ModeSet/CheckCommands, VAL UE DES C RIP Tion | Maxtor 546106

INTERFACE COMMANDS

ModeSet/CheckCommands

Set Features Mode

Enables or disables features supported by the drive. When the drive receives this command it:

1.Sets BSY,

2.Checks the contents of the Features register,

3.Clears BSY and

4.Generates an interrupt.

If the value of the register is not a feature supported by the drive, the command is aborted. The acceptable values in the Features register are defined as follows:

VAL UE	DES C RIP TION

02h	Enabled Write Cache

03h	Set Transfer Mode based on value in Sector Count register

05h	Enable Advanced Power Management
42h	Enable Automatic Acoustic Management. The sector count register c ontains the
	Automatic Ac ous tic Management level.
	S EC TOR	LE VE L

	F Fh	Maxtor specific

	FEh	Maximum performance
	81h-FD h	Intermediate acoustic management levels

	80h	Minimum acoustic emanation level

	00h- 7Fh	reserved
44h	Length of data appended on Read Long/Write Long commands specified in the
	Identify D evice information
55h	Disable Read Look-ahead feature

66h	Disable reverting to Power-on defaults

82h	D isable Write Cache
85h	Disable Advanced Power Management

AAh	Enable Read Look-ahead feature
BBh	4 bytes of Maxtor specific data appended on Read Long/W rite Long commands

C2h	D isable Automatic Acoustic Management

CC h	Enable reverting to Power- on defaults

7 – 6

Image 47

Maxtor 546106, 51536H2, 52049H3, 53073H4 specifications ModeSet/CheckCommands, VAL UE DES C RIP Tion, Le Ve L

Contents

Corporate Headquarters REV EC N O SEC Tion Desc Ription ATE U T I O N Before You Begin Contents Handling and Installation Product Specifications Host Software Interface Interface CommandsAT Interface Description Glossary Service and Support Figures Abbreviations IntroductionMaxtorCorporation ManualOrganization Conventions Product Description KeyFeatures Model S SP T MAX LB a Apac IT Y Product FeaturesFunctional / Interface CacheManagement MajorHDAComponents CylinderLimitationJumperDescription SubsystemConfigurationJumper Location / Configuration ModelsandCapacities ProductSpecificationsDriveConfiguration PerformanceSpecifications Aram E TE R Stan D ARD ME T RIC PhysicalDimensionsmaximum EnvironmentalLimits PowerRequirementsPowerModeDefinitions EPA Energy Star Compliance Param E TE R OP ER AT ING ON- OPE R AT ING ReliabilitySpecificationsShock and Vibration EMC/EMI SafetyRegulatoryCompliance Electro-StaticDischargeESD HandlingandInstallationHardDriveHandlingPrecautions Multi-pack Shipping Container UnpackingandInspection Repacking PhysicalInstallation Hook up Before You Begin Start up Set up PIN IGN AL InterfaceConnectorATInterfaceDescription PinDescriptionSummary Pin Description Table PIN Name Signal Name Signal Desc Ription PIO Timing IM in G Paramet ERS Mode DMATiming Imin G Paramet ERS Mode Mode Ultra DMA Timing Sustained 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 POR T EAD WR ITE HostSoftwareInterfaceTask File Registers Conten TS LBA Bits CommandRegister M 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 Summary Control Diagnostic Registers Reset and Interrupt Handling InterfaceCommands ReadCommands Read DMA WriteCommands Write Multiple LE VE L ModeSet/CheckCommandsVAL UE DES C RIP Tion VAL UE Omman D Timer VAL UE TIME-OUT Period PowerModeCommands Sleep Mode Or D ENT Desc Ription InitializationCommands Or D 15- 10, as c urrently defined Initialize Drive Parameters ER ROR Code Desc Ription Seek,FormatandDiagnosticCommands Key Register A.R.T. CommandSet Support ServiceandSupportServicePolicy NoQuibbleService From Dial Glossary Accesstime Correctableerror Fetch Landingzoneorlzone Physicalsector Softerror