21		22	45	–DB5
+DB6	12	23		24	46	–DB6
+DB7	13	25		26	47	–DB7
+DBP	14	27		28	48	–DBP
Ground	15	29		30	49	Ground
DIFFSNS [8]	16	31		32	50	Ground
TermPwr	17	33		34	51	TermPwr
TermPwr	18	35		36	52	TermPwr
Reserved	19	37		38	53	Reserved
Ground	20	39		40	54	Ground
+ATN	21	41		42	55	–ATN
Ground	22	43		44	56	Ground
+BSY	23	45		46	57	–BSY
+ACK	24	47		48	58	–ACK
+RST	25	49		50	59	–RST
+MSG	26	51		52	60	–MSG
+SEL	27	53		54	61	–SEL
+C/D	28	55		56	62	–C/D
+REQ	29	57		58	63	–REQ
+I/O	30	59		60	64	–I/O
+DB8	31	61		62	65	–DB8
+DB9	32	63		64	66	–DB9
+DB10	33	65		66	67	–DB10
+DB11	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 status summary sheet Revision Date Writer/Engineer Sheets AffectedPage Contents Defect and error management InstallationSeagate Technology support services Interface requirementsList of Figures Cheetah 36XL Product Manual, Rev. E ViiPage Scope Cheetah 36XL family drive ST336705LC shownCheetah 36XL Product Manual, Rev. E Applicable standards and reference documentation Korean MIC Australian C-TickTaiwanese Bsmi General description Cheetah 36XL family drive Cheetah 36XL Product Manual, Rev. E Standard features Media characteristicsPerformance ReliabilityFactory installed accessories Options factory installedFormatted capacities Programmable drive capacityPerformance characteristics Start/stop time Ultra2 Scsi Ultra160 ScsiPrefetch/multi-segmented cache control Cache operation Caching write dataPrefetch operation Cheetah 36XL Product Manual, Rev. E Cheetah 36XL Product Manual, Rev. E Reliability specifications Reliability and service Preventive maintenanceService life Service philosophy7 S.M.A.R.T Controlling S.M.A.R.TPerformance impact Reporting controlDetermining rate Predictive failuresState of the drive prior to testing DST Failure DefinitionImplementation Invoking DSTProduct warranty Short test Function Code 001bExtended test Function Code 010b Log page entriesProduct repair and return information Cheetah 36XL Product Manual, Rev. E AC power requirements Physical/electrical specificationsDC power requirements Conducted noise immunity Power sequencing3 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 Cheetah 36XL Product Manual, Rev. E ST318405 Os per SecondST39205 TemperatureEnvironmental limits Relative humidity Effective altitude sea levelShock and vibration ShockPackage size Packaged/product weight Drop height Recommended mounting Vibration Air cleanlinessAcoustics LW mounting configuration dimensions LC mounting configuration dimensions Drive error recovery procedures Defect and error managementDrive internal defects Scsi systems errors Installation Configure drive optionsFormatting Drive ID/option select headerDo not install jumpers retain cover J5 jumper header on LW model only J2 option select header Cheetah 36XL Product Manual, Rev. E Function description Does not apply to LC modelsDrive orientation CoolingDrive mounting GroundingInterface requirements Scsi interface messages supportedScsi interface commands supported Cheetah 36XL Product Manual, Rev. E Commands supported by Cheetah 36XL family drive Mode Sense data Inquiry Vital Product 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 2 REQ/ACK offset DC cable and connectorPhysical interface Pin Power Scsi interface physical description Scsi interface cable requirementsMating connectors Mating connectors for LW model drivesMating connectors for LC model drives ST336705LC, ST318405LC and ST39205LCRight-angle to Pcba connectors Scsi IDNonshielded 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 Electrical description Multimode signalsMultimode-SE and LVD alternatives Output characteristics Input characteristicsGeneral cable characteristics Terminator requirements Terminator power LW drivesLow voltage differential I/O circuits LC drivesDisc drive Scsi timing Drive activity remote LED signal status Cheetah 36XL Product Manual, Rev. E Seagate Technology support services Online Services Automated ServicesPresales Support 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 Cheetah 36XL Product Manual, Rev. E Index Symbols Cheetah 36XL Product Manual, Rev. E LED PCB System chassis Page