Maxtor 6800 manual 15-8 = PIO data transfer mode

Page 57

INTERFACE COMMANDS

WORD

CONTENT DESCRIPTION

50

Reserved

51

15-8 = PIO data transfer mode

 

7-0 = not used

52

15-8 = DMA data transfer mode

 

7-0 = not used

53

15 = 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

Current capacity in sectors

59

15-9 = reserved

 

8, 1 = multiple sector setting is valid

 

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

 

command

 

 

60 - 61

Total number of user addressable sectors (LBA mode only)

62

Reserved

63

15-8 = Multi-word DMA transfer mode active

 

7-0 = Multi=word DMA transfer modes supported

64

15-8 = reserved

 

7-0 = advanced PIO transfer modes supported

65

Minimum multi-word DMA transfer cycle time (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)

69-79

Reserved

80

15-5 = reserved

 

4, 1 = supports ATA-4

 

3, 1 = supports ATA-3

 

2, 1 = supports ATA-2

 

1, 1 = supports ATA-1

 

0, reserved

81

Minor version number

82

Command set supported. If words 82 and 83 = 0000h or FFFFh command set notification not supported.

 

 

 

15, 1 = supports the Identify Device DMA command

 

14, 1 = supports the NOP command

 

13, 1 = supports the Write Buffer command

 

12, 1 = supports the Read Buffer command

 

11, 1 = supports the Read Buffer command

 

10, 1 = supports Host-Protected Area feature set

 

9, 1 = supports the Device Reset command

 

8, 1 = supports Service Interupt

 

7, 1 = supports Release Interupt

 

6, 1 = supports Look Ahead

 

5, 1 = supports Write Cache

 

4, 1 = supports the Packet command feature set

 

3, 1 = supports the Power Management feature command

 

2, 1 = supports the Removable feature command

 

1, 1 = supports the Security featurecommand

 

0, 1 = supports the SMART feature set

7 – 10

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Contents HA RD Drive Produc T MA Nual DiamondMax U T I O N Before You BeginContents Handling and Installation Product SpecificationsHost Software Interface AT Interface DescriptionInterface Commands Service and SupportGlossary Figures Maxtor Corporation IntroductionManual Organization AbbreviationsConventions Signal ConventionsKey Words NumberingProduct Description DiamondMax 6800 Key FeaturesFunctional / Interface Product FeaturesLogical Block Addressing On-the-Fly Hardware Error Correction Code ECCDefect Management Zone DMZ Software ECC CorrectionCache Management Read-Ahead ModeBuffer Segmentation Automatic Write Reallocation AWRMajor HDA Components Jumper Location/Configuration Subsystem ConfigurationCylinder Limitation Dual Drive SupportDrive Configuration Product SpecificationsPerformance Specifications Models and CapacitiesParameter Standard Metric Physical DimensionsPower Mode Definitions Power RequirementsEPA Energy Star Compliance Environmental LimitsShock and Vibration Reliability SpecificationsSafety Regulatory Compliance Radiated Electromagnetic Field Emissions EMC ComplianceCanadian Emissions Statement Hard Drive Handling Precautions Handling and InstallationPre-formatted Drive Important NoticeMulti-pack Shipping Container Unpacking and InspectionPhysical Installation Recommended Mounting ConfigurationRepacking Tools for Installation Handling PrecautionsSystem Requirements Drive Identification InformationHard Drive Identification General RequirementsInstalling 5.25-inch Mounting Brackets and Rails Systems Using Cable SelectInstalling in a Device Bay Mounting Drive in SystemAttaching System Cables Attaching Interface and Power CablesSystem Setup Setting the Bios CmosBios Cmos Parameters Hard Drive Preparation System Hangs During Boot Interface Connector AT Interface DescriptionPin Description Summary Pin Description Table PIN Name Signal Name Signal DescriptionPIO Timing Timing Parameters ModeDMA Timing Ultra DMA Timing Mode MIN MAXSustained 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 Features Register Error RegisterHost Software Interface Task File RegistersSector Number Register Sector Count RegisterCylinder Number Registers Device/Head RegisterCommand Register Summary Command Name Command Code Parameters Used SDHAlternate Status Register Control Diagnostic RegistersDevice Control Register Digital Input RegisterReset and Interrupt Handling Reset HandlingInterrupt Handling Set Feature Commands Interface CommandsRead Commands Read SectorsRead Verify Sectors Read Multiple Read DMASet Multiple Mode Write CommandsWrite Sectors Write Verify SectorsWrite DMA Write MultipleSet Features Mode Set Feature CommandsPower Mode Commands Sleep Mode Identify Drive Initialization Commands15-8 = PIO data transfer mode = Write Cache enabled Initialize Drive Parameters Seek, Format and Diagnostic Commands Execute Drive DiagnosticFormat Track Execute S.M.A.R.T A.R.T. Command SetService Policy Service and SupportNo Quibble Service SupportMaxFax Service Customer ServiceInternet Glossary Access TimeCylinder Zero Gigabyte GB Logical Block Addressing Read Gate Signal THIN-FILM Media
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