Non-Data Commands | Samsung spinpoint v40, 3.5 hard disk drives

DISK DRIVE OPERATION

6.6.3Non-Data Commands

This class includes:

•Check Power Mode (98h,E5h)

•Flush Cache (E7h)

•Execute Drive Diagnostic (DRDY=x) (90h)

•Idle (97h,E3h)

•Idle Immediate (95h,E1h)

•Initialize Drive Parameters (DRDY=x) (91h)

•NOP (00h)

•Read Native Max Address (F8h)

•Read Verify Sector(s) (40h)

•Recalibrate (1Xh)

•Seek (7Xh)

•Set Features (EFh)

•Set Max Address (F9h)

•Set Multiple Mode (C6h)

•Sleep (99h,E6h)

•SMART Disable Operation

•SMART Enable/Disable Autosave

•SMART Enable Operation

•SMART Execute Off-line Immediate

•SMART Return Status

•Standby (96h,E2h)

•Standby Immediate (94h,E0h)

Execution of these commands involves no data transfer.

a)The host writes any required parameters to the Features, Sector Count, Sector Number, Cylinder and Drive/Head registers.

b)The host writes the command code to the Command register.

c)The drive sets BSY.

d)When the drive has completed processing, it clears BSY and asserts INTRQ.

e)The host reads the Status register.

f)The drive negates INTRQ.

86	SpinPoint V40 Product Manual

Image 94

Samsung spinpoint v40, 3.5 hard disk drives manual Non-Data Commands

Contents

Spinpoint SpinPoint V40 Product Manual Table of Contents Irmware F Eatures Ervo S Ystem EAD and W Rite O PerationsSmart Protocol Overview Programming RequirementsTiming 107 Maintenance PrecautionsService and Repair General Information Table of Figures Page Manual Organization User DefinitionScope Computer Message Commands and MessagesTerminology and Conventions Format C/S Reference Introduction Key FeaturesDescription Standards and Regulations Hardware Requirements Specification Summary Specifications Physical Specifications Logical Configurations Performance Specifications Power Requirements 28.71 Environmental Specifications SV6003H SV6014H SV8004H Reliability Specifications Mtbf POH Installation Space Requirements Mounting Unpacking InstructionsOrientation 2Mounting Dimensions in Millimeters Clearance 3Mounting-Screw Clearance AT-Bus Interface Connector Cable ConnectorsDC Power Connector Ventilation SpinPoint V40 Product Manual Jumper Block Configurations Options for Jumper Block Configuration Drive Installation 7DC Power Connector and AT-Bus Interface Cable Connections System Startup Procedure Parameter System Setup DC Spindle Motor Assembly Head / Disk Assembly HDABase Casting Assembly Disk Drive Operation Exploded Mechanical View Voice Coil Motor and Actuator Latch Assemblies Disk Stack AssemblyHead Stack Assembly Air Filtration System Drive Electronics Digital Signal Process and Interface ControllerAT Disk Controller 2SID2001 AT Controller Block Diagram Host Interface Control Block Buffer Control Block Disk Control Block SpinPoint V40 Product Manual Disk ECC Control Block Power ManagementRead/Write IC Frequency Synthesizer Asymmetry Correction Circuitry ASC Time Base GeneratorAutomatic Gain Control Analog Anti-Aliasing Low Pass Filter 3Read/Write 88C5200 Read and Write Operations Servo SystemRead Channel Write Channel Firmware FeaturesRead Caching Write Caching Multi-burst ECC Correction Defect ManagementAutomatic Defect Allocation Smart Blank Signal Summary Signal ConventionsPhysical Interface Signal Descriptions Intrq Drive Interrupt DMACK- DMA AcknowledgeDmarq DMA Request IOCS16- Drive 16-bit I/O RESET- Drive Reset PDIAG- Passed DiagnosticsIordy I/O Channel Ready SD3 SD8 SD6 SD9 SD5SD4 SD2 Drive Drive Host DIR Bit Conventions Logical InterfaceGeneral Environment SpinPoint V40 Product Manual Control Block Registers Command Block Registers2 I/O Register Address N N N A a a Drive Address Register 3F7h Control Block Register DescriptionsAlternate Status Register 3F6h Device Control Register 3F6h Error Register 1F1h Command Block Register DescriptionsFeatures Register 1F1h Data Register 1F0h Cylinder High Register 1F5h Command Register 1F7hSector Count Register 1F2h Cylinder Low Register 1F4h Status Register 1F7h BSY Drdy DWF DSC DRQ Corr IDX ERR At Command Register Descriptions Command Parameter Used SpinPoint V40 Product Manual Execute Device Diagnostics 90h Check Power Mode 98h, E5hDownload Micro Code 92h Format Track 50h Flush Cache E7hIdentify Device ECh Word Content Description Xxxx Capabilities Command set supported 95-128 0000h Reserved 129-159 Vendor specific 160-255 Idle Immediate 95h,E1h Idle 97h,E3hInitialize Device Parameters 91h Read Buffer E4h Read Long 22hwith retry, 23h without retry Read Multiple Command C4h Read Native Max Address F8h Read Sectors 20hwith retry, 21hwithout retry Recalibrate 1xh Read Verify Sectors 40hwith retry, 41hwithout retrySeek 7xh Set Features EFh Mode Normal outputs InputsLBA BSY Drdy DRQ ERR Description Set Multiple Mode C6h Sleep 99h, E6h Standby 96h,E2h Smart disable operation D9hSmart B0h Smart enable operations D8h Smart enable/disable attribute autosave D2hSmart execute off-line immediate D4h Smart read data D0h Byte Descriptions Value Definition Off-line data collection capability Smart return status DAh Smart capabilitySmart read log sector D5h Smart save attribution value D3h Write Buffer E8h Standby 96h, E2hStandby Immediate 94h, E0h Write DMA CAh Write Multiple Command C5h Write Sectors 30hwith retry, 31hwithout retry SpinPoint V40 Product Manual Error Posting Reset ResponseProgramming Requirements Command Error Register Status Register BBK Standby mode Power ConditionsSleep mode Idle mode Normal mode PIO Data in Commands Protocol Overview PIO Read Command PIO Data Out CommandsPIO Read Aborted Command BSY=0 DRDY=1 BSY=1 PIO Write CommandPIO Write Aborted Command BSY=0 DRQ=1 BSY=1 DRQ=0 Non-Data Commands DMA Data Transfer Commands BSY=0 BSY=1 Aborted DMA Command Initialize DMA Reset DMA StatusBSY=1 BSY=0 Timing Register transfers DIOR-/DIOW Write PIO timing parameters Mode PIO data transfers Addr valid See note T1 t2 DIOR-/DIOW Multiword DMA data transfer DIOR-/DIOW Multiword DMA timing parameters Mode Ultra DMA data transfer Initiating an Ultra DMA data in burst Ultra DMA data burst timing requirements 19Ultra DMA data burst timing requirements Sustained Ultra DMA data in burst 5Sustained Ultra DMA data in burst Host pausing an Ultra DMA data in burst 6Host pausing an Ultra DMA data in burst Device terminating an Ultra DMA data in burst 7Device terminating an Ultra DMA data in burst 100 Host terminating an Ultra DMA data in burst 8Host terminating an Ultra DMA data in burst Initiating an Ultra DMA data out burst 9Initiating an Ultra DMA data out burst 102 Sustained Ultra DMA data out burst 10Sustained Ultra DMA data out burst Device pausing an Ultra DMA data out burst 11Device pausing an Ultra DMA data out burst 104 Host terminating an Ultra DMA data out burst 12Host terminating an Ultra DMA data out burst Device terminating an Ultra DMA data out burst 13Device terminating an Ultra DMA data out burst 106 Service And Repair Maintenance PrecautionsGeneral Information