Maxtor 2B015H1, 2B010H1, 2B020H1 manual Or D

Page 51

INTERFACE COMMANDS

-W OR D

CONT ENT DESC RIPTION

 

 

50

Reserved

51 - 52

Obsolete

53

15 -3 = reserved

 

2, 1 = the fields supported in words 88 are valid, 0 = the fields supported in words 88 are not valid

 

1, 1 = the fields reports in words 64- 70 are valid, 0 = the fields reports in words 64-70 are not valid

 

0, 1 = the fields reports in words 54- 58 are valid, 0 = the fields reports in words 54-58 are not valid

54

Number of current logical cylinders

55

Number of current logical heads

56

Number of logical sectors per track

57 - 58

C urrent capacity in sectors

59

15- 9 = reserved

 

8, 1 = multiple sector setting is valid

 

7- 0 xxh = current setting for number of sectors that c anbe transferred per interrupt on Read/Write Multiple

 

command

60 - 61

Total number of user addressable sectors (LBA mode only)

62

obsolete

63

15 -11 = reserved

 

10, 1 = Multi -word D MA mode 2 is selec ted, 0 = Multi -word D MA mode 2 is not selected

 

9,

1 = Multi -word D MA mode 1 is selec ted, 0 = Multi -word D MA mode 1 is not selected

 

8,

1 = Multi -word D MA mode 0 is selec ted, 0 = Multi -word D MA mode 0 is not selected

 

7- 3, = reserved

 

2,

1 = Multi -word D MA mode 2 and below are supported

 

1,

1 = Multi -word D MA mode 1 and below are supported

 

0,

1 = Multi -word D MA mode 0 is supported

 

7-0 = Multi=word DMA transfer modes supported

64

15 -8 = reserved, 7- 0 = advanced PIO transfer modes supported

65

Minimum multi -word D MA transfer cycle time per word (15-0 = cycle time in nanoseconds )

66

Manufacturer's recommeded multi- word DMA transfer cycle time (15-0 = cycle time in nanoseconds )

67

Minimum PIO transfer cycle time without flow control (15 -0 = cycle time in nanoseconds )

68

Minimum PIO transfer cycle time with IORDY flow control (15-0 = cycle time in nanoseconds )

69 -74

reserved

75

Queue depth, 15 -3 = reserved, 4- 0, maximum queue depth - 1

 

 

76- 79

reserved

 

 

80

Major version number

 

15, reserved, 14- 6 = reserved for ATA/ATAPI-14 to ATA/ATAPI-6 respectively

 

5, 1 =

supports ATA/ATAPI-5

 

4, 1 =

supports ATA/ATAPI-4

 

3, 1 = supports ATA-3

 

2, 1 = supports ATA-2

 

1, obsolete

 

0, reserved

81

Minor version number

82

C ommand set supported. If words 82 and 83 = 0000h or FFF Fh c ommand set notific ation not supported.

 

15, obsolete

 

14, 1 = supports the NOP command

 

13, 1 = supports the Read Buffer command

 

12, 1 = supports the Write Buffer command

 

11, obsolete

 

10, 1 = supports Host-Protected Area feature set

 

9, 1 = supports the Device Res et command

 

8, 1 = supports Service Interupt

 

7, 1 = s upports Release Interupt

 

6, 1 = supports Look Ahead

 

5, 1 = s upports Write Cache

 

4, shall be cleared to zero

 

3, 1 = s upports the Power M anagement feature command

 

2, 1 = s upports the Removable Media feature command

 

1, 1 = s upports the SecurityMode feature command

 

0, 1 = supports the SMART feature set

7 – 11

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Page 50 Page 52
Contents Maxtor 541DX Product Manual U T I O N Before You BeginContents Handling and Installation Product SpecificationsInterface Commands AT Interface DescriptionHost Software Interface Glossary Service and SupportFigures Abbreviations IntroductionMaxtorCorporation ManualOrganizationConventions ProductDescription Key FeaturesProduct Features Functional / InterfaceModels CYL SP T MAX LBA Capacity CacheManagement Major HDA Components Cylinder Limitation Jumper Description SubsystemConfigurationJumper Location / Configuration Jumper ConfigurationModels and Capacities ProductSpecificationsDrive Configuration PerformanceSpecificationsParam Eter Valu E Physical DimensionsEnvironmental Limits PowerRequirementsPower Mode Definitions EPA Energy Star ComplianceReliability Specifications Shock and VibrationParam Eter Oper AT ING ON- Oper AT ING EMC/EMI Safety Regulatory ComplianceHandlingandInstallation Hard Drive Handling PrecautionsElectro-Static Discharge ESD Multi-pack Shipping Container Unpacking and InspectionRepacking Physical InstallationHook up Before You BeginStart up Set upPIN IGN AL InterfaceConnectorATInterfaceDescription PinDescriptionSummaryPin Description Table PIN Name Signal Name Signal Desc RiptionPIO Timing IM in G Paramet ERS ModeDMATiming Imin G Paramet ERS ModeMode Ultra DMA TimingSustained Ultra DMA Data In Burst Device Terminating an Ultra DMA Data In Burst Initiating an Ultra DMA Data Out Burst Device Pausing an Ultra DMA Data Out Burst Device Terminating an Ultra DMA Data Out Burst HostSoftwareInterface Task File RegistersPOR T EAD WR ITE Conten TS LBA Bits Seek, Format, and Diagnostic Commands CommandRegisterM M a N D N a M E M M a N D code PA R a M E T E R S U S E D SummaryControl Diagnostic Registers Reset and Interrupt Handling InterfaceCommands ReadCommands Read DMA WriteCommands Write Multiple ModeSet/CheckCommands VAL UE DES C RIP TionEC TOR LE VE L VAL UE Omman D Timer VAL UE TIME-OUT Period PowerModeCommandsSleep Mode Or D ENT Desc Ription InitializationCommandsOr D 15- 10, as c urrently defined Initialize Drive Parameters ER ROR Code Desc Ription Seek,FormatandDiagnosticCommandsKey Register A.R.T. CommandSetProduct Support ServiceandSupportService Policy No Quibble ServiceFrom Dial Glossary Character Correctable errorCentral processing unit CPU ChannelError free Direct accessDirect memory access DMA Error correction code ECCGigabyte GB Hard errorHead disk assembly HDA Frequency responseLogical address Late windowLatency LogicRead gate signal Phase locked loop PLLPhase margin Random access memory RAMSoft error Sector pulse signalSeek complete signal Sequential accessWrite gate signal Strobe offset signalUn-correctable error Unrecoverable error
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