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C141-E192-01EN
MHT2080AT, MHT2060AT, MHT2040AT
MHT2030AT, MHT2020AT
DISK DRIVES
PRODUCT MANUAL
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FOR SAFE OPERATION Handling of This Manual This manual contains important information for using this product. Read thoroughly before using the product. Use this product only after thoroughly reading and understanding especially the section “Important Alert Items” in this manual. Keep this manual handy, and keep it carefully. FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property. Use the product according to this manual. IMPOR
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Revision History (1/1) Revised section (*1) Edition Date Details (Added/Deleted/Altered) 01 2003-01-20 *1 Section(s) with asterisk (*) refer to the previous edition when those were deleted. C141-E192-01EN
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Preface This manual describes the MHT Series, 2.5-inch hard disk drives. These drives have a built-in controller that is compatible with the ATA interface. This manual describes the specifications and functions of the drives and explains in detail how to incorporate the drives into user systems. This manual assumes that the reader has a basic knowledge of hard disk drives and their implementations in computer systems. This manual consists of seven chapters and sections explaining the special t
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Preface Conventions for Alert Messages This manual uses the following conventions to show the alert messages. An alert message consists of an alert signal and alert statements. The alert signal consists of an alert symbol and a signal word or just a signal word. The following are the alert signals and their meanings: This indicates a hazardous situation could result in minor or moderate personal injury if the user does not perform the procedure correctly. This alert signal also indicates that
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Preface Attention Please forward any comments you may have regarding this manual. To make this manual easier for users to understand, opinions from readers are needed. Please write your opinions or requests on the Comment at the back of this manual and forward it to the address described in the sheet. Liability Exception “Disk drive defects” refers to defects that involve adjustment, repair, or replacement. Fujitsu is not liable for any other disk drive defects, such as those caused by user mis
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Important Alert Items Important Alert Messages The important alert messages in this manual are as follows: A hazardous situation could result in minor or moderate personal injury if the user does not perform the procedure correctly. Also, damage to the product or other property, may occur if the user does not perform the procedure correctly. Task Alert message Page Normal Operation 3-7 Data corruption: Avoid mounting the disk near strong magnetic sources such as loud speakers. Ensure that the
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Manual Organization MHT2080AT, MHT2060AT, • Device Overview MHT2040AT Device Configuration MHT2030AT, MHT2020AT Installation Conditions Theory of Device Operation DISK DRIVES Interface PRODUCT MANUAL Operations (C141-E192) MHT2080AT, MHT2060AT, Maintenance and Diagnosis MHT2040AT Removal and Replacement Procedure MHT2030AT, MHT2020AT DISK DRIVES MAINTENANCE MANUAL (C141-F063) C141-E192-01EN vii
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Contents Device Overview ................................................................................................ 1-1 1.1 Features................................................................................................... 1-2 1.1.1 Functions and performance................................................................... 1-2 1.1.2 Adaptability .......................................................................................... 1-2 1.1.3 Interface .........................
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Contents CHAPTER 3 Installation Conditions..............................................................3-1 3.1 Dimensions..............................................................................................3-2 3.2 Mounting.................................................................................................3-3 3.3 Cable Connections ..................................................................................3-9 3.3.1 Device connector.....................................
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Contents 4.6.2 Write circuit.......................................................................................... 4-9 4.6.3 Read circuit......................................................................................... 4-11 4.6.4 Digital PLL circuit.............................................................................. 4-12 4.7 Servo Control........................................................................................ 4-13 4.7.1 Servo control circuit ................
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Contents 5.5.3.1 Initiating an Ultra DMA data in burst.............................................5-119 5.5.3.2 The data in transfer .........................................................................5-120 5.5.3.3 Pausing an Ultra DMA data in burst...............................................5-120 5.5.3.4 Terminating an Ultra DMA data in burst........................................5-121 5.5.4 Ultra DMA data out commands ........................................................5-124 5.5.
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Contents 6.2 Power Save.............................................................................................. 6-7 6.2.1 Power save mode .................................................................................. 6-7 6.2.2 Power commands.................................................................................. 6-9 6.3 Defect Processing ................................................................................... 6-9 6.3.1 Spare area....................................
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Contents Illustrations Figures Figure 1.1 Negative voltage at +5 V when power is turned off ..........................1-6 Figure 1.2 Current fluctuation (Typ.) at +5 V when power is turned on ............1-8 Figure 2.1 Disk drive outerview..........................................................................2-2 Figure 2.2 1 drive system configuration..............................................................2-3 Figure 2.3 2 drives configuration ............................................
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Contents Figure 5.3 Read Sector(s) command protocol.................................................5-110 Figure 5.4 Protocol for command abort ..........................................................5-111 Figure 5.5 WRITE SECTOR(S) command protocol.......................................5-113 Figure 5.6 Protocol for the command execution without data transfer...........5-114 Figure 5.7 Normal DMA data transfer ............................................................5-117 Figure 5.8 Ultra D
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Contents Tables Table 1.1 Specifications.....................................................................................1-4 Table 1.2 Model names and product numbers ...................................................1-5 Table 1.3 Current and power dissipation ...........................................................1-7 Table 1.4 Environmental specifications.............................................................1-8 Table 1.5 Acoustic noise specification .............................
