Maxtor Atlas 10K V Product Manual Download Page 60

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5-2

Maxtor Atlas 10K V

PERSISTENT RESERVATION OUT

5Fh

Sequential

READ (6)

08h

Normal

READ (10)

28h

Normal

READ BUFFER

3Ch

Sequential

READ CAPACITY

25h

Immediate

READ DEFECT DATA (10)

37h

Sequential

READ DEFECT DATA (12)

B7h

Sequential

READ LONG

3Eh

Sequential

REASSIGN BLOCKS

07h

Sequential

RECEIVE DIAGNOSTIC RESULTS

1Ch

Sequential

RELEASE

17h

Sequential

RELEASE (10)

57h

Sequential

REPORT LUNS

A0h

Sequential

REPORT DEVICE IDENTIFIER

A3h

Sequential

REQUEST SENSE

03h

Immediate

RESERVE

16h

Sequential

RESERVE (10)

56h

Sequential

REZERO UNIT

01h

Sequential

SEEK (6)

0Bh

Sequential

SEEK (10)

2Bh

Sequential

SEND DIAGNOSTIC

1Dh

Sequential

SET DEVICE IDENTIFIER

A4h

Sequential

START STOP UNIT

1Bh

Sequential

SYNCHRONIZE CACHE

35h

Sequential

TEST UNIT READY

00h

Immediate

VERIFY

2Fh

Normal

WRITE (6)

0Ah

Normal

WRITE (10)

2Ah

Normal

WRITE AND VERIFY

2Eh

Normal

WRITE BUFFER

3Bh

Sequential

WRITE LONG

3Fh

Sequential

WRITE SAME

41h

Sequential

Command

Operation Code

Category

Summary of Contents for Atlas 10K V

Page 1: ...Maxtor Atlas 10K V Product Manual September 6 2005 Revision 3 PN 000001911...

Page 2: ...9 153 4 882 671 4 920 442 4 920 434 4 982 296 5 005 089 5 027 241 5 031 061 5 084 791 5 119 254 5 160 865 5 170 229 5 177 771 Other U S and Foreign Patents Pending Maxtor MaxFax and No Quibble Service...

Page 3: ...ilure to follow these precautions and guidelines outlined here may lead to product failure damage and invalidation of all warranties 1 BEFORE unpacking or handling a drive take all proper electro stat...

Page 4: ...is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the...

Page 5: ...3 UNPACKING INSTRUCTIONS 3 6 3 4 HARDWARE OPTIONS 3 8 3 4 1 Configuration Jumpers and Connections 3 8 3 4 2 Jumper Options on the 68 Pin Wide PCB 3 8 3 4 2 1 Write Protection 3 10 3 4 2 2 Delay Spin...

Page 6: ...L CONDITIONS 4 8 4 9 ELECTROMAGNETIC CONDITIONS 4 9 4 9 1 EMI RFI Susceptibility 4 9 4 9 2 ESD 4 9 4 9 3 Sensitivity to Magnetic Fields 4 9 4 10 SHOCK AND VIBRATION 4 9 4 11 RELIABILITY 4 10 4 12 DISK...

Page 7: ...ENSE 6 Command 1Ah 5 64 5 16 1 Read Only Mode Pages 5 65 5 16 2 Format Device Page 03h 5 65 5 16 3 Rigid Disk Geometry Page 04h 5 67 5 17 MODE SENSE 10 Command 5Ah 5 69 5 18 PERSISTENT RESERVATION IN...

Page 8: ...nd 3Bh 5 140 5 49 WRITE LONG Command 3Fh 5 142 Chapter 6 FEATURE DESCRIPTIONS 6 1 KEY FEATURES 6 1 6 2 6 2 WRITE BACK CACHING 6 2 6 3 6 3 ZERO LATENCY READ WRITE 6 3 6 4 DISCONNECT RECONNECT 6 3 6 5 T...

Page 9: ...e Compensation with Cutback 6 13 6 15 8 Free Running Clock FRC 6 13 6 15 9 Skew Compensation 6 13 6 15 10 Information Unit Transfers 6 13 6 16 HOT PLUGGING REMOVAL AND INSERTION OF SCSI DEVICES 6 13 6...

Page 10: ...8 Pin Wide SCSI Drive PCB 3 7 Figure 3 4 Pin Locations on SCA 2 Connector 3 11 Figure 3 5 J1 Interface Connector Configurations 3 15 Figure 3 6 Mounting Dimensions Maxtor Atlas 10K V Drives 3 23 Figur...

Page 11: ...Data Format 5 4 Table 5 3 Command Descriptor Block Field Descriptions 5 4 Table 5 4 Typical 6 Byte Command Descriptor Block Data Format 5 5 Table 5 5 Command Descriptor Block Control Field Field Desc...

Page 12: ...34 Table 5 44 LOG SENSE Command Descriptor Block Field Descriptions 5 34 Table 5 45 LOG SENSE Log Page Format Data Format 5 35 Table 5 46 LOG SENSE Log Page Format Field Descriptions 5 35 Table 5 47...

Page 13: ...le 5 93 Mode Parameter Header 6 Byte Data Format 5 64 Table 5 94 Mode Parameter Header and Block Descriptor Field Descriptions 5 65 Table 5 95 Read Only Mode Pages 5 65 Table 5 96 Format Device Page P...

Page 14: ...ex Format or Physical Sector Format 5 96 Table 5 134 Defect List Header Data Format 5 96 Table 5 135 Defect List Header Field Descriptions 5 96 Table 5 136 READ DEFECT DATA 12 Command Data Format 5 97...

Page 15: ...ytes Data Format 5 122 Table 5 175 ILLEGAL REQUEST Sense Key Field Pointer Bytes Field Descriptions 5 122 Table 5 176 NOT READY Sense Key Progress Indication Bytes Data Format 5 122 Table 5 177 NOT RE...

Page 16: ...lock Data Format 5 138 Table 5 209 WRITE 10 Command Field Descriptions 5 138 Table 5 210 WRITE AND VERIFY Command Descriptor Block Data Format 5 139 Table 5 211 WRITE AND VERIFY Command Field Descript...

Page 17: ...disk drive purchase and configuration decisions and system integrators that are responsible for the SCSI interface This manual is not intended for end users and is not a users manual or an installati...

Page 18: ...ECC error correcting code Kfci thousands of flux changes per inch Gbit gigabit GB gigabyte Hz hertz KB kilobytes LSB least significant bit LVDS low voltage differential SCSI mA milliamperes MB megaby...

Page 19: ...ation is given in 9 point subscript form An example is 30H Signal Negation A signal that is non active or is in its non asserted state Messages A message that is sent from the drive to the host is lis...

Page 20: ...llowing SCSI configurations Ultra320 SCSI Ultra2 Ultra SCSI 68 pin Wide 16 bit Ultra320 SCSI Ultra2 Ultra SCSI 80 pin SCA 2 16 bit The Maxtor Atlas 10K V hard disk drives feature an embedded SCSI driv...

Page 21: ...ith Reordering ECC on the fly Highly automated SCSI protocol including Auto Read Write 1 1 interleave on read write operations High performance Ultra320 SCSI interface SCSI 2 and SCSI 3 supported Ultr...

Page 22: ...AIP SCSI Bus Fairness Flow Control Reliability Automatic retry on read errors 360 bit interleaved Reed Solomon Error Correcting Code ECC with cross checking correction up to three separate bursts of 3...

Page 23: ...tor s disk drive products conform to the following specifically marked Product Safety Standards Underwriters Laboratories UL Standard 1950 3rd Edition This certificate is category UL recognized pertai...

Page 24: ...MIC Mark Korea is a Certificate of registration for SCSI disk drives Maxtor s disk drives are designed as a separate subassembly that conforms to the FCC Rules for Radiated and Conducted emissions Par...

Page 25: ...damage to the drive Unplug the unit containing the drive to provide an added measure of safety Read understand and observe all label warnings 3 1 2 Handling Damage to the drive can occur as the resul...

Page 26: ...mize the possibility of ESD related damage to the drive we strongly recommend using both a properly installed workstation anti static mat and a properly installed ESD wrist strap When correctly instal...

Page 27: ...K V hard disk drive is shipped without a faceplate and comes in the following SCSI interface configurations 68 pin Wide SCSI 80 pin SCA 2 SCSI Figure 3 1 Shows The Mechanical Dimensions of the drives...

Page 28: ...ace the drive should be supported in the middle between the shock feet Note To provide optimal protection the shock feet are designed to ex ceed the form factor when uncompressed 3 3 UNPACKING INSTRUC...

Page 29: ...las 10K V 3 5 Figure 3 2 shows the packing assembly for a single Maxtor Atlas 10K V hard disk drive Shipping containers for 25 pack are available for multiple drive shipments Figure 3 2 Drive Packing...

Page 30: ...on Maxtor Atlas 10K V disks with 68 pin SCSI interface connectors The following features are jumper selectable SCSI ID 0 1 2 3 SCSI Bus Device Identification Delay Spin Single Ended Disable LVD Busy...

Page 31: ...Maxtor Atlas 10K V 3 7 Figure 3 3 Jumper Locations on the 68 Pin Wide SCSI Drive PCB 4 Pin Power Connector 68 pin SCSI Connector 12 Pin Option Connector...

Page 32: ...and 2 respectively are active LOW signals That is the bit is a 1 if the corresponding remote switch is closed to ground or jumper installed Use pins 1 3 5 and 7 as the associated ground returns for I...

Page 33: ...n on the J3 Option Header 3 4 2 3 Single Ended Operation Force SE Disable LVD Install a jumper across pin pair 17 18 SE on the J3 Option Header to operate the disk drive as a single ended device Remov...

Page 34: ...rates the layout of the pins Note The SCA 2 Connector version of the disk drives does not provide the following jumper configuration TERMPWR Active Termina tion or Write Protection 3 4 3 1 Termination...

Page 35: ...rough 15 Configure the SCSI ID by providing the proper open or ground signal inputs to the referenced pins of the drive s 80 pin new version SCA 2 connector Figure 3 4 Refer to Table 3 2 for SCSI ID p...

Page 36: ...er specified multiplier multiplied by the numerical SCSI ID of the drive This will give a staggered spin up in multiple drive installations Option 3 Drive spin up is controlled by the START STOP UNIT...

Page 37: ...SI operation To use this output connect a user supplied LED cathode to the BUSY_OUT connection pin 77 on the SCA Connector Figure 3 4 The LED anode must be attached to the proper 5 VDC supply through...

Page 38: ...Atlas 10K V 3 5 INTERFACE CONNECTOR J1 The configuration of J1 is different for the 68 pin and 80 pin SCSI variations Figure 3 5 shows the various connector styles Figure 3 5 J1 Interface Connector Co...

Page 39: ...Maxtor Atlas 10K V 3 15...

Page 40: ...DB 12 1 1 2 35 DB 12 DB 13 2 3 4 36 DB 13 DB 14 3 5 6 37 DB 14 DB 15 4 7 8 38 DB 15 DB P1 5 9 10 39 DB P1 DB 0 6 11 12 40 DB 0 DB 1 7 13 14 41 DB 1 DB 2 8 15 16 42 DB 2 DB 3 9 17 18 43 DB 3 DB 4 10 1...

Page 41: ...LICABLE 12V GROUND 41 12V 2 12V GROUND 42 12V 3 12V GROUND 43 12 V 4 MATED 1 44 OPT 3 3 VOLTS 5 OPT 3 3V CHARGE 45 OPT 3 3 VOLTS 6 DIFFSNS 46 DB 11 7 DB 11 47 DB 10 8 DB 10 48 DB 9 9 DB 9 49 DB 8 10 D...

Page 42: ...0 Series I part number 787311 2 Vertical receptacle BERG part number 71780 001 DB 2 26 NOT APPLICABLE DB 2 66 DB 1 27 DB 1 67 DB 0 28 DB 0 68 DB P1 29 DB P1 69 DB 15 30 DB 15 70 DB 14 31 DB 14 71 DB 1...

Page 43: ...UND 3 5 6 37 DB 14 GROUND 4 7 8 38 DB 15 GROUND 5 9 10 39 DB P1 GROUND 6 11 12 40 DB 0 GROUND 7 13 14 41 DB 1 GROUND 8 15 16 42 DB 2 GROUND 9 17 18 43 DB 3 GROUND 10 19 20 44 DB 4 GROUND 11 21 22 45 D...

Page 44: ...48 DB 9 9 GROUND 49 DB 8 10 GROUND 50 I O 11 GROUND 51 REQ 12 GROUND 52 C D 13 GROUND 53 SEL 14 GROUND 54 MSG 15 GROUND 55 RST 16 GROUND 56 ACK 17 GROUND 57 BSY 18 GROUND 58 ATN 19 GROUND 59 DB P0 20...

Page 45: ...oles on the Maxtor Atlas 10K V hard disk drive allow the drive to be mounted in any orientation Figure 3 6 shows the location of the three mounting holes on each side of the drive The drives also can...

Page 46: ...ted stress on the PCBA Clearance from the drive to any other surface except mounting surfaces must be a minimum of 1 25 mm 0 05 inches Figure 3 7 Mounting Screw Clearance for Maxtor Atlas 10K V Drive...

Page 47: ...errors 3 6 4 Ventilation The Maxtor Atlas 10K V hard disk drive may operate with or without a cooling fan provided that the maximum HDA temperature as measured on the drives s top cover does not exce...

Page 48: ...3 24 Maxtor Atlas 10K V Figure 3 9 Crosswise Airflow Cooling Below Unit Above Unit...

Page 49: ...147J0 8D147L0 8J147J0 8J147L0 8D300J0 8D300L0 8J300J0 8J300L0 Formatted Capacity 73 5 GB 147 1 GB 300 GB Nominal rotational speed rpm 10 000 10 000 10 000 Number of Disks 1 2 4 Number of R W heads 2 4...

Page 50: ...rite Random4 Average Seek Read 4 0 ms typical 4 2 ms typical 4 4 ms typical Random4 Average Seek Write 4 5 ms typical 4 7 ms typical 4 9 ms typical Full Stroke5 Seek Read 11 0 ms typical 11 0 ms typic...

Page 51: ...linder 0 to maximum cylinder or vice versa It may include one head switch 6 SCSI Hard Reset time is the time from Reset to Selection 7 At power on start up error algorithms are used These recovery rou...

Page 52: ...ogical sector on the next track of the same cylinder 3 Sequential Cylinder Switch Time is the time from the conclusion of the last sector of a cylinder to the first logical sector on the next cylinder...

Page 53: ...rive can withstand transient voltages of 10 to 10 from nominal while powering up or down 4 5 2 Power Reset Limits When powering up the drive remains reset inactive until both rising Voltage thresholds...

Page 54: ...cuting any commands A portion of the R W circuitry is powered down the motor is up to speed and the Drive Ready condition exists 3 Max Workload Maximum workload is defined as a random read write profi...

Page 55: ...t in the manufacturer s defined nominal position The unit under test should be supported so that its bottom surface in the test orientation is less than or equal to 6 centimeters from the chamber floo...

Page 56: ...7 summarizes the environmental specifications of the Maxtor Atlas 10K V hard disk drive Table 4 7 Environmental Specifications 1 No condensation 2 Altitude is relative to sea level 1 000 feet 305 mete...

Page 57: ...n a drive has been subjected to specified non operating levels of shock and vibration with power to the drive off there will be no change in performance at power on When packed in its 1 pack shipping...

Page 58: ...the fly are not considered recovered read errors Read on arrival is disabled to meet this specification 2 Uncorrectable read errors are those that are not correctable using an Error Correcting Code E...

Page 59: ...processed when received by the drive In most cases these commands do not require drive resources do not change the state of the drive and bypass the command queue unless the command is tagged Sequenti...

Page 60: ...REPORT LUNS A0h Sequential REPORT DEVICE IDENTIFIER A3h Sequential REQUEST SENSE 03h Immediate RESERVE 16h Sequential RESERVE 10 56h Sequential REZERO UNIT 01h Sequential SEEK 6 0Bh Sequential SEEK 10...

Page 61: ...are supported as are third party reservations Extent reservations are not supported 3 The RECEIVE DIAGNOSTIC RESULTS and SEND DIAGNOSTIC DATA commands implement vendor unique pages to test the drive d...

Page 62: ...Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code 1 Reserved MSB Logical Block Address LBA 2 3 Logical Block Address LBA 4 Transfer Length Parameter List Length or Allocation Length 5 Control Field Descriptio...

Page 63: ...f 0 indicates that 256 sectors are to be sent Transfer length values of 1 through 255 indicate the number of sectors to be transferred Commands that use multiple bytes for the transfer length value fu...

Page 64: ...nk bit is one and the flag bit is zero and the command completes successfully the drive will continue the task and return a status of INTERMEDIATE and a service response of Linked Command Complete If...

Page 65: ...The initiator can retry the command at a later time This status is returned when A non tagged command is received and the logical unit s com mand queue is full all internal command buffers are in use...

Page 66: ...TERMEDIATE status followed by a LINKED COMMAND COMPLETE WITH FLAG message The drive then switches the bus to the command phase in order to receive the next command in the linked chain All commands in...

Page 67: ...th information is communicated during the DATA phase For example a FORMAT UNIT Defect List Header contains a Defect List Length field that contains the total length of the Defect Descriptors that foll...

Page 68: ...nostic Page RELEASE 0 REPORT DEVICE IDENTIFIER REQUEST SENSE Allocation Sense Data 18 RESERVE 0 Extent List Option not supported REZERO UNIT 0 Command Length in CDB Data Out To Drive Data In To Initia...

Page 69: ...ated throughout the descriptions These fields include Reserved Reserved bits fields bytes and code values are set aside for future standardization and must be set to 0 If the drive receives a command...

Page 70: ...0 Operation Code 40h 1 Reserved 2 Reserved Save 3 Rsv d New Operating Definition 0 1 2 3 4 5 and 6 are legal values for Parallel SCSI Disk Drives 4 7 Reserved 8 Parameter Data Length 9 Control Field D...

Page 71: ...e Immed bit that can be included in the FORMAT UNIT command parameter list allows the initiator to control whether the drive returns completion status either after fetching and validating the Command...

Page 72: ...the data out buffer transfer does not occur CmpLst Complete List When the Complete List value is 1 the drive deletes its current Grown Defect List and starts a new one containing the Logical Block Num...

Page 73: ...Table 5 14 FORMAT UNIT Parameter List Data Format FmtDat CmpLst Defect List Length Contents of Grown Defect List after FORMAT UNIT Command Execution 0 0 N A All sectors found to be bad but not listed...

Page 74: ...hat an initialization pattern descriptor Table 5 17 is included in the FORMAT UNIT parameter list immediately following the Defect List Header An Initialization Pattern bit of 0 indicates that an init...

Page 75: ...east significant part of the address A value of FFFFFFFFh in bytes 4 to 7 is ignored Table 5 18 FORMAT UNIT Defect Descriptor Physical Sector and Bytes From Index Format 5 8 2 4 FORMAT UNIT Initializa...

Page 76: ...es the command with a CHECK CONDITION status The Sense Key is set to ILLEGAL REQUEST and the Additional Sense Code is set to INVALID FIELD IN PARAMETER LIST Name Description IP Modifier The Initializa...

Page 77: ...age Code or Operation Code 3 Reserved 4 Allocation Length 5 Control Field Description CmdDt Command Support Data If CmdDt 0 and EVPD see below 0 the drive returns the Standard Inquiry Data If CmdDt 1...

Page 78: ...Device 1 RMB 0 Device Type Modifier 0 2 ISO Version 0 ECMA Version 0 ANSI Version 3 SCSI 3 3 AERC TrmTsk Norm ACA Rsv d Response Data Format 2 4 Additional Length 5Bh 5 Reserved 6 Rsv d Rsv d Port Mu...

Page 79: ...hronous Data Transfers Linked 1 Linked Commands are supported CmdQue 1 The drive supports Tagged Command Queuing SftRe 0 The drive implements the hard reset option in response to assertion of the SCSI...

Page 80: ...umber Table 5 28 and the HDA Serial Number Table 5 29 Table 5 28 Unit Serial Number Page Data Format Table 5 29 Unit Serial Number Page Field Descriptions Bit Byte 7 6 5 4 3 2 1 0 0 Peripheral Qualifi...

Page 81: ...0 Direct Access Device 1 Page Code 81h 2 Reserved 3 Page Length 07h 4 Rsvd Current Definition 5 SavImp 1 Default Definition is SCSI 2 U160 04h 6 SavImp 1 Supported 1 Definition is SCSI 3 U320 06h 7 S...

Page 82: ...e logical unit Table 5 33 and Table 5 34 Table 5 33 Device Identification Page Data Format Bit Byte 7 6 5 4 3 2 1 0 0 Peripheral Qualifier 0 Peripheral Device Type 0 Direct Access Device 1 Page Code 8...

Page 83: ...ue Description 0h The Identifier field is associated with the addressed physical or logical device 1h The identifier field is associated with the port that received the request 2h 3h Reserved Identifi...

Page 84: ...t currently avail able In this case all data after Byte 1 is undefined 001b The device does not support the SCSI operation code requested In this case all data after Byte 1 is undefined 010b Reserved...

Page 85: ...RESERVE 6 03 01 06 16FEFFFFFF03 17h RELEASE 6 03 01 06 17FEFF000003 1Ah MODE SENSE 6 03 01 06 1AE8FF00FF03 1Bh START STOP UNIT 03 01 06 1BE100000103 1Ch REC DIAG RESULTS 03 01 06 1CE1FFFFFF03 1Dh END...

Page 86: ...03 55h MODE SELECT 10 03 01 0A 55100000000000FFF F03 56h RESERVE 10 03 03 0A 5610FFFF000000FF FF03 57h RELEASE 10 03 03 0A 5710FFFF000000FF FF03 5Ah MODE SENSE 10 03 01 0A 5AE8FF00000000FF FF03 5Eh PE...

Page 87: ...ble 5 39 respectively Table 5 38 LOG SELECT Command Descriptor Block Data Format Table 5 39 LOG SELECT Command Descriptor Block Field Descriptions Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code 4Ch 1 Reser...

Page 88: ...e the stored log data The LOG SENSE command is a complementary command to the LOG SELECT command Table Table 5 40 lists the log pages supported by the drive Contact your Maxtor Applications Engineer f...

Page 89: ...urned to the initiator SP The Save Pages bit specifies whether the parameters are to be saved This bit must be 0 indicating that no parameters are to be saved and are reset at power on or by a TARGET...

Page 90: ...Format Bit Byte 7 6 5 4 3 2 1 0 0 Reserved Page Code 1 Reserved 2 3 Page Length n 3 4 to x 3 Log Parameter first length x 1 n y 1 to n Log Parameter last length y 1 Field Description Page Code The pag...

Page 91: ...S Disable Save This parameter is 1 when parameters are not saved by the drive TSD Target Save Disable This parameter is 0 indicating that the drive provides a target spe cific way of saving parameters...

Page 92: ...should first use a MODE SENSE command to read the appropriate pages and leave non changeable values as read when the initiator subsequently writes the changeable pages with the MODE SELECT command If...

Page 93: ...rocedures for the VERIFY command 12 08h1 Caching Page Cache policy 20 0Ah1 Control Mode Page Command processing policy 12 0Ch Notch and Partition Page Drive geometry reporting 24 19h Port Control Page...

Page 94: ...not support this option The current mode page set contains the values supplied in the last MODE SELECT command re ceived from an initiator If no initiator has sent a MODE SELECT command since the driv...

Page 95: ...ator to set the drive s Logical Block Size and number of Logical Block Addresses see Ta ble 5 55 and Table 5 56 Page s The page code s of the pages that are a part of this command Bit Byte 7 6 5 4 3 2...

Page 96: ...les hard resets logical unit resets and I_T nexus losses If the number of blocks field is set to a value greater than the maximum capacity of the device and less than FFFF FFFFh then the command is te...

Page 97: ...y Page Page 1 Field Default Value Description PS 1 Parameters Savable This bit is only used with the MODE SENSE com mand A returned value of 1 indicates that the target is capable of sav ing the page...

Page 98: ...e fully recovered is not returned to the initiator RC 0 Read Continuous When the value is 0 the drive attempts error recovery when it encounters an error When the value is 1 the drive suppresses error...

Page 99: ...he maximum time in milliseconds that a retry is attempted on a failed sector dur ing a read or write operation When the value is 0 it means that there is no time limit The minimum permissible value ho...

Page 100: ...er Empty Ratio indicates how full the buffer should be prior to requesting an interconnect tenancy Applies to READ operations only The default of 0 indi cates to the drive that it should use its defau...

Page 101: ...l error free command is received Disconnect Immediate does not apply in exception conditions for example SDTR received error etc DTDC Data Transfer Disconnect Control This field of three bits defines...

Page 102: ...of a VERIFY operation When set to the default value of 0 the ECC cor rection is always applied as a means of recovering erred data Verify Retry Count 4 The Verify Retry Count specifies the number of...

Page 103: ...ilable for the pre fetch A DISC bit set to zero specifies that pre fetches be truncated or wrapped at time discontinuities ignored by drive Size 0 Specifies which of two fields are used to configure t...

Page 104: ...s the desired amount of total number of sectors to be pre fetched surrounding the requested data Maximum Pre fetch Ceiling 0x200 Specifies an upper limit on the number of logical blocks computed as th...

Page 105: ...returned only if the device operating definition is SCSI 3 4 EECA RAC Reserved SWP RAERP UAAER P EAERP 5 Reserved 6 7 Ready AEN Holdoff Period 8 9 Busy Timeout Period 10 MSB Extended Selftest Completi...

Page 106: ...Re ordering Allowed specifies that the drive can re order the actual execution sequence of the commands with a SIMPLE in any manner Any data integrity exposures related to command sequence order are e...

Page 107: ...49 NOTES If the Queue Algorithm Modifier specifies restricted re ordering 0000b commands are not allowed to execute concurrently If this field specifies unrestricted re ordering 0001b concurrent I O...

Page 108: ...h notch must span a set of consecutive logical blocks in the logical unit the notches must not overlay and no logical blocks can be excluded from the notches The data format and field descriptions are...

Page 109: ...tch must be 0 and 24 An active notch of 0 indicates that this and subsequent MODE SELECT and MODE SENSE commands refer to the parameters that apply across all notches Starting Boundary This field indi...

Page 110: ...Commands 2 standard for other port control page protocol identifiers The Synchronous Transfer Timeout field indicates the maximum amount of time in 1 millisecond increments that the target will wait...

Page 111: ...IELD IN PARAMETER LIST The Page Length field specifies the length in bytes of the subpage protocol specific mode page parameters after the Page Length field The Protocol Identifier field of 1h indicat...

Page 112: ...ld Description Driver Strength The DRIVER STRENGTH field indicates the relative amount of driver source cur rently used by the driver The Driver Strength field affects both the strong and week drivers...

Page 113: ...river amplitudes when precompensation is enabled A larger value indicates a larger difference between the weak and strong amplitudes The Driver Asymmetry field indicates the relative difference betwee...

Page 114: ...d in Table 5 76 however the content of the fields is vendor specific Only values for the current I_T nexus are reported Table 5 76 Saved Training Configuration Subpage 02h Bit Byte 7 6 5 4 3 2 1 0 0 M...

Page 115: ...offset for the current I_T nexus The Transfer Width Exponent field indicates the negotiated transfer width exponent for the current I_T nexus The Protocol Options Bits field contain the negotiated pro...

Page 116: ...OMP_EN bit contains the value of the PCOMP_EN bit sent by the target for the current I_T nexus The RECEIVED PCOMP_EN bit contains the value of the PCOMP_EN bit received by the target for the current I...

Page 117: ...ield shall be set to the smallest value of the transfer period factor Maximum Req ack Offset The MAXIMUM REQ ACK OFFSET shall be set to the largest value of the REQ ACK offset Maximum Transfer Width E...

Page 118: ...ception conditions occur as the result of vendor specific events within a disk drive An informational exception condition may occur asynchronous to any commands issued by an application client The dat...

Page 119: ...d of Reporting Informational Exceptions The value within this field indicates the method that will be used by the disk drive to report informational exception conditions as shown in Table 5 84 The rel...

Page 120: ...the cause of the informational exception condition The command that has the CHECK CONDITION will complete before and informational exception condition is reported 4h Unconditionally Generate Recovere...

Page 121: ...and Table 5 87 for the Mode Parameter Block Descriptor Data Format See Table 5 48 for mode parameter block field descriptions Table 5 85 MODE SELECT 10 Command Descriptor Block Data Format Table 5 86...

Page 122: ...ch the density code and block length fields apply A value of 0 in this field indicates that all of the remaining logical blocks on the disk have the medium characteristics specified Density Code The D...

Page 123: ...scriptor When the value is 0 the drive returns its Block Descriptor followed by the requested page s When the value is 1 the drive returns only the re quested pages PC Page Control Determines which ty...

Page 124: ...ght 8 Number of Blocks The value in this field specifies the number of logical blocks on the unit that are affected by the current MODE SELECT command When this field 0 the MODE SELECT parameters are...

Page 125: ...Maxtor Atlas 10K V 5 67 21 23 Reserved...

Page 126: ...sectors per track The value depends on the Notch value selected in the Notch and Partitions page Data Bytes Physical Sector This value is the current disk sector size Interleave The drive does not su...

Page 127: ...7 respectively Table 5 96 Rigid Disk Geometry Page Page 4 Bit Byte 7 6 5 4 3 2 1 0 0 PS Rsvd Page Code 04h 1 Page Length 16h 2 4 Number of Cylinders 5 Number of Heads 6 8 Starting Cylinder Write Preco...

Page 128: ...or actuators Not applicable Landing Zone Cylinder This field indicates a two s complement location where the drive positions the disk heads A negative value indicates that the heads are positioned be...

Page 129: ...MODE SENSE 10 Command Descriptor Block Data Format Table 5 99 Mode Parameter Header 10 Byte Data Format Field Descriptions for the Mode Parameter Header are given in the table that follows Table 5 10...

Page 130: ...or is supplied Density Code Ignored by the drive Number of Blocks The value in this field specifies the number of logical blocks on the unit that are affected by the current MODE SELECT command When t...

Page 131: ...RESERVE 6 extent reservations or SCSI Media Changer SMC element reservations active receives a PERSISTENT RESERVATION IN command the PERSISTENT RESERVATION IN command is rejected with a RESERVATION CO...

Page 132: ...ead Keys parameter data A Read Reservation service action requests that the device server return a parameter list that contains a header and a complete list of all persistent reservations that are pre...

Page 133: ...ws the application client that examines the value to verify that the configuration of the initiators attached to a logical unit has not been modified by another application client without any notifica...

Page 134: ...eneration field is set to 0 as part of the power on or reset processes The value in the Generation field allows the application client that examines the value to verify that the configuration of the i...

Page 135: ...f the logical unit defined as an extent or to an element The values for the Scope field are Code Name Description 0h LU Logical Unit Persistent reservation applies to the full logical unit The LU scop...

Page 136: ...ed any initiator may reserve the logical unit extents or elements as long as the persistent reservations do not conflict with any reservations already known to the device server 3h Exclusive Access RE...

Page 137: ...h any reservations already known to the device server 6h Exclusive Access Registrants Only READS Exclusive any command from an initiator that has not previously performed a Register service action wit...

Page 138: ...Y O Y Y Y O Y Y Y O N N N N Y Y Y O Y Y Y O LU WRITE Exclusive EX Y Y Y O Y Y Y O Y Y Y O Y Y Y O Y Y Y O Y Y Y O Y Y Y O LU READ Exclusive EX Y Y Y O Y Y Y O Y Y Y O Y Y Y O Y Y Y O Y Y Y O Y Y Y O...

Page 139: ...TION OUT command to preempt those reservations if necessary Note that since persistent reservations are not reset by the TARGET RESET task management function or other global actions they can be used...

Page 140: ...Extent Persistent reservation applies to the specified extent When Extent is the scope it indicates that the persistent reser vation applies to the extent of the logical unit defined by the Scope Spe...

Page 141: ...et to 0 When a reservation key has not yet been established or when the reservation key has been removed a reservation key of 0 is used when the initiator performs a PERSISTENT RES ERVATION OUT with t...

Page 142: ...ent reservation held by the initiator making the request are not errors An active persistent reservation may also be released by 1 Powering off When the most recent APTPL value received by the device...

Page 143: ...r The persistent reservation thus created by the pre empting initiator is defined by the Scope and Type fields of the PERSISTENT RESERVATION OUT command and the correspond ing fields of the command s...

Page 144: ...ted by the pre empting initiator is defined by the Scope and Type fields of the PERSISTENT RESERVATION OUT command and the correspond ing fields of the command s parameter list The Pre empt Clear serv...

Page 145: ...Allowed any initiator may reserve the logical unit extents or elements as long as the persistent reservations do not conflict with any res ervations already known to the device server 2h READ Exclusi...

Page 146: ...ion client on any initiator may execute commands that perform transfers from the disk to the initiator WRITES Exclusive any command from an initiator that has not previously performed a Register servi...

Page 147: ...Maxtor Atlas 10K V 5 89 22 23 MSB Extent Length LSB...

Page 148: ...gistered keys results in the device server returning a RESERVATION CONFLICT status Scope Specific Address If the Scope is an Extent reservation this field contains the Logical Block Address of the ext...

Page 149: ...d Ignored Reserve LU Valid Ignored Ignored Reserve Extent Valid Ignored Extent Valid Reserved Element Valid Ignored Ignored Release LU Valid Ignored Ignored Release Extent Valid Ignored Extent Valid R...

Page 150: ...READ 6 Command Data Format Table 5 120 READ 6 Command Field Descriptions Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code 08h 1 Reserved Logical Block Address 2 3 Logical Block Address continued 4 Transfer...

Page 151: ...s When the value is 1 the drive assigns to logical blocks accessed by the READ 10 command the lowest priority for being fetched into or retained by the cache FUA Force Unit Access When the value is 0...

Page 152: ...cation work Both the READ BUFFER and the WRITE BUFFER commands have a buffer ID and a buffer offset data field defined in their Control Descriptor Block In the Combined Header and Data Mode if both ar...

Page 153: ...if a Buffer ID of one were specified Buffer Offset When non zero the value of Buffer Offset can range from 0 to one less than the number of sectors track multiplied by 512 This value must be either a...

Page 154: ...eld Description RelAdr Relative Addressing is not supported by the drive the field must be 0 Logical Block Address Used in conjunction with the PMI bit Must be 0 when the PMI bit is 0 PMI Partial Medi...

Page 155: ...he data sent to the host in the command s data in buffer transfer consists of a four byte Defect List header Table 5 132 and Table 5 133 followed by any Defect Descriptors Table 5 130 and Table 5 131...

Page 156: ...e format in which the defect descriptors are to be returned The supported for mats are 000b Block Format Table 5 130 1 100b Bytes from the Index Figure 5 63 The data returned from this mode does not i...

Page 157: ...erved 1 Reserved Plist Glist Defect List Format 2 3 Defect List Length Field Description PList Primary Defect List When the value is 0 the returned data does not include the Primary Defect List When t...

Page 158: ...d in order of occurrence When both PList and GList are set to 1 the Primary Defect List and the Grown Defect List are returned The Plist is returned followed by the Glist the lists are not merged When...

Page 159: ...Defective Bytes From Index Defective Sector Number Bit Byte 7 6 5 4 3 2 1 0 0 Reserved 1 Reserved Plist Glist Defect List Format 2 3 Reserved 4 7 Defect List Length Field Description PList Primary De...

Page 160: ...3Eh 1 Reserved Correct RelAdr 2 5 Logical Block Address 6 Reserved 7 8 Byte Transfer Length 578 9 Control Field Description Correct When the value in this field is 1 the drive corrects the data by the...

Page 161: ...rresponding READ 10 COMMAND This al lows a SEEK to begin immediately The LBA of the following READ 10 command must be the same as the LBA of the READ SKIP MASK command Skip Mask Length This field indi...

Page 162: ...N BLOCKS Defect List Header Data Format Table 5 147 REASSIGN BLOCKS Defect List Header Field Description Table 5 148 REASSIGN BLOCKS Defect Descriptor Data Format The drive returns a CHECK CONDITION s...

Page 163: ...Maxtor Atlas 10K V 5 105 sense data If all defects were reassigned but some other error occurred then FFFFFFFFh is posted in the command specific field...

Page 164: ...response to the next RECEIVE DIAGNOSTICS RESULTS command The page specified in the most recent SEND DIAGNOSTICS command is always the page returned in response to the RECEIVE DIAGNOSTICS RESULTS comma...

Page 165: ...ge allows the initiator to translate a logical sector address physical address or physical bytes for an index address into any one of the other formats The address to be translated is passed to the dr...

Page 166: ...of the following Translate Address field Must be 000b which specifies the LBA format RAREA Reserved Area is not used Must be 0 ALTSEC An Alternate Sector bit of 1 indicates that the translated addres...

Page 167: ...0 Operation Code 17h 1 Reserved 3rdPty Third Party Device ID Extent 2 Reservation Identification 3 4 Reserved 5 Control Field Description 3rdPty Third Party Release allows an initiator to release a lo...

Page 168: ...party release is not requested If 3rdPty 1 then the device server will release the specified logical unit but only if the initiator ID 3rdPty bit and third party device ID are identical when compared...

Page 169: ...ce Action 05h 2 5 Reserved 6 9 MSB Allocation Length LSB 10 Reserved 11 Control Field Description Service Action Must 05h Any other value forces Check Condition Illegal Request Allocation Length If th...

Page 170: ...ndor specific value and is the last value written by a successful SET DEVICE IDENTIFIER command The value of the Identifier is changed only by a successful SET DEVICE IDENTIFIER command The Identifier...

Page 171: ...mber of logical unit numbers reported multiplied by eight If the allocation length in the CDB is too small to allow transfer of information about all of the logical units configured the LUN list lengt...

Page 172: ...ense key of NO SENSE and an additional sense code of NO ADDITIONAL SENSE INFORMATION if it has no sense data available for the initiator For Parallel SCSI disk drives sense data is available if the pr...

Page 173: ...the Allocation Length field in the Command Descriptor Block to 18 to receive all sense data If the Allocation Length is set to 0 four bytes of data will be returned this option maintains compatibilit...

Page 174: ...nd This difference is called the residue 3 A description of each of the drive s supported commands definition for this field is contained in Ta ble 5 171 Additional Sense Length The Additional Sense L...

Page 175: ...AL REQUEST 5h The drive detected an illegal parameter in the Command Descriptor Block or in the ad ditional parameters supplied as data for some commands If the drive detects an invalid parameter in t...

Page 176: ...t descriptor encountered in the Defect Descriptor List SEEK 6 10 ILLEGAL REQUEST The first invalid sector address detected by the command VERIFY RECOVERED MEDIUM ERROR WRITE 6 10 error recovery qualif...

Page 177: ...trip 0x0C 0x00 Recovered write error 0x0C 0x01 Write error recovered with auto reallocation 0x15 0x02 Positioning error detected by read recovered 0x15 0x80 Positioning error detected by read on write...

Page 178: ...ered 0x18 0x00 Recovered data with ECC applied 0x18 0x02 Recovered data data auto reallocated 0x18 0x05 Recovered data recommend reassignment TA err 0x18 0x85 Recovered data thermal asperity error 0x1...

Page 179: ...rive Not Ready NVR is Corrupt 0x40 0x82 Drive Not Ready CP section of EEPROM is Corrupt 0x40 0x83 Drive Not Ready Failed HDA test 0x40 0x84 Drive Not Ready Failed PCB test 0x40 0x85 Drive Not Ready PM...

Page 180: ...ow PLL Error 0x80 0x11 Split SLow PLL Error 0x80 0x12 Block state machine disabled error 0x82 0x20 Spoke to spoke time error 0x04 Hdwe Error 0x02 0x00 No seek complete 0x03 0x00 Write fault 0x06 0x80...

Page 181: ...dead after completing a seek 0x06 0xA1 Successful sync not in the erase band 0x06 0xA2 ID GAMMA projected value out of range 0x06 0xA3 OD GAMMA calibration values out of range 0x06 0xA4 OD GAMMA proje...

Page 182: ...Svo Unknown Wdg Err 2nd 0x09 0xAA Svo Shock detected error 1st 0x09 0xAB Svo Shock detected error 2nd 0x09 0xAC Svo Seek time out 0x09 0xAD Svo Bad measured timing values 0x09 0xAE Svo Not spinning a...

Page 183: ...Maxtor Atlas 10K V 5 125 0x3E 0x03 Logical Unit failed self test 0x3E 0x04 Logical unit log update failure Sense Key Sense Code Sense Qualifier Meaning...

Page 184: ...d did not complete 0x40 0xA5 Read seek failed 0x40 0xA6 Write seek failed 0x40 0xA7 Raw seek failed 0x40 0xA8 Servo Diagnostic Test running 0x40 0xA9 Invalid 97 98 super cmd seq Must send 97 before 98...

Page 185: ...stem failed 0xA0 0x87 Validation of Vector Table failed 0xA0 0x88 Failed to load diskware vector table from filesystem 0xA0 0x89 Servo could not successfully complete pre diskware calibrations 0xA0 0x...

Page 186: ...econds0x04 0xA0 0xA0 Spin time out INIT 0xA0 0x9D Retract timeout 0xA0 0x9E Drive Not Ready CP section of EEPROM is Corrupt 0xA0 0x9F Drive Not Ready PM section of EEPROM is Corrupt 0xA0 0xA0 Spin tim...

Page 187: ...amp count mismatch 0xA0 0xC0 Drive Not Ready NVR G Image copies corrupt 0xA0 0xC1 Drive Not Ready PM section has invalid version id 0xA0 0xC2 Context acquire timeout 0xA0 0xC3 Track acquire timeout 0x...

Page 188: ...e of persistent reservation 0x26 0x80 Invalid Code image checksum failed 0x26 0x81 Incorrect product code loaded 0x26 0x82 Invalid Offset for image 0x26 0x83 Invalid ASIC for this code load 0x26 0x84...

Page 189: ...5 Registration Preempted 0x2f 0x00 Cmd Queue cleared by another initiator 0x3f 0x01 Microcode has been changed 0x3f 0x05 Device Identifier changed 0x5C 0x01 Spindle synced 0x5C 0x02 Spindle not synced...

Page 190: ...CRC error 0x47 0x04 Abort Async Protection error 0x48 0x00 Abort Initiator detected error 0x49 0x00 Aborted with invalid Message 0x4B 0x02 Abort Too much write data received 0x4B 0x03 Abort ACK NAK t...

Page 191: ...Specific Valid C D Command Data When the value in this field is 1 the Field Pointer identifies the first byte in error in the Command Descriptor Block When 0 the Field Pointer identifies the first by...

Page 192: ...5 134 Maxtor Atlas 10K V Field Descriptions Field Description SKSV Sense Key Specific Valid Retry Count The number of times an I O operation was retried...

Page 193: ...e ID field is valid Third Party Device ID Required and used only when the 3rdPty bit is set in which case this field specifies the SCSI ID 0 through 7 only of the initiator to be granted the reservati...

Page 194: ...eserves the reservation until one of the following occurs It is superseded by another valid RESERVE command from the initiator It is released by the same initiator It is released by a TARGET RESET mes...

Page 195: ...able 5 187 RESERVE 10 ID Only Parameter List Data Format Bit Byte 7 6 5 4 3 2 1 0 0 Reserved RelAdr Reservation Type 1 3 MSB Number of Blocks LSB 4 7 MSB Logical Block Address LSB Reservation Type Des...

Page 196: ...d them to a different cylinder If periodic calibrations have been disabled by using the MAN bit byte 3 bit 6 of the Vendor Unique Function Control Page in the MODE SELECT command 15h the REZERO UNIT c...

Page 197: ...at the correct Logical Block Address When the heads are at the specified Logical Block Address they are not guaranteed to stay in that position since periodic calibrations may send them to a different...

Page 198: ...the heads at the correct Logical Block Address When the heads are at the specified Logical Block Address they are not guaranteed to stay in that position since periodic calibrations may send them to...

Page 199: ...self test function codes for example Translate Address page 001b Background short self test The device server will start its short self test routine in the back ground mode 010b Background extended s...

Page 200: ...us is re turned to the initiator if the self test passes CHECK CONDITION status is returned along with any available sense data if the self test fails This field is ignored if the PF bit is 1 DevOnl A...

Page 201: ...rmat Table 5 198 SET DEVICE IDENTIFIER Parameter List Field Descriptions Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code A4h 1 Reserved Service Action 06h 2 5 Reserved 6 9 MSB Parameter List Length LSB 10 R...

Page 202: ...mmand Field Descriptions Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code 1Bh 1 Reserved Immed 2 3 Reserved 4 Power Conditions Reserved LoEj Start 5 Control Field Description Immed Immediate When 1 the drive...

Page 203: ...Format Table 5 202 SYNCHRONIZE CACHE Command Field Descriptions Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code 35h 1 Reserved Immed 0 RelAdr 2 5 Logical Block Address 6 Reserved 7 8 Number of Blocks 9 Cont...

Page 204: ...mmands that is READ WRITE VERIFY etc If the drive is not ready to receive medium access commands it returns CHECK CONDITION status with the appropriate sense keys and qualifiers The data format is des...

Page 205: ...y this command the lowest priority for being fetched into or retained by the cache When DPO 0 the priority will be determined by fields in the Caching page BytChk Byte Check When the value is 1 the dr...

Page 206: ...WRITE 6 Command Field Descriptions Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code 0Ah 1 Reserved Logical Block Address 2 3 Logical Block Address 4 Transfer Length 5 Control Field Description Logical Block...

Page 207: ...the drive tells the controller to cache this WRITE data in a normal man ner NOTE The drive normally assigns a low priority to write caching Therefore the DPO bit in a WRITE command is ignored FUA Forc...

Page 208: ...background copy oper ation and does not want to wipe out the drive s cache When DPO is 0 the drive tells the controller to cache this WRITE data in a normal manner NOTE The drive normally assigns a lo...

Page 209: ...format and field descriptions are shown in Table 5 212 and Table 5 213 respectively Both the READ BUFFER and WRITE BUFFER commands have a Buffer ID and a Buffer Offset data field defined in their Comm...

Page 210: ...ter List Length This value must be a multiple of 512 The maximum value for this field is one more than the number of sectors track times 512 The minimum value is 0 0101b Download Microcode and Save In...

Page 211: ...5 11 and 5 12 Table respectively Bit Byte 7 6 5 4 3 2 1 0 0 Operation Code 3Fh 1 Reserved RelAdr 2 5 Logical Block Address 6 Reserved 7 8 Byte Transfer Length 578 9 Control Field Description RelAdr R...

Page 212: ...Reserved 7 8 Number of Blocks 9 Control Field Description PBdata Physical Block Data Not supported This feild must be zero LBdata Logical Block Data A value of 1 requests that the drive replace the f...

Page 213: ...pability of 256K The mask consists of a sequence of bits where a 1 bit is for the blocks of data to be transferred and a 0 for the blocks of data that are to be skipped The first 1 bit of the mask cor...

Page 214: ...5 156 Maxtor Atlas 10K V...

Page 215: ...igher overall bit densities Self Monitoring Analysis and Reporting Technology S M A R T Revision 2 support Optimized Reordering Command Algorithm and tagged command queuing for greater throughput 8 MB...

Page 216: ...number of separate segments The buffer is also used to combine or coalesce I O data on a track by track basis prior to accessing the disk media Performance is greatly improved by gathering and combin...

Page 217: ...g a DISCONNECT message and enters the BUS FREE phase When the drive is ready to resume data transfer it arbitrates for the SCSI bus and after winning arbitration reconnects to the initiator and sends...

Page 218: ...d with the data and protected by the block ECC for added security On reading or writing the EDC is checked as the data is transferred between buffer RAM and the media or the SCSI bus 6 8 3 Addressing...

Page 219: ...efault condition the drive can accept any of the following Simple specifies that the command is to be placed in the drive s command task set queue If several commands are present the drive may reorder...

Page 220: ...LECTION TIME following power on the disk drive is able to respond with appropriate status and sense data to the TEST UNIT READY INQUIRY and REQUEST SENSE commands 6 12 2 Periodic Self Adjustments Duri...

Page 221: ...ly able to position to the correct track 6 13 2 Data Read Errors Data read errors are recovered if possible by one or more of the following methods Correction of the data on the fly with ECC hardware...

Page 222: ...ngle ended SE devices it automatically switches modes to operate in SE mode at the slower legacy data rates Differential SCSI operation has the advantage of higher reliability of data transfer through...

Page 223: ...Atlas 10K V disk drive are an all LVD or LVD MSE bus in which case it operates in its LVD mode or a bus that contains at least one single ended device in which case the Maxtor Atlas 10K V disk drive...

Page 224: ...REQ and ACK signals to run at half the frequency that would be required under the traditional Single Transition ST SCSI clocking scheme for the same data rate Lower frequency clocks result in a more r...

Page 225: ...ment between them DT devices connect through an ST expander Broken connections It may also detect poor quality cables marginal quality signals and improper termination Domain validation is implemented...

Page 226: ...gotiated data rate of up to 320 megabytes per second A method to transfer packets for a number of I O processes without an intervening physical disconnection A method to minimize overhead by eliminati...

Page 227: ...lly via a low pass filter LVD SCSI devices may require more stringent system design to tolerate transients that occur during Case 4 insertion or removal System integrators should consider the followin...

Page 228: ...tandard No X3 277 1996 Documents 20 Mega transfer second operation Defined active negation SPI 4 Specification Revision 10 Defines LVD signaling Defines Multimode LVD SE transceivers Defined LVD activ...

Page 229: ...ent Terminology Table A 1 contains the SCSI 3 equivalent terms for common terms used in SCSI 2 documents Table A 1 SCSI 2 SCSI 3 Equivalent Terminology SCSI 2 SCSI 3 abort abort task set abort tag abo...

Page 230: ...NT RESERVE OUT 5F READ 6 08 READ 10 28 READ BUFFER 3C READ CAPACITY 25 READ DEFECT DATA 10 37 READ DEFECT DATA 12 B7 READ LONG 3E READ SKIP MASK E8 REASSIGN BLOCKS 07 REBUILD 81 RECEIVE DIAGNOSTIC RES...

Page 231: ...TIATOR DETECTED ERROR 05 LINKED COMMAND COMPLETE 0A LINKED COMMAND COMPLETE w FLAG 0B MESSAGE PARITY ERROR 09 MESSAGE REJECT 07 NO OPERATION 08 ORDERED QUEUE TAG 22 PARALLEL PROTOCOL REQUEST 04 QUICK...

Page 232: ...1 15 55 Saved Training Configuration Values Sub page 19 Sub Page 2 15 55 Negotiated Setting Subpage 19 Sub Page 3 15 55 Report Transfer Capabilities Subpage 19 Sub Page 4 15 55 Read Error Counter 03 4...

Page 233: ...codes Table A 6 SCSI 3 Quick Reference Status Codes Sense Keys Sense Code Hex NO SENSE 0 RECOVERED ERROR 1 NOT READY 2 MEDIUM ERROR 3 HARDWARE ERROR 4 ILLEGAL REQUEST 5 UNIT ATTENTION 6 DATA PROTECT...

Page 234: ...value of PARL 0 Table B 1 Transfer Period Factor Field Values When PARL 1 Code Description 00h 07h Reserved 08h Transfer period 6 25ns Fast160 or U320 is latched every 6 25 ns This code is valid only...

Page 235: ...than or equal to 1020 ns and greater than or equal to 200 ns Code Description 00h 09h Reserved 0Ah Transfer period 25 ns Fast 40 data is latched every 25 ns 0Bh Transfer period 30 ns Fast 40 data is...

Page 236: ...inations are reserved Table B 3 Settings for the QAS DT and IU Fields of the Negotiated Rate Information Page INQUIRY Command QAS DT IU Description 0 0 0 Selects Single Transition phases Use ST DATA I...

Page 237: ...in the form of a sector block or cluster See also allocation unit ALLOCATION UNIT An allocation unit also known as a cluster is a group of sectors on the disk that can be reserved for the use of a par...

Page 238: ...ntary metal oxide semiconductor A low power low heat high density semiconductor COMMAND QUEUE The queue used to store I O processes CONNECT The initiator function that selects a target to establish a...

Page 239: ...he system to continue processing even while new data is being retrieved DOS Disk Operating System The most common operating system used in IBM PCs Manages all access to data on the disk DRIVE Short fo...

Page 240: ...se mechanical designs Also known as fly height FORMAT To write a magnetic track pattern onto a disk surface specifying the locations of the tracks and sectors This information must exist on a disk bef...

Page 241: ...CE A hardware or software protocol contained in the electronics of the disk controller and disk drive that manages the exchange of data between the drive and computer The most common interfaces for sm...

Page 242: ...nown as initialization LOW PROFILE Describes drives built to the 3 1 2 inch form factor which are only 1 inch high The standard form factor drives are 1 625 inches high LPS Low Profile Series LOW VOLT...

Page 243: ...fers to the space required for non data information such as location and timing Disk overhead often accounts for about ten percent of drive capacity Lower disk overhead yields greater disk capacity OV...

Page 244: ...hat allows information to be stored and retrieved by a microprocessor or controller The information may be stored and retrieved in any order and all storage locations are equally accessible RAM DISK A...

Page 245: ...can be read by the read write head On average it is half of the time needed for a full rotation about 8 ms S SCA Single Connector Attachment A drive connector that combines the signal and power conne...

Page 246: ...and used to locate the correct track spoke and head number The quadrature analog signal portion is detected and used by a servo feedback control loop to precisely position the head on the track center...

Page 247: ...rved for positioning information SYNCHRONOUS DATA TRANSFER Data transfer that allows transfer of multiple blocks of data between request or acknowledgment signals since request and acknowledgment sign...

Page 248: ...netic coil causing a proportionate movement of the head Voice coil actuators are more durable than their stepper counterparts since fewer parts are subject to daily stress and wear Voice coil technolo...

Page 249: ...Length 5 11 5 99 5 142 bytes per sector 4 1 C Caching 5 46 5 47 5 138 Caching Page 5 46 5 138 CHANGE DEFINITION Command 5 14 Changeable Pages 5 41 clearance 3 24 Clearing Sense Data 5 108 Command Queu...

Page 250: ...ating Definition 5 25 5 26 Implemented Operating Definition Page 5 25 5 26 Initialization Pattern Descriptor 5 19 input power connections 3 21 inside zone 4 1 interface connector 3 15 Interleave 5 66...

Page 251: ...ter List 5 11 5 12 5 17 5 18 5 37 5 39 5 130 5 141 Parameter List Length 5 37 5 130 5 141 Parameter Pointer 5 34 Parameter Pointer Control 5 34 PCBA 3 24 performance 2 2 Peripheral Device 5 23 Periphe...

Page 252: ...4 sequential throughput 4 2 shipping container 3 4 shock 4 10 Shock Feet 3 4 space requirements 3 3 specifications 4 1 4 10 spindle startup 4 6 Standard Inquiry Data 5 22 5 23 Standard Inquiry Data P...

Page 253: ...n Span 5 46 Verify Error Recovery 5 45 5 46 Verify Error Recovery Page 5 45 Verify Recovery Time Limit 5 46 Verify Retry Count 5 46 versatility 2 3 vibration 4 10 Vital Product Data 5 11 5 21 5 24 5 2...

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