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•

The maximum cable length when using 5 to 8 devices cannot be longer
than 1.5 meters.

•

Cable stubs cannot be more than 0.1 meter long and must be
separated by at least 0.3 meter.

2.7

Options jumper block

The ST52160N and ST52160WC options jumper block allows you to:

•

Set the SCSI ID address.

•

Enable or disable active termination.

•

Enable parity.

•

Activate the motor start/stop option.

•

Attach a remote LED.

These functions are represented on the drives’ options jumper block (J5).
Figure 4 and Figure 5 on pages 27 and 28 show you how to configure
the jumpers. The ST52160WC allows you to configure some of these
functions through the SCSI bus. You must use either the bus commands
or the jumpers to configure the drive when both options are available.

The options jumper block accepts 2-mm jumpers. If you need additional
jumpers, use the jumpers listed below or equivalent.

Manufacturer

Part number

Seagate

13211-001

Du Pont

89133-001

Methode

8618-202-70

2.7.1

SCSI address

The SCSI ID address is set using pins 1 and 2, 3 and 4, and 5 and 6 on
the options jumper block (J5). The drive is shipped with no jumpers on
the SCSI addresses. This makes the default SCSI ID 0. To configure the
drive for a different address, consult the charts in Figure 4 or Figure 5 on
pages 27 and 28. Refer to your host adapter manual for the preferred
addressing scheme.

26

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

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Содержание Medalist 2160N (ST52160N)

Страница 1: ...Medalist Pro Family Medalist 2160N ST52160N Medalist 2160WC ST52160WC SCSI Interface Drives Product Manual...

Страница 2: ......

Страница 3: ...Medalist Pro Family Medalist 2160N ST52160N Medalist 2160WC ST52160WC SCSI Interface Drives Product Manual...

Страница 4: ...red trademarks of Seagate Technology Inc Other product names are trademarks or registered trademarks of their owners Seagate reserves the right to change without notice product offerings or specificat...

Страница 5: ...quence 8 1 7 3 Auto park 8 1 8 Power management 8 1 8 1 Power consumption 9 1 8 2 Voltage tolerance 9 1 8 3 Input noise 10 1 9 Environmental 10 1 9 1 Ambient temperature HDA case 10 1 9 2 Temperature...

Страница 6: ...I operation 25 2 6 3 Interface cable for UltraSCSI operation 25 2 7 Options jumper block 26 2 7 1 SCSI address 26 2 8 Active Termination 29 2 9 Parity enable option 29 2 9 1 Motor Start option 29 2 9...

Страница 7: ...orted Diagnostics Page Send Diagnostics 62 3 6 Translate Address Page Send Diagnostic 62 3 6 1 Read Capacity command 25H 63 3 6 2 Read 10 command 28H 64 3 6 3 Write 10 command 2AH 65 3 6 4 Seek 10 com...

Страница 8: ...nect page 02H 100 C 3 Format Device page 03H 102 C 4 Rigid Disc Geometry page 04H 104 C 5 Verify error recovery page 07H 107 C 6 Caching page 08H 108 C 6 1 Read look ahead and caching 108 C 6 2 Write...

Страница 9: ...ended transmitter and receiver 18 Figure 3 Connectors 19 Figure 4 ST52160N jumper settings 27 Figure 5 ST52160WC jumper settings 28 Figure 6 ST52160N Mounting dimensions 32 Figure 7 ST52160WC Mountin...

Страница 10: ......

Страница 11: ...atures that ensure fast data throughput The ST52160N uses a 128 Kbyte buffer The ST52160WC uses a 256 Kbyte buffer The adaptable cache aids the flow of read and write data Embedded servo technology al...

Страница 12: ...M rotational speed 5 56 average latency 128 Kbyte1 and 256 Kbyte2 buffer Self Monitoring Analysis and Reporting Technology S M A R T Rotational position seek sort On the fly ECC correction Embedded se...

Страница 13: ...0 5 Internal data transfer rate Mbits per second max 56 3 to 99 6 MHz 56 3 to 99 6 MHz External transfer rate Mbytes per second max 10 0 asynchronus 20 0 synchronous 20 0 asynchronus 40 0 synchronous...

Страница 14: ...mperature operating noncondensing 29 4 C 29 4 C Altitude operating 1 000 to 10 000 ft 1 000 to 10 000 ft Shock normal operating Gs max for 11 msec 2 Gs 2 Gs Vibration operating Gs max at 22 350 Hz wit...

Страница 15: ...per track average 161 1 3 Functional specifications Interface SCSI 3 SPI Compliant PRML recording method Code 0 4 4 External data transfer rate Mbytes per sec max 10 asynchronous4 20 synchronous4 20...

Страница 16: ...LBA 0 Track to track seek time typ6 Average typical seek time7 Full stroke seek time typ8 Average latency 3 5 msec typ 11 0 msec typ 25 0 msec typ 5 56 msec 4 5 msec max 12 0 msec read 27 0 msec max 1...

Страница 17: ...sequence The following typical power up sequence is provided to assist you in evaluating drive performance This information does not constitute a specification or a performance guarantee 1 Power is a...

Страница 18: ...ator lock mechanism locks the arm This completes the power down sequence 1 7 3 Auto park During power down the read write heads automatically move to the landing zone The heads park inside the maximum...

Страница 19: ...follow mode 1 8 1 Power consumption Values in the table below were measured at the drive power connector with an RMS DC ammeter The terminating resistors are disabled and terminator power is supplied...

Страница 20: ...drive is packaged as it was shipped from the factory 1 9 1 Ambient temperature HDA case Operating 5 C to 55 C 41 F to 131 F Nonoperating 40 C to 70 C 40 F to 158 F Note The system must provide suffici...

Страница 21: ...there is no physical dam age to the drive or performance degradation During abnormal operating shock and vibration there is no physical damage to the drive although performance may be degraded during...

Страница 22: ...Read error rates are measured with automatic retries and data correction with ECC enabled and all flaws reallocated The mean time between failures MTBF is measured at nominal power at sea level and a...

Страница 23: ...ll confirm EMC compliance and provide CE Marking for their product The drive is not meant for external uses without properly designed enclosure shielded I O cable etc and a terminator should be used o...

Страница 24: ...outlet so that the receiver and computer are on different branch outlets If necessary you should consult your dealer or an experienced radio tele vision technician for additional suggestions You may...

Страница 25: ...ung an der Unterseite nicht mehr als 5 08 mm betragen 3 Als Versorgungsspannugen werden ben tigt 5V 5 0 55A 12V 5 0 35A 1 9A fur ca 10 Sek fur 10 4 Die Versorgungsspannung muss SELV entsprechen 5 Alle...

Страница 26: ...16 Medalist Pro 2160N 2160WC Product Manual Rev A...

Страница 27: ...SI SCSI 2 Interface The Fast SCSI 3 interface is based on the ANSI Small Computer System Interface 2 SCSI 2 document number ANSI X3 131 1994 2 2 Handling and static discharge precautions The drive has...

Страница 28: ...ve terminator circuitry Transmitter characteristics The drives use an ANSI SCSI compat ible open collector single ended driver This driver is capable of sinking a current of 48 mA with a low level out...

Страница 29: ...es with an 80 pin blindmate single connector attachment SCA 2 The power is supplied to the drive through the bus To minimize noise use shielded mating connectors Standard power connector 5V 5V return...

Страница 30: ...hout strain relief Without strain relief No center key With strain relief No center key Closed end for cable ends 3M 3425 7000 3M 3425 7050 Open end for daisy chain 3M 3425 6000 3M 3425 6050 Part numb...

Страница 31: ...3 8 7 DB 4 10 9 DB 5 12 11 DB 6 14 13 DB 7 16 15 DB P 18 17 Ground 19 22 Reserved 23 25 Terminator power 26 Reserved 27 28 Ground 29 30 ATN 32 31 Ground 33 34 BSY 36 35 ACK 38 37 RST 40 39 MSG 42 41 S...

Страница 32: ...ents The following table shows the pin assignments for the ST52160WC 80 pin interface connector A minus sign indicates an active low signal Signal Name 1 Connector Contact Number 3 Cable Conductor 2 C...

Страница 33: ...DB2 26 51 52 66 GND DB1 27 53 54 67 GND DB0 28 55 56 68 GND DP1 29 57 58 69 GND DB15 30 59 60 70 GND DB14 31 61 62 71 GND DB13 32 63 64 72 GND DB12 33 65 66 73 GND 5 V 34 67 68 74 Mated 2 5 V 35 69 7...

Страница 34: ...art option Motor Start enables the motor through the SCSI bus command 6 To set up the SCSI bus ID on the drive the host asserts the binary code on A3 A2 A1 and A0 7 GND provides a means for differenti...

Страница 35: ...Pair Spectra Twist N Flat 455 248 50 2 6 1 Interface cable length for asynchronous operation The SCSI interface cable must meet the following requirements for normal operation The cable length cannot...

Страница 36: ...of these functions through the SCSI bus You must use either the bus commands or the jumpers to configure the drive when both options are available The options jumper block accepts 2 mm jumpers If you...

Страница 37: ...ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6 SCSI ID 7 SCSI Parity Disabled SCSI Parity Enabled Remote Start Disabled Remote Start Enabled 1 2 3 4 6 10 5 7 9 11 12 13 14 8 Remote LED Connection Note Drive orien...

Страница 38: ...I ID 5 SCSI ID 6 SCSI ID 7 SCSI Parity Disabled SCSI Parity Enabled Remote Start Disabled Remote Start Enabled SCSI ID 8 SCSI ID 9 SCSI ID 10 SCSI ID 11 SCSI ID 12 SCSI ID 13 SCSI ID 14 SCSI ID 15 1 2...

Страница 39: ...drive to wait for a Start Stop Unit command from the host before starting or stopping the spindle motor Motor Start is enabled on the ST52160N when a jumper is installed on pins 9 and 10 of the optio...

Страница 40: ...red to use the remote start stop feature disconnect the DC power cable from the drive DC power connector and wait 30 seconds If the drive is configured to use the remote start stop feature issue the S...

Страница 41: ...on To avoid damaging the drive Use only mounting screws of the type specified Gently tighten the mounting screws do not apply more than 6 inch lb of torque Medalist Pro 2160N 2160WC Product Manual Rev...

Страница 42: ...748 max 19 000 2 362 0 010 59 995 0 254 0 240 0 020 6 096 0 508 4 000 0 010 101 60 0 254 0 250 0 010 6 350 0 254 1 120 28 448 Six 6 32 NC 2B threaded hole Max screw insertion depth 0 20 inches Four 6...

Страница 43: ...ax 19 000 2 362 0 010 59 995 0 254 0 240 0 020 6 096 0 508 4 000 0 010 101 60 0 254 0 250 0 010 6 350 0 254 1 120 28 448 Six 6 32 NC 2B threaded hole Max screw insertion depth 0 20 inches Four 6 32 NC...

Страница 44: ...34 Medalist Pro 2160N 2160WC Product Manual Rev A...

Страница 45: ...low to the initiator during the status phase before the command complete message Bytes Bits 7 6 5 4 3 2 1 0 0 Reserved Status byte code Rsvd 0 0 0 The status byte can be any of the following 00H Good...

Страница 46: ...Supported commands The drive supports the commands listed below Group 0 commands Operation code Test Unit Ready 00H Rezero Unit 01H Request Sense 03H Format Unit 04H Reassign Blocks 07H Read 6 08H Wri...

Страница 47: ...s 3 4 1 Test Unit Ready command 00H The Test Unit Ready command verifies that the drive is ready it is not a request for a self test If the drive can accept an appropriate media access command without...

Страница 48: ...h a check condition status was returned This sense data is saved for the initiator until The initiator requests the sense data using the Request Sense com mand or Another command is received from the...

Страница 49: ...ed In addition the medium can be certified and control structures may be created for the management of the medium and defects If the specified logical unit is reserved the Format Unit command is rejec...

Страница 50: ...at the drive reads during the certify of the Format Unit command The CList is incorporated into the GList before the end of the Format Unit command The data defect list DList is a list of sectors the...

Страница 51: ...Format option with the GList and DList The initiator sends the defect list header which may be followed by a DList in physical sector format The drive adds the DList to the existing GList All sectors...

Страница 52: ...Therefore no CList for this format is created or reallocated If the DCRT is 0 the drive verifies the data written during the format creates a CList and reallocates sectors that were unrecoverable If...

Страница 53: ...07H When the drive receives the Reassign Blocks command it reassigns defective logical blocks to available spare sectors Note ARRE and AWRE may perform automatic reassignments inde pendently of this c...

Страница 54: ...descriptor is 4 bytes Bytes Bits 7 6 5 4 3 2 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 3 Defect list length 4 n Defect descriptors Byte 2 3 The defect list length specifies the total length in bytes...

Страница 55: ...page is discussed in Section C 2 on page 100 The drive may discon nect if allowed whenever there is less than one block in the buffer Because the drive uses read look ahead functions it may read more...

Страница 56: ...eservation access conflict this command terminates with a reservation conflict status and no data is written For more information about the reservation conflict status see Section 3 2 on page 35 Note...

Страница 57: ...block address LSB 4 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 Bytes 1 3 The logical block address specifies the logical block to which the head seeks 3 4 9 Inquiry command 12H When the drive receives the Inqu...

Страница 58: ...ive all of the standard inquiry data 3 4 10 Mode Select 6 command 15H The Mode Select command allows the initiator to change parameters stored in the mode pages The mode pages are described in Appen d...

Страница 59: ...91 Before sending the Mode Select command the initiator should send a Mode Sense command requesting that the drive return the changeable values for all pages The initiator uses this information to det...

Страница 60: ...bytes the 2 byte mode page header and the length of each mode page For the length of the mode pages refer to Appendix C on page 97 3 4 10 1 Mode Select parameter list The Mode Select parameter list co...

Страница 61: ...e be reserved for exclusive use by the initiator until the reservation is Superseded by another Reserve command from the initiator that made the reservation An initiator that has already reserved the...

Страница 62: ...t had reserved the drive using the Reserve com mand issues the Release command it cancels the reservation If the drive is not currently reserved or is reserved by another initiator and it receives a R...

Страница 63: ...return zero or more block descriptors in the returned Mode Sense data This is at the target s discretion A DBD bit of one specifies that the target will not return any block descriptors in the returne...

Страница 64: ...th Mode Sense data returned 01H 18H 4 bytes of Mode Sense header 8 bytes of block descriptor 2 bytes of mode page header 10 bytes of Read Write Error Recovery parameters 02H 1CH 4 bytes of Mode Sense...

Страница 65: ...The header and block descriptor are shown below The mode pages are described in Appendix C on page 97 Bytes Bits 7 6 5 4 3 2 1 0 0 Mode Sense data length 1 default Medium type 00H 2 WP 0 Reserved 3 d...

Страница 66: ...op Unit command the drive either spins up or spins down depending on the setting of the start bit in byte 4 If the host adapter supports disconnection the drive disconnects when it receives the Start...

Страница 67: ...of bytes the initiator has allocated for returned diagnostic result data An allocation length of 0 means that no diagnostic data is transferred this is not an error The drive sends the lesser of the...

Страница 68: ...c error 3 4 16 Supported Diagnostic Pages The following table lists all of the diagnostic pages that supports the drive If the Send Diagnostics command requests the Supported Diagnostics Page list PF...

Страница 69: ...eserved 2 3 Page Length 000A 2 4 Reserved Supplied Format 3 5 RAREA 4 ALTSEC 5 ALTTK 6 Rsrvd Translated Format 7 6 13 Translated Address 8 if available Notes 1 The translate address page contains a 4...

Страница 70: ...d on an alternate track An ALTTRK bit of zero indicates that no part of the translated address is located on an alternate track of the medium 7 The Translated Format field contains the value from the...

Страница 71: ...ed the parameter list length is 0 and no data is transferred If the self test passes successfully the com mand terminates with a good status If the self test fails the command terminates with a check...

Страница 72: ...late Address Page Send Diagnostic The translate address page allows the initiator to translate a logical block address into a physical sector address or a physical sector address into a logical block...

Страница 73: ...drive does not support the requested format it terminates the com mand with a Check Condition status The sense key is set to Illegal Request and an additional sense code is set to Invalid Field in Par...

Страница 74: ...ed logical block address is a track head boundary 3 6 1 1 Read Capacity data The Read Capacity data is shown below Bytes Bits 7 6 5 4 3 2 1 0 0 3 Logical block address 4 7 Block length 00000200H Bytes...

Страница 75: ...al block where the read operation begins Bytes 7 8 The transfer length specifies the number of contiguous logical blocks of data to be transferred A transfer length of 0 means that no logical blocks a...

Страница 76: ...be stored in the cache If the FUA bit is 0 the drive can write the data to the cache or the disc Bytes 2 5 The logical block address specifies the logical block where the write operation begins Bytes...

Страница 77: ...dress 6 0 0 0 0 0 0 0 0 7 8 Transfer length 9 0 0 0 0 0 0 0 0 Byte 1 If the byte check BytChk bit is 0 the drive verifies the media after a write by checking the ECC syndromes If the BytChk bit is one...

Страница 78: ...verifying the data Bytes 7 8 The verification length field specifies the number of contigu ous logical blocks to be verified If the verification length is 0 the drive does not verify any logical block...

Страница 79: ...fect list header only If the defect list format field contains 101B the drive returns the defect data in the physical sector format If the defect list format field contains 000B or 100B the drive retu...

Страница 80: ...t length always specifies the length of the defect data in bytes even if the allocation length in the CDB is not large enough to accommodate all the defect descriptors If the PList and GList bits are...

Страница 81: ...itiators except the one that issued the current Write Data Buffer command All other settings for the mode bits are reserved Byte 2 This field is ignored if the mode bits are 101B Byte 3 5 The buffer o...

Страница 82: ...ive buffer The data is preceded by a 4 byte header This mode is called read combined header and data If the mode bits contain 010B the initiator reads data from the drive buffer without a header This...

Страница 83: ...determine the source of the first data byte The bytes that follow are read from sequential addresses If the sum of the buffer offset and the transfer length exceeds the available length reported in t...

Страница 84: ...he byte transfer length is 0 the drive does not transfer any data to the initiator This condi tion is not considered an error Otherwise transfer length must be 532 214H Bytes 3 6 11 Write Long command...

Страница 85: ...itiator should issue the Log Sense command before issuing the Log Select command to determine supported pages and page length The data is structured in log pages and is managed through the log paramet...

Страница 86: ...saved Byte 2 The page control PC field defines the type of parameter values to be selected The page control values for the Log Select command are Type Parameter values 00B Threshold value 01B Cumulati...

Страница 87: ...ecify attributes it wants to monitor and provides additional parametric instructions that the initiator can set for the specific attribute Both the Log Select command and the Log Sense command use the...

Страница 88: ...eter Code 01H Error Corrected with Possible Delays An error code or algorithm that is ECC checksum is applied to get perfect data with substantial delay With Possible Delays means the correction took...

Страница 89: ...erminates early because of an unrecoverable error only the logical blocks up to and including the one with the unrecoverable error are counted Data bytes transferred to the initiator during a Mode Sel...

Страница 90: ...e parameter The drive uses volatile memory to hold cumulative values The values are lost during a power cycle unless the initiator commands the drive to save them in nonvolatile memory The DU bit is n...

Страница 91: ...he LP bit is 1 the parameter is a list parameter an ASCII string The drive does not support list parameters Data counters are associated with one or more events and are incremented whenever one of the...

Страница 92: ...iator sends counts to set values into counters in the drive and the drive returns counter values to the initiator The initiator is responsible for issuing a Log Sense command to learn the parameter le...

Страница 93: ...ification 4 3 3rd Party Device ID not supported 4 Reserved 5 Reserved 6 Reserved 7 8 Extent List Length 3 9 Control Byte 5 Notes 1 The Logical Unit Number must be 0 2 If bit 4 is 0 byte 2 must also be...

Страница 94: ...it Number 1 3rd Party 2 Reserved Extent 3 2 Reservation Identification 4 3 3rd Party Device ID 2 4 Reserved 5 Reserved 6 Reserved 7 Reserved 8 Reserved 9 Control Byte 5 Notes 1 The Logical Unit Number...

Страница 95: ...nd 6 commands Group 5 and 6 commands are 12 byte commands Group 5 commands are notimplemented IfthedrivereceivesaGroup5command itreturnsacheck condition status Group 6 commands are reserved for Seagat...

Страница 96: ...86 Medalist Pro 2160N 2160WC Product Manual Rev A...

Страница 97: ...r queue O Yes 00H Command complete I 04H Disconnect I 80H Identify I O No 05H Initiator detected error O Yes 09H Message parity error O Yes 07H Message reject I O Yes 08H No operation O Yes 21H Head o...

Страница 98: ...yte 0 This byte identifies the message as an extended message Byte 1 This byte reports the length of the message Byte 2 This byte identifies the message as a synchronous data transfer request message...

Страница 99: ...ccommodate this transfer width it returns the same value in its WDTR message If it requires a smaller transfer width it substitutes a smaller value in its WDTR message The successful completion of an...

Страница 100: ...90 Medalist Pro 2160N 2160WC Product Manual Rev A...

Страница 101: ...formation bytes 7 Additional sense length 8 11 Command specific data 12 Additional sense code 13 Additional sense code qualifier 14 FRU code 15 SKSV Sense key specific 16 17 Sense key specific 18 21 P...

Страница 102: ...l block address of the offending block Byte 7 The additional sense length is limited to a maximum of 0EH additional bytes If the allocation length of the com mand descriptor block is too small to acco...

Страница 103: ...law in the media or an error in the recorded data 4H Hardware error The drive detected a nonrecoverable hardware failure while performing the command or during a self test This includes for example SC...

Страница 104: ...p mode 04 02 Drive not ready waiting for initialization 04 03 Drive not ready human intervention required 04 04 Drive not ready format in process 09 00 Track following error 11 00 An unrecovered read...

Страница 105: ...nvalid bit 25 00 The drive received an invalid LUN 26 00 The drive received an invalid field in the Parameter List 26 01 CDB with unsupported parameter 26 02 CDB with invalid parameter 26 03 CDB with...

Страница 106: ...n write to flash 43 00 A message error occurred 44 00 An internal controller error occurred 47 00 A SCSI bus parity error occurred 48 00 The initiator detected an error 49 00 The initiator receives an...

Страница 107: ...03H 24 No Rigid Disc Geometry page 04H 24 No Verify error recovery page 07H 12 Yes Caching page SCSI 3 08H 20 Yes Control Mode page 0AH 12 Yes Unit Attention Page 00H 4 Yes For all mode pages If the c...

Страница 108: ...ntifies the page Byte 1 The page length is the length in bytes of the page C 1 Read Write Error Recovery page 01H The Read Write Error Recovery page is shown below This table sum marizes the function...

Страница 109: ...ks Instead a check condi tion status is reported with a sense key of media error The transfer block TB bit is not supported When the read continuous RC bit is 1 the drive sends all data without making...

Страница 110: ...yte 6 The data strobe offset count is not implemented Byte 7 Reserved Byte 8 The write retry count field contains the maximum number of times the drive attempts its recovery algorithms The write retry...

Страница 111: ...y limit field indicates the time in 100 sec increments that the drive can assert the Busy signal without handshakes until it disconnects The drive can round down to its nearest capable value If the bu...

Страница 112: ...ks per zone 0000H changeable 0000H 8 9 default Alternate tracks per volume 0000H changeable 0000H 10 11 default Sectors per track 00A1H changeable 0000H 12 13 default Data bytes per physical sector 02...

Страница 113: ...gement A value of 0 indicates that no spare tracks are reserved at the end of each zone for defect management Bytes 10 11 The sectors per track field indicates the number of physi cal sectors the driv...

Страница 114: ...d as not changeable Although it can be set to satisfy system requirements it does not affect drive per formance The removable media RMB bit is always set to 0 indi cating that the drive does not suppo...

Страница 115: ...r of cylinders including 2 000 spare blocks at the end of the volume The user accessible cylinders may be less The drive s first requirement is the user capacity not the number of cylinders The drive...

Страница 116: ...by the drive Byte 17 Reserved RPL is not supported Byte 18 The rotational offset is not supported Byte 19 Reserved Bytes 20 21 The medium rotation rate is the spindle speed Bytes 22 23 Reserved 106 M...

Страница 117: ...angeable 00H 6 default Reserved 00H changeable 00H 7 default Reserved 00H changeable 00H 8 default Reserved 00H changeable 00H 9 default Reserved 00H changeable 00H 10 11 default Verify Recovery time...

Страница 118: ...ry time is unlimited C 6 Caching page 08H The drive uses read look ahead read caching and write caching to improve seek times and performance C 6 1 Read look ahead and caching The drive uses an algori...

Страница 119: ...merging uses the Write Immediate function Write Immediate terminates the command as soon as the initiator data is sent Write Immediate can be performed on an isolated write command If Write Immediate...

Страница 120: ...e 0 0 0 0 0 0 0 0 4 5 default Disable prefetch transfer length FFFFH changeable 0000H 6 7 default Minimum prefetch 0000H changeable FFFFH 8 9 default Maximum prefetch FFFFH changeable FFFFH 10 11 defa...

Страница 121: ...umber of logical blocks to be prefetched When the MF bit is 1 the drive interprets the minimum prefetch and maximum prefetch fields in terms of a num ber which when multiplied by the transfer length o...

Страница 122: ...te FSW bit that is set to 1 indicates that multiple block writes are to be transferred over the SCSI bus and written to the media in an ascend ing sequential logical block order When the disable read...

Страница 123: ...ault Reserved 00H changeable 00H 6 7 default Ready AEN hold off period 0000H changeable 0000H 8 9 default Busy timeout period FFFFH changeable 0000H 10 11 default Reserved 0000H changeable 0000H Byte...

Страница 124: ...its 7 6 5 4 3 2 1 0 0 PS 1 Page code 0H 0 0 0 0 0 0 0 1 Page length in bytes 2 Rsrvd SSM 2 IL 3 Unit Attn 4 Reserved Strict 5 Rsrvd default 0 0 0 0 0 0 1 0 changeable 0 1 0 1 0 0 0 0 3 default 00H cha...

Страница 125: ...ion during power up or after a Reset However if the first command is a Re quest Sense command the sense data will reflect a Power on or Reset was detected 5 The Strict bit is set to 1 The drive checks...

Страница 126: ...116 Medalist Pro 2160N 2160WC Product Manual Rev A...

Страница 127: ...following data If the EVPD bit in byte 1 of the Inquiry command descriptor block is 1 see Appendix D 2 on page 120 Bytes Bits 7 6 5 4 3 2 1 0 0 Peripheral qualifier Peripheral device type 0 0 0 0 0 0...

Страница 128: ...ynchronous event notification The terminate I O process TrmIOP bit is zero which means that the drive does not support the terminate I O process message The response data formatfield contains a two wh...

Страница 129: ...field contains the model num ber of the drive in ASCII text Bytes 32 35 The product revision level field contains the last four digits of the firmware release number in ASCII text Bytes 36 43 The driv...

Страница 130: ...ssues the Inquiry command The peripheral device type field contains zero which means that the drive is a direct access device Byte 1 The page code field contains the same value contained in the page c...

Страница 131: ...r for the drive in ASCII If the drive does not return the serial number it returns spaces 20H D 2 2 Implemented Operating Definition page 81H The Implemented Operating Definition page is shown below T...

Страница 132: ...n field contains the value of the supported operating definition If no supported oper ating definition is saved the drive uses the default operating definition D 2 3 Firmware Numbers page C0H The Firm...

Страница 133: ...wn below The table summarizes the function and the default value of each bit Bytes Bits 7 6 5 4 3 2 1 0 0 Peripheral qualifier Peripheral device type 1 Page code C2H 2 Reserved 00H 3 Page length 01H 4...

Страница 134: ......

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Страница 137: ......

Страница 138: ...Seagate Technology Inc 920 Disc Drive Scotts Valley California 95066 USA Publication Number 32650 001 Rev A Printed in USA...

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