Seagate Medalist 2160WC (ST52160WC) Manuel

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90 Medalist Pro 2160N/2160WC Product Manual, Rev. A

Appendix B. Sense dataThe appendix contains the descriptions for sense data returned by theRequest Sense command. For more information on the Request

Byte 2If the incorrect length indicator (ILI) bit is zero, the re-quested block of data from the previous command did notmatch the logical block lengt

B.2 Sense keyThe sense keys in the lower-order bits of byte 2 of the sense data returnedby the Request Sense command are described in the following ta

B.3 Additional sense code and additional sense codequalifierThe additional sense code and additional sense code qualifiers returnedin byte 12 and byte

Error code (hex)DescriptionByte 12 Byte 1319 02Error in PList19 03Error in GList1A 00A parameter overrun occurred.1C 00The defect list could not be fo

Error code (hex)DescriptionByte 12 Byte 1340 00 Target operating conditions have changed40 01 Buffer parity error detected40 93 Error in write to flas

Appendix C. Mode pagesMode pages are groups of parameters that the drive stores. Theseparameters can be read using the Mode Sense command and changedu

All mode pages contain a 2-byte header that contains the page code andthe page length for that particular page. The header is shown below. BytesBits7

BytesBits7 6 5432107 (default) Reserved (00H)changeable 00H8 (default) Write retry count (20H) changeable FFH9 (default) Reserved (00H)changeable 00H1

IntroductionThis manual describes the functional, mechanical and interface specifi-cations for the Medalist Pro 2160N and Medalist Pro 2160WC SCSIhar

The post error (PER) bit is not supported.The disable transfer on error (DTE) bit is not supported.The disable correction (DCR) bit is not supported.B

6–7 (default) Disconnect time limit (0000H) changeable 0000H8–9 (default) Connect time limit (0000H)changeable 0000H10–11 (default) Reserved (0000H)ch

C.3 Format Device page (03H)The Format Device page is shown below. This table summarizes thefunction, the default value and the changeability of each

Bytes 2–3The tracks per zone field indicates the number of tracks thedrive allocates to each defect-management zone. Sparesectors or tracks are placed

The default value is 0024H, which is the track skew factorfor the first zone. Bytes 18–19The cylinder skew factor12 field indicates the number ofphysi

BytesBits7 6543210default 000000Hchangeable 000000H9–11 Starting cylinder for reduced write currentdefault 000000Hchangeable 000000H12–13 (default) Dr

loading zone cylinder bytes are not supported by the drive.Byte 17 Reserved. RPL is not supported. Byte 18The rotational offset is not supported.Byte

C.5 Verify error recovery page (07H)The verify error recovery page specifies the error-recovery parametersthe target uses during the Verify command an

tion before other retry mechanisms, but does not performT>1 corrections on-the-fly; any successful correction isreported to the host as a recovered

Number of segments Size of segment (in Kbytes)196248424When the buffer is divided into multiple segments, each segment func-tions as an independent bu

The following is a summary of the drives’ features:Capacity• 2.17 Gbytes, guaranteed Features• SCSI-3 SPI and SCAM Plug and Play compliant• 8-bit and

C.6.3 Caching page descriptionThe Caching page is shown below. This table summarizes the function,the default value and the changeability of each bit.

Byte 2The initiator control (IC) bit is not supported.When the abort prefetch (ABPF) bit is 0, the drive controlscompletion of prefetch. See the descr

drive terminates prefetching whenever another commandis ready to be executed. If the minimum prefetch equalsthe maximum prefetch, the drive prefetches

C.7 Control Mode page (0AH)The Control Mode page is shown below. This table summarizes thefunction, the default value and the changeability of each bi

When the disable queuing (DQue) bit is 0, tagged com-mand queuing is enabled. When the DQue bit is 1, taggedcommand queuing is disabled.Byte 4Not impl

3.Inquiry Length (IL) bit. The IL bit is zero; 148 bytes of stand-ard Inquiry data is available.4.When the Unit Attention bit is 0, normal Unit Attent

116 Medalist Pro 2160N/2160WC Product Manual, Rev. A

Appendix D. Inquiry dataWhen the initiator issues an Inquiry command, the drive returns eitherinquiry data or vital product data, depending on the val

Byte 0The peripheral qualifier field contains a zero, except fornonzero LUNs, which means that the drive is currentlyconnected to the logical unit tha

The Linked bit is 0, which means that the drive does notsupport linked commands.The CmdQue bit is 1, which means that the drive sup-ports tagged comma

Specifications summary tableThe following table serves as a quick reference for the drives’ perform-ance specifications. These and other specification

D.2 Vital product data pagesWhen the initiator issues an Inquiry command, and the EVPD bit in byte 1of the Inquiry command descriptor block is 1, the

D.2.1 Unit Serial Number page (80H)The Unit Serial Number page is shown below. The table summarizes thefunction and the default value of each bit.Byte

Byte 4The current operating definition field contains the value ofthe current operating definition.Byte 5The SAVIMP bit is always 0; therefore, the cu

D.2.4 Date Code page (C1H)The Date Code page is shown below. The table summarizes the functionand the default value of each bit.BytesBits765432100 Per

Seagate Technology, Inc.920 Disc Drive, Scotts Valley, California 95066, USAPublication Number: 32650-001, Rev. A, Printed in USA

Drive specification ST52160N ST52160WCRead/Write power (typical) 6.3W 6.3WIdle power (typical) 6.2W 6.2WVoltage tolerance (including noise): +5V ± 5%±

1.0 Specifications summary1.1 Formatted capacityThe capacities specified here do not include spare sectors and cylinders.The media contains 2,000 spar

1.4 Physical dimensionsHeight (max) 0.748 inches (19 mm)Width (max) 4.01 inches (101.8 mm)Depth (max) 5.38 inches (136.6 mm)Weight (max) 1.0 lb. (0.45

1.6 Read look-ahead and cachingThe drives use algorithims that improve seek performance by storingdata in a buffer and processing it at a more conven

3.Within 250 msec after power is applied, the drive responds to the TestUnit Ready, Request Sense, Mode Sense and Inquiry commands.4. The drive begins

•Seek. The servo electronics are active, and the heads are moving toa specific location on the disc. The read/write electronics are powered-down. The

1.8.3 Input noise+5V +12VVoltage tolerance(including noise)± 5% ± 5% Input noise frequency(max)25 MHz 25 MHzInput noise(max, peak-to-peak)100 mV 240 m

1.9.4 Relative humidityOperating 8% to 80% noncondensingMaximum wet bulb 29.4°C (84.9°F)Operating gradient, max 10% per hourNonoperating 5% to 95% non

1.11 AcousticsThis table shows the overall A-weighted sound power and sound pres-sure levels for the drives. All measurements are generally consistent

1.14 Electromagnetic Compliance for the EuropeanUnionThis model has the CE Marking, signifying that it complies with theEuropean Union requirements of

Radio and television interference. This equipment generates and usesradio frequency energy and, if not installed and used in strict accordancewith the

Sicherheitsanleitung1.Das Gerrät ist ein Einbaugerät, das für eine maximale Umgebung-stemperatur von 55°C vorgesehen ist.2.Zur Befestigung des Laufwer

16 Medalist Pro 2160N/ 2160WC Product Manual, Rev. A

2.0 Hardware and interfaceThe Medalist Pro drives use an UltraSCSI interface. The ST52160Nconsists of an 8-bit bidirectional data bus. The ST52160WC c

• Always rest the drive on a padded, antistatic surface until you mountit in the host system.• Do not touch the connector pins or the printed circuit

2.4 Interface and connector configurationThe ST52160N and ST52160WC drives are differentiated by their con-nectors. The ST52160N comes with a standard

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2.5 ST52160N interface connectorThe ST52160N uses a standard 50-pin, nonshielded, keyed connector.The connector consists of two rows of 25 male contac

2.5.1 ST52160N interface pin assignmentsThe table below shows the pin assignment for the ST52160N 50-pininterface connector. A minus sign (−) indicate

2.5.2 ST52160WC interface connectorThe ST52160WC uses an 80-pin blindmate single-connector attachment(SCA-2). It is a single-piece connector that prov

Signal Name(1)ConnectorContactNumber (3)CableConductor(2)ConnectorContactNumber (3)Signal Name(1)–ATN 19 37 38 59 GND–DBP 20 39 40 60 GND–DB7 21 41 42

Notes:1.See Section 2.3 on page 18 for detailed electrical charac-teristics of these signals.2.The conductor number refers to the conductor position w

2.6 Interface cable requirementsA characteristic impedance of 100 ohms + 10% is recommended for theunshielded flat or twisted-pair interface cable. Ho

• The maximum cable length when using 5 to 8 devices cannot be longerthan 1.5 meters.• Cable stubs cannot be more than 0.1 meter long and must besepar

Pins 13 and 14 are usedfor a remote LED connection.Pin 13 is for cathode and Pin 14 is for anode.ST52160N Options jumper block (J5)SCSI ID 0SCSI ID

Pins 13 and 14 are usedfor a remote LED connection.Pin 13 is for cathode and Pin 14 is for anode.ST52160WC Options jumper block (J5)SCSI ID 0SCSI I

2.8 Active TerminationActive termination is configured on the ST52160N using pins 11 and 12on the J5 options jumper block. Active termination is enabl

© 1996 Seagate Technology, Inc. All rights reservedPublication Number: 32650-001, Rev. A, December 1996Seagate, Seagate Technology, the Seagate logo

Devices at both ends of the SCSI bus must be terminated; intermediatedevices should not be terminated. All electrical signals are commonbetween all S

Caution. To avoid damaging the drive:• Use only mounting screws of the type specified.• Gently tighten the mounting screws—do not apply more than 6 in

In the following figures, all dimensions are in inches and millimeters (mm).5.380 max (136.165)1.985 ± 0.020(50.419 ± 0.508)1.750 ± 0.010(44.450 ± 0

5.380 max (136.165)1.985 ± 0.020(50.419 ± 0.508)1.750 ± 0.010(44.450 ± 0.254)1.625 ± 0.020(41.275 ± 0.508)3.750 ± 0.010 (95.250 ± 0.254)4.010 max (

34 Medalist Pro 2160N/2160WC Product Manual, Rev. A

3.0 Command setThe drives support a subset of the Group 0, Group 1 and Group 2standard SCSI commands. The commands are described in this section.3.1 C

18HReservation conflict status. A SCSI device tried to access thedrive, but was unable to because the drive was already reservedby another SCSI device

Group 1 commands Operation codeVerify 2FHRead Defect Data 37HWrite Data Buffer 3BHRead Data Buffer 3CHRead Long 3EHWrite Long 3FHGroup 2 commandsLog S

3.4.2 Rezero Unit command (01H)The Rezero Unit command retracts the read/write heads to the cylindercontaining logical block zero. BytesBits7654321000

BytesBits765432100000000111 LUN 000002000000003000000004 Allocation length500000000Byte 4The allocation length specifies the maximum number of bytesth

ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Specifications summary table . . . .

Bytes 3–4The interleave field is not supported. It can contain anyvalue. However, the drive always formats the disc with aninterleave of 1:1.3.4.4.1 D

Byte 1 of CDBDescriptionBit 4 Bit 3 Bit 2–Bit 0FmtDataCmpLstDefect ListFormat00XXXDefault format. The initiator does notsend the defect list header or

3.4.4.3 Defect list header and defect listThe defect list, shown below, contains a 4-byte header, followed by oneor more defect descriptors. Byte 1 of

3.4.4.4 Defect descriptor—physical sector formatDefects are specified in the physical sector format when the defect listformat field is 101B. See Byte

BytesBits765432100000001111 LUN 000002000000003000000004000000005000000003.4.5.1 Reassign Blocks defect listThe Reassign Blocks defect list contains a

3.4.6 Read (6) command (08H)When the drive receives the Read command, it transfers data to theinitiator. The Read-Write Error Recovery page (01H) dete

3.4.7 Write (6) command (0AH)When the drive receives the Write command, it writes the initiator’s datato the disc. The Read-Write Error Recovery page

3.4.8 Seek (6) command (0BH)When the drive receives the Seek command, it seeks to the track of thespecified logical block address. This command is not

BytesBits765432100000100101 LUN Reserved EVPD2Page code000000003000000004 Allocation length, in bytes500000000Byte 1If the enable vital product data (

• Default values copy. This copy contains the parameter values thedrive used as its current values when it was manufactured. The drivedefaults to thes

2.1 SCSI-3 compatibility . . . . . . . . . . . . . . . . . . . . . 172.2 Handling and static-discharge precautions . . . .

Byte 1The page format (PF) bit is always one. This means that the datasent by the initiator after the mode select header and blockdescriptors complies

Byte 1The medium type field is always 00H, which means that thedrive is a direct-access device.Byte 3If the block descriptor length is 8 bytes, a bloc

BytesBits765432100000101101 LUN 3rd pty 3rd party device ID Extent200000000300000000400000000500000000Byte 1If the 3rd pty bit is 0, the initiator res

that it made. The SCSI ID of the third-party initiator is specifiedin the 3rd party device ID field. The extent bit must always be 0. The drive does n

transferred. This condition is not considered an error. Any othervalue represents the number of bytes to be transferred. For adescription of the alloc

PagecodeAllocationlengthMode Sense data returned0AH18H4 bytes of Mode Sense header8 bytes of block descriptor2 bytes of mode-page header10 bytes

Byte 3 The block descriptor length is the number of bytes in theblock descriptor. This value does not include the pageheaders and mode pages that foll

3.4.15 Receive Diagnostic Results command (1CH)When the drive receives the Receive Diagnostics command after power-up or after a Send Diagnostic comma

Byte 6The diagnostic error code is not supported.Byte 7The vendor-unique error codes are listed in Section3.4.15.2.3.4.15.2 Diagnostic error codesThe

ning with page code 00H. The drive supports only pages 00Hand 40H.3.4.17 Translate Address Page The translate address page allows the initiator to tra

3.4.6 Read (6) command (08H) . . . . . . . . . . . . . . . . 453.4.7 Write (6) command (0AH) . . . . . . . . . . . . .

lated address. A RAREA bit of zero indicates that no part ofthe translated address falls within a reserved area of the me-dium.5.An alternate sector (

Address Field Physical Sector FormatBytesBits765432104–7 Sector Number3.4.18 Send Diagnostic command (1DH)When the drive receives this command, it per

3.5 Supported Diagnostics Page—Send DiagnosticsThis page contains instructions for the drive to make available the list ofall supported diagnostic pag

Notes:1. The Supplied Format field specifies the format of the addressto translate field. The valid values for this field are 000 forlogical block ad

Bytes 2–5The logical block address specified in the CDB cannot begreater than the logical block address reported by the drivein the read capacity data

BytesBits765432100 001010001 LUN DPO FUA 0 0 02–5 Logical block address6 000000007–8 Transfer length9 00000000Byte 1If the disable page out (DPO) bit

BytesBits765432100 001010101 LUN DPO FUA 0 0 02–5 Logical block address6 000000007–8 Transfer length9 00000000Byte 1If the disable page out (DPO) bit

BytesBits7654321 000010101 11 LUN 0000 02–5 Logical block address60000000 070000000 080000000 090000000 03.6.5 Write and Verify command (2EH)When the

3.6.6 Verify command (2FH)When the drive receives the Verify command, it verifies the data on thedisc. If the host adapter supports disconnection, the

BytesBits7654321 000011011 11 LUN 0000 02000PListGListDefect list format30000000 040000000 050000000 060000000 07–8 Allocation length90000000 0Byte 2I

3.11 Group 3 and 4 commands . . . . . . . . . . . . . . . . . 853.12 Group 5 and 6 commands . . . . . . . . . . . . .

3.6.7.1 Defect list headerThe defect data always begins with a 4-byte header, followed by an8-byte descriptor for each defect. The defect list header

BytesBits7654321 000011101 11 LUN 0 0 Mode2 Buffer ID (00H)3–5 Buffer offset6–8 Parameter list length90000000 0Byte 1If the mode bits contain 000B, th

3.6.9 Read Data Buffer command (3CH)The Read Data Buffer command supports several different features. TheRead Data Buffer command can be used along wi

The offset boundary field returns the boundary alignmentwithin the selected buffer for subsequent WRITE BUFFERand READ BUFFER commands. The value cont

3.6.10 Read Long command (3EH)When the drive receives the Read Long command, it transfers data tothe initiator. BytesBits7654321 000011111 01 LUN 0000

Bytes 7–8The byte transfer length specifies the number of bytes theinitiator transfers to the drive.If the transfer length does not equal the sum of t

REQUEST and the additional sense code will be set toINVALID FIELD IN CDB. If the PCR bit is set to 0, the logparameters will not be reset.The save par

If multiple log pages are sent to the data buffer, they shouldbe sent in ascending order by page code. If there aremultiple parameters within a page,

Byte 0The page code is the code assigned to an attribute the drivemonitors. It specifies the log page that is being transferred.The page codes the dri

Parameter Code 03H—Total Errors Corrected. This counter counts thetotal of all correctable errors encountered. It is the sum of the countersspecified

FiguresFigure 1. Typical startup current profile . . . . . . . . . . . . . . . . 7Figure 2. Single-ended transmitter and receiver .

BytesBits7654321 00–1 Parameter Code2 DU DS TSD ETC TMC Reserved LP3 Parameter length (n–3)4Parameter valuenBytes 1–0The page code is the code assigne

time the cumulative value is updated. When the ETC bit is0 no comparison is made. The ETC bit value is the samefor both the threshold and cumulative v

length value that causes the parameter value to truncate,the drive terminates the command with a Check Conditionstatus. The sense key is set to Illega

3.9 Reserve (10) command (56H)The Reserve (10) command is used to reserve a logical unit. The 3rdParty reservation allows logical units to be reserve

3.10 Release (10) command (57H)The Release (10) command is used to release a previously reservedlogical unit. It is not an error for an initiator to a

3.11 Group 3 and 4 commandsGroup 3 commands are reserved. Group 4 commands are 16-bytecommands. Group 4 commands are not supported. If the drive rece

86 Medalist Pro 2160N/2160WC Product Manual, Rev. A

Appendix A. Supported messagesA.1 MessagesThe implemented 1- and 2-byte messages are listed below.Code Message name DirectionMustnegate ATNbefore last

A.2 Synchronous Data Transfer Request message(01H)The synchronous Data Transfer Request message is an extended mes-sage.Depending on the value contain

A.2.1 Wide Data Transfer Request MessageBytesBits76 54321 00 Extended message (01H)1 Extended message length (02H)2 Wide Data Transfer Request code (0