Page 3 - Spinpoint M8U-Internal Product Manual REV 3.4; TABLE OF CONTENTS; CHAPTER 1
5.2.3.1 5.2.3.2 5.2.3.3 5.2.3.4 5.2.3.5 Time Base Generator..................................................................................................................... 26 Automatic Gain Control ....................................................................................................
Page 4 - CHAPTER 6
Spinpoint M8U-Internal Product Manual REV 3.4 iii 5.3 S ERVO S YSTEM ................................................................................................................................28 5.4 R EAD AND W RITE O PERATIONS ......................................................................
Page 6 - UFI C
Spinpoint M8U-Internal Product Manual REV 3.4 v 6.4.4.3 V ALID AND M EANINGFUL CSW ........................................................................................................92 6.4.4.4 D EVICE E RROR H ANDLING ................................................................................
Page 7 - TABLE OF TABLES
Spinpoint M8U-Internal Product Manual REV 3.4 vi TABLE OF TABLES Table 3-1 : Specifications............................................................................................................................................ 6 Table 3-2 : Physical Specifications .................................
Page 8 - TABLE OF FIGURES
Spinpoint M8U-Internal Product Manual REV 3.4 vii TABLE OF FIGURES Figure 3-1 : Measurement Position ........................................................................................................................... 11 Figure 4-1 : Mechanical Dimension .........................................
Page 9 - CHAPTER 1 SCOPE; User Definition
SCOPE Spinpoint M8U-Internal Product Manual REV 3.4 1 CHAPTER 1 SCOPE Welcome to the Spinpoint TM M8U-Internal series of Samsung TM hard disk drive. This series of drives consists of the following models: ST320LM008, ST500LM016, ST750LM024, and T1000LM026. This chapter provides an overview of the co...
Page 11 - CHAPTER 2 DESCRIPTION; Introduction
Spinpoint M8U-Internal Product Manual REV 3.4 3 DESCRIPTION CHAPTER 2 DESCRIPTION This chapter summarizes general functions and key features of the Spinpoint M8U hard disk drive, as well as the standards and regulations they meet. 2.1 Introduction The Samsung Spinpoint M8U 2.5 inch hard disk drive i...
Page 12 - Key Features
Spinpoint M8U-Internal Product Manual REV 3.4 4 DESCRIPTION 2.2 Key Features Key features of the Spinpoint M8U hard disk drive includes: • Formatted capacities are 320, 500, 750 GB, 1TB • 9.5 ± 0.2 mm height form factor • 5400 RPM Class • 12 ms average seek time • High accuracy rotary voice coil act...
Page 13 - Standards and Regulations; Hardware Requirements
Spinpoint M8U-Internal Product Manual REV 3.4 5 DESCRIPTION 2.3 Standards and Regulations The Samsung Spinpoint M8U / Seagate® Momentus® hard disk drive depends upon its host equipment to provide power and appropriate environmental conditions to achieve optimum performance and compliance with applic...
Page 14 - CHAPTER 3 SPECIFICATIONS; Specification Summary
Spinpoint M8U-Internal Product Manual REV 3.4 6 SPECIFICATIONS CHAPTER 3 SPECIFICATIONS This chapter gives a detail description of the physical, electrical and environmental characteristics of the Spinpoint M8U hard disk drive. 3.1 Specification Summary Table 3-1: Specifications DESCRIPTION ST320LM0...
Page 15 - Physical Specifications; Physical dimensions; Logical Configurations
Spinpoint M8U-Internal Product Manual REV 3.4 7 SPECIFICATIONS 3.2 Physical Specifications Table 3-2: Physical Specifications DESCRIPTION ST320LM008 ST500LM016 ST750LM024 ST1000LM026 Physical dimensions Length (mm) Width (mm) Height (mm) Weight (g, max) 104 69.85 9.5 1 Disk 99 / 2 Disk 107 3.3 Logic...
Page 16 - Performance Specifications; Average Latency; Rotational Speed
Spinpoint M8U-Internal Product Manual REV 3.4 8 SPECIFICATIONS 3.4 Performance Specifications Table 3-4: Performance Specifications DESCRIPTION ST320LM008 ST500LM016 ST750LM024 ST1000LM026 Average Latency 5.6 ms Data Transfer Rate (Max) buffer to/from media host to/from buffer 145MB/s 500 MB/s Rotat...
Page 17 - Power consumption; Rated
Spinpoint M8U-Internal Product Manual REV 3.4 9 SPECIFICATIONS 3.5 Power consumption Table 3-5: Power consumption DESCRIPTION ST320LM008 ST500LM016 ST750LM024 ST1000LM026 Rated Voltage V +5 Current A 0.85 Power Consumption Spin-Up (Max) mA 750.00 Idle Watt 1.8 Seq W/R (File) Watt 3.2 Random Seek Wat...
Page 18 - Environmental Specifications; Table 3-6: Environmental Specifications; Ambient Temperature; Relative Humidity; Maximum wet bulb temperature; Vibration
Spinpoint M8U-Internal Product Manual REV 3.4 10 SPECIFICATIONS 3.6 Environmental Specifications Table 3-6: Environmental Specifications DESCRIPTION ST320LM008 ST500LM016 ST750LM024 ST1000LM026 Ambient Temperature Operating Non-operating Max. gradient (Temperature/Humidity) (Drive temperature measur...
Page 20 - Rotational Shock; Reliability Specifications
Spinpoint M8U-Internal Product Manual REV 3.4 12 SPECIFICATIONS Table 3-6: Environmental Specifications (continued) DESCRIPTION ST320LM008 ST500LM016 ST750LM024 ST1000LM026 Linear Shock (1/2 sine pulse) Operating 2.0 ms Non-operating 2.0 ms Rotational Shock Operating 2.0 ms Non-operating 2.0 ms 325G...
Page 21 - CHAPTER 4 INSTALLATION; Space Requirements
Spinpoint M8U-Internal Product Manual REV 3.4 13 INSTALLATION CHAPTER 4 INSTALLATION This chapter describes how to unpack, mount, configure and connect a Spinpoint M8U hard disk drive. It also describes how to install the drive in systems. 4.1 Space Requirements Figure 4-1 shows the external dimensi...
Page 22 - Unpacking Instructions; Mounting
Spinpoint M8U-Internal Product Manual REV 3.4 14 INSTALLATION 4.2 Unpacking Instructions (1) Open the shipping container of the Spinpoint M8U hard disk drive. (2) Lift the packing assembly that contains the drive out of the shipping container. (3) Remove the drive from the packing assembly. When you...
Page 24 - Cable Connectors; Figure 4-3 USB connector type
Spinpoint M8U-Internal Product Manual REV 3.4 16 INSTALLATION 4.4 Cable Connectors 4.4.1 USB Connectivity The USB interface is connected with in a point to point configuration with the USB host port. There is no master or slave relationship within the devices. Spinpoint M8U does not require extra po...
Page 26 - Figure 4-4 USB Interface
Spinpoint M8U-Internal Product Manual REV 3.4 18 INSTALLATION Figures 4.6 and 4.7 illustrates USB connector locations on the Spinpoint M8U. Figure 4-4 USB Interface
Page 27 - Drive Installation
Spinpoint M8U-Internal Product Manual REV 3.4 19 INSTALLATION 4.5 Drive Installation The Spinpoint M8U hard disk drive can be installed in an USB-compatible system: • To install the drive with a motherboard that contains USB port (type A), connect the drive to the USB port using a USB plugs (type A)...
Page 28 - System Startup Procedure
Spinpoint M8U-Internal Product Manual REV 3.4 20 INSTALLATION 4.6 System Startup Procedure Once the Spinpoint M8U hard disk drive and along with the adapter board (if required) have been installed in your system, the drive can now be partitioned and formatted for operation. To set up the drive corre...
Page 29 - CHAPTER 5 DISK DRIVE OPERATION
Spinpoint M8U-Internal Product Manual REV 3.4 21 INSTALLATION CHAPTER 5 DISK DRIVE OPERATION This chapter describes the operation of the Spinpoint M8U hard disk drive functional subsystems. It is intended as a guide to the operation of the drive, rather than a detailed theory of operation. 5.1 Head ...
Page 31 - Voice Coil Motor and Actuator Latch Assemblies
Spinpoint M8U-Internal Product Manual REV 3.4 23 INSTALLATION 5.1.3 Disk Stack Assembly The disk stack assembly in the Spinpoint M8U hard disk drive consists of 1 or 2 disks and disk spacers secured on the hub of the spindle motor assembly by a disk clamp. The glass disks have a sputtered thin-film ...
Page 32 - D r i v e Electronics; Digital Signal Process and Interface Controller
Spinpoint M8U-Internal Product Manual REV 3.4 24 INSTALLATION 5.2 D r i v e Electronics The Spinpoint M8U hard disk drive attains its intelligence and performance through the specialized electronic components mounted on the PCBA. The components are mounted on one side of the PCBA. The Preamplifier I...
Page 35 - Analog Anti-Aliasing Low Pass Filter; Analog to Digital Converter (ADC) and FIR
Spinpoint M8U-Internal Product Manual REV 3.4 27 INSTALLATION 5.2.3.4 Analog Anti-Aliasing Low Pass Filter The 7 th order equal-ripple analog filter provide filtering of the analog signal from AGC before it’s being converted to digital signal with the ADC. Its main function is to avoid aliasing for ...
Page 36 - S e r v o System; R e a d and Write Operations
Spinpoint M8U-Internal Product Manual REV 3.4 28 INSTALLATION 5.3 S e r v o System The Servo System controls the position of the read/write heads and holds them on track during read/write operations. The Servo System also compensates f or MR write/read offsets and thermal offsets between heads on di...
Page 37 - F i r m w a r e Features
Spinpoint M8U-Internal Product Manual REV 3.4 29 INSTALLATION The ENDEC of 88C9310 decodes the 30/32 with post-processor format to produce a serial bit stream. This NRZ (Non Return to Zero) serial data is converted to 12-bit bytes. The Sequencer module identifies the data as belonging to the target ...
Page 40 - CHAPTER 6 USB INTERFACE AND USB COMMANDS; Introduction; Figure 6-1: Interlayer Communication Flow; Physical Interface
Spinpoint M8U-Internal Product Manual REV 3.4 32 INSTALLATION CHAPTER 6 USB INTERFACE AND USB COMMANDS 6.1 Introduction A Samsung disk drive with an Embedded USB Interface fully supports and enhances PC mass storage requirements. The Samsung USB interface conforms to the USB 2.0 standards in Cabling...
Page 41 - Mechanical Overview
Spinpoint M8U-Internal Product Manual REV 3.4 33 INSTALLATION 6.2.1 Mechanical Interface This chapter provides the mechanical and electrical specifications for the cables, connectors, and cable assemblies used to interconnect USB devices. The specification includes the dimensions, materials, electri...
Page 42 - USB Connector Termination Data; Table 6-1: USB Connector Termination Data
Spinpoint M8U-Internal Product Manual REV 3.4 34 INSTALLATION the host system. Series “B” receptacle mates with a Series “B” plug (male). Electrically, Series “B” receptacles function as inputs to hubs or devices. Series “B” plug mates with a Series “B” receptacle. The Series “B” plug is always orie...
Page 43 - Series “A” and Series “B” Receptacles; Figure 6-3: USB Series “A” Receptacle Interface
Spinpoint M8U-Internal Product Manual REV 3.4 35 INSTALLATION 6.2.1.2.2 Series “A” and Series “B” Receptacles Electrical and mechanical interface configuration data for Series "A" and Series "B" receptacles are shown in Figure 6-3 and Figure 6-4. Figure 6-3: USB Series “A” Receptacle...
Page 44 - Figure 6-4: USB Series “B” Receptacle Interface; Series “A” and Series “B” Plugs; Figure 6-5: USB Series “B” Plug Interface
Spinpoint M8U-Internal Product Manual REV 3.4 36 INSTALLATION Figure 6-4: USB Series “B” Receptacle Interface 6.2.1.2.3 Series “A” and Series “B” Plugs Electrical and mechanical interface configuration data for Series "A" and Series "B" plugs are shown in Figure 6-5 and Figure 6-6. F...
Page 45 - Figure 6-6: USB Series “B” Plug Interface; Cable; Cable Assembly
Spinpoint M8U-Internal Product Manual REV 3.4 37 INSTALLATION Figure 6-6: USB Series “B” Plug Interface 6.2.1.3 Cable USB cable consists of four conductors, two power conductors, and two signal conductors. High-/full-speed cable consists of a signaling twisted pair, V BUS , GND, and an overall shiel...
Page 46 - Figure 6-7: USB Standard Detachable Cable Assembly
Spinpoint M8U-Internal Product Manual REV 3.4 38 INSTALLATION Figure 6-7: USB Standard Detachable Cable Assembly 6.2.1.4.2 High-/full-speed Captive Cable Assemblies Assemblies are considered captive if they are provided with a vendor-specific connect means (hardwired or custom detachable) to the per...
Page 47 - Low-speed Captive Cable Assemblies; Extension cable assembly
Spinpoint M8U-Internal Product Manual REV 3.4 39 INSTALLATION 6.2.1.4.3 Low-speed Captive Cable Assemblies Assemblies are considered captive if they are provided with a vendor-specific connect means (hardwired or custom detachable) to the peripheral. Low-speed cables may only be used on low-speed de...
Page 48 - Cable assembly that violates USB topology rules; Electrical Overview
Spinpoint M8U-Internal Product Manual REV 3.4 40 INSTALLATION Cable assembly that violates USB topology rules A cable assembly with both ends terminated in either Series “A” plugs or Series “B” receptacles. This allows two downstream ports to be directly connected. Note: This prohibition does not pr...
Page 49 - Signaling; Overview of High-speed Signaling; Figure 6-11: Example High-speed Capable Transceiver Circuit
Spinpoint M8U-Internal Product Manual REV 3.4 41 INSTALLATION 6.2.2.2 Signaling The signaling specification for the USB is described in the following subsections. Overview of High-speed Signaling A high-speed USB connection is made through a shielded, twisted pair cable that conforms to all current ...
Page 53 - Overview; Root port hubs
Spinpoint M8U-Internal Product Manual REV 3.4 45 INSTALLATION 6.2.3 Power Distribution This section describes the USB power distribution. Our Storage Device is Bus-powered hubs. 6.2.3.1 Overview The power source and sink requirements of different device classes can be simplified with the introductio...
Page 55 - Protocol Layer
Spinpoint M8U-Internal Product Manual REV 3.4 47 INSTALLATION Figure 6-13: Compound Self-powered Hub 6.3 Protocol Layer This chapter presents a bottom-up view of the USB protocol, starting with field and packet definitions. This is followed by a description of packet transaction formats for differen...
Page 56 - SYNC Fields
Spinpoint M8U-Internal Product Manual REV 3.4 48 INSTALLATION 6.3.2 Common USB Packet Fields Field formats for the token, data, and handshake packets are described in the following section. Packet bit definitions are displayed in unencoded data format. The effects of NRZI coding and bit stuffing hav...
Page 57 - Address Fields
Spinpoint M8U-Internal Product Manual REV 3.4 49 INSTALLATION The host and all functions must perform a complete decoding of all received PID fields. Any PID received with a failed check field or which decodes to a non-defined value is assumed to be corrupted and it, as well as the remainder of the ...
Page 58 - Endpoint Fields
Spinpoint M8U-Internal Product Manual REV 3.4 50 INSTALLATION The function address (ADDR) field specifies the function, via its address, that is either the source or destination of a data packet, depending on the value of the token PID. As shown in Figure 6-15, a total of 128 addresses are specified...
Page 59 - Token CRCs
Spinpoint M8U-Internal Product Manual REV 3.4 51 INSTALLATION the data bit and then the remainder is shifted left one bit and the low-order bit set to zero. If the result of that XOR is one, then the remainder is XORed with the generator polynomial. When the last bit of the checked field is sent, th...
Page 60 - Data Packet; ACK
Spinpoint M8U-Internal Product Manual REV 3.4 52 INSTALLATION 6.3.3.2 Data Packet A data packet consists of a PID, a data field containing zero or more bytes of data, and a CRC as shown in Figure 6-19. There are four types of data packets, identified by differing PIDs: DATA0, DATA1, DATA2 and MDATA....
Page 61 - NYET; Stream Pipes
Spinpoint M8U-Internal Product Manual REV 3.4 53 INSTALLATION The STALL handshake is used by a device in one of two distinct occasions. The first case, known as “functional stall,” is when the Halt feature associated with the endpoint is set. A special case of the functional stall is the “commanded ...
Page 62 - Message Pipes
Spinpoint M8U-Internal Product Manual REV 3.4 54 INSTALLATION • Message Pipes have a defined USB format. They are host controlled, which are initiated by a request sent from the host. Data is then transferred in the desired direction, dictated by the request. Therefore message pipes allow data to fl...
Page 63 - Control Transaction; Figure 6-22: Control Transaction Model
Spinpoint M8U-Internal Product Manual REV 3.4 55 INSTALLATION 6.3.5.1 Control Transaction Control transfers are typically used for command and status operations. They are essential to set up a USB device with all enumeration functions being performed using control transfers. They are typically burst...
Page 64 - Status Stage
Spinpoint M8U-Internal Product Manual REV 3.4 56 INSTALLATION is working, but temporary has no data to send. OUT: When the host needs to send the device a control data packet, it issues an OUT token followed by a data packet containing the control data as the payload. If any part of the OUT token or...
Page 65 - Bulk Transaction; Bulk Transfers
Spinpoint M8U-Internal Product Manual REV 3.4 57 INSTALLATION OUT (Figure 6-25): If the host sent OUT token(s) during the data stage to transmit data, the function will acknowledge the successful recept of data by sending a zero length packet in response to an IN token. However if an error occurred,...
Page 67 - USB Device State
Spinpoint M8U-Internal Product Manual REV 3.4 59 INSTALLATION 6.3.6 USB Device Generic Framework This chapter describes the common attributes and operations of the protocol layer of a USB device. 6.3.6.1 USB Device State A USB device has several possible states. Some of these states are visible to t...
Page 68 - Attatched
Spinpoint M8U-Internal Product Manual REV 3.4 60 INSTALLATION Table 6-4: Visible Device States 6.3.6.1.1 Attatched A USB device may be attached or detached from the USB. The state of a USB device when it is detached from the USB is not defined by this specification. This specification only addresses...
Page 69 - Default
Spinpoint M8U-Internal Product Manual REV 3.4 61 INSTALLATION that configuration is the maximum the device will draw from V BUS in either mode. The device must observe this maximum, regardless of its mode. If a configuration supports only one power mode and the power source of the device changes, th...
Page 70 - Bus Enumeration; Generic USB Device Operation
Spinpoint M8U-Internal Product Manual REV 3.4 62 INSTALLATION remote wakeup signaling must be disabled. 6.3.6.1.7 Bus Enumeration Before application can communicate with a device, the host need to learn about what transfer types and endpoint the device support. The host also must assign an address t...
Page 71 - Address Assignment; Data Transfer
Spinpoint M8U-Internal Product Manual REV 3.4 63 INSTALLATION the effect of resetting the device. A reset USB device has the following characteristics: Responds to the default USB address Is not configured Is not initially suspended When a device is removed from a hub port, the hub disables the port...
Page 72 - Request Processing
Spinpoint M8U-Internal Product Manual REV 3.4 64 INSTALLATION device, Host Software shall not select that configuration. USB devices shall limit the power they consume from V BUS to one unit load or less until configured. Suspended devices, whether configured or not, shall limit their bus power cons...
Page 73 - bmRequestType; Figure 6-31: wIndex Format when Specifying an Endpoint; wLength
Spinpoint M8U-Internal Product Manual REV 3.4 65 INSTALLATION ■ bmRequestType This bitmapped field identifies the characteristics of the specific request. In particular, this field identifies the direction of data transfer in the second phase of the control transfer. The state of the Direction bit i...
Page 74 - Standard USB Device Request Overview
Spinpoint M8U-Internal Product Manual REV 3.4 66 INSTALLATION bmRequestType field. If this field is zero, there is no data transfer phase. On an input request, a device must never return more data than is indicated by the wLength value; it may return less. On an output request, wLength will always i...
Page 80 - Default state
Spinpoint M8U-Internal Product Manual REV 3.4 72 INSTALLATION The wValue field specifies the descriptor type in the high byte (refer to Table 6-8) and the descriptor index in the low byte. The descriptor index is used to select a specific descriptor (only for configuration and string descriptors) wh...
Page 82 - Standard USB Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 74 INSTALLATION When an endpoint supports isochronous transfers, the endpoint may also require per-frame transfers to vary in size according to a specific pattern. The host and the endpoint must agree on which frame the repeating pattern begins. The numb...
Page 83 - Device Descriptor; Table 6-11: Standard Device Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 75 INSTALLATION 6.3.6.4.2 Device Descriptor A device descriptor describes general information about a USB device. It includes information that applies globally to the device and all of the device’s configurations. A USB device has only one device descrip...
Page 84 - Device Qualifier Descriptor; Table 6-12: Device Qualifier Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 76 INSTALLATION 6.3.6.4.3 Device Qualifier Descriptor The device_qualifier descriptor describes information about a high-speed capable device that would change if the device were operating at the other speed. For example, if the device is currently opera...
Page 85 - Configuration Descriptor; Table 6-13: Standard Configuration Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 77 INSTALLATION The vendor, product, device, manufacturer, product, and serialnumber fields of the standard device descriptor are not included in this descriptor since that information is constant for a device for all supported speeds. The version number...
Page 86 - Table 6-14: Other Speed Configuration Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 78 INSTALLATION 6.3.6.4.5 Other_Speed_Configuration_ Descriptor The other_speed_configuration descriptor shown in Table 6-14 describes a configuration of a highspeed capable device if it were operating at its other possible speed. The structure of the ot...
Page 87 - Interface Descriptor; Table 6-15: Standard Interface Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 79 INSTALLATION 6.3.6.4.6 Interface Descriptor The interface descriptor describes a specific interface within a configuration. A configuration provides one or more interfaces, each with zero or more endpoint descriptors describing a unique set of endpoin...
Page 88 - Endpoint Descriptor; Table 6-16: Standard Endpoint Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 80 INSTALLATION 6.3.6.4.7 Endpoint Descriptor Each endpoint used for an interface has its own descriptor. This descriptor contains the information required by the host to determine the bandwidth requirements of each endpoint. An endpoint descriptor is al...
Page 90 - String Descriptor; Table 6-19: UNICODE String Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 82 INSTALLATION maximum packet size for the endpoint can be any allowed value (as defined in Chapter 5). If bits 12..11 of wMaxPacketSize are not zero (0), the allowed values for wMaxPacketSize bits 10..0 are limited as shown in Table 6-17. Table 6-17: A...
Page 91 - F u n c t i o n a l Characteristics
Spinpoint M8U-Internal Product Manual REV 3.4 83 INSTALLATION 6.4 Bulk-Only Transport N2 Product transfer data by USB Mass Storage Class Bulk Only Transport Specification. 6.4.1 F u n c t i o n a l Characteristics 6.4.1.1 Bulk-Only Mass Storage Reset (Class-Specific request) This request is used to ...
Page 92 - Device
Spinpoint M8U-Internal Product Manual REV 3.4 84 INSTALLATION 6.4.1.3 Host/Device Packet Transfer Order The host shall send the CBW before the associated Data-Out, and the device shall send Data-In after the associated CBW and before the associated CSW. The host may request Data-In or CSW before sen...
Page 93 - Table 6-20: Bulk Only Transport Device Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 85 INSTALLATION Table 6-20: Bulk Only Transport Device Descriptor The iSerialNumber field shall be set to the index of the string descriptor that contains the serial number. The serial number shall contain at least 12 valid digits, represented as a UNICO...
Page 94 - Table 6-22: Bulk Only Transport Configuration Descriptor; Table 6-23: Bulk Only Data Interface Descriptor
Spinpoint M8U-Internal Product Manual REV 3.4 86 INSTALLATION 6.4.2.2 Configuration Descriptor (Table 6-22) Table 6-22: Bulk Only Transport Configuration Descriptor 6.4.2.3 Interface Descriptor The device shall support at least one interface, known herein as the Bulk-Only Data Interface. The Bulk-On...
Page 97 - dCBWDataTransferLength:
Spinpoint M8U-Internal Product Manual REV 3.4 89 INSTALLATION 6.4.3.1 Command Block Wrapper (CBW) The CBW (Table 6-26) shall start on a packet boundary and shall end as a short packet with exactly 31 (1Fh) bytes transferred. Fields appear aligned to byte offsets equal to a multiple of their byte siz...
Page 98 - Table 6-28: Command Block Status Values
Spinpoint M8U-Internal Product Manual REV 3.4 90 INSTALLATION CBWCB: The command block to be executed by the device. The device shall interpret the first bCBWCBLength bytes in this field as a command block as defined by the command set identified by bInterfaceSubClass . If the command set supported ...
Page 99 - Command Transport
Spinpoint M8U-Internal Product Manual REV 3.4 91 INSTALLATION 6.4.3.3 Data Transfer Conditions This section describes how the host and device remain synchronized. The host indicates the expected transfer in the CBW using the Direction bit and the dCBWDataTransferLength field. The device then determi...
Page 101 - CBW Not Valid
Spinpoint M8U-Internal Product Manual REV 3.4 93 INSTALLATION 6.4.4.4 Device Error Handling The device may not be able to fully satisfy the host's request. At the point when the device discovers that it cannot fully satisfy the request, there may be a Data-In or Data-Out transfer in progress on the ...
Page 102 - UFI Command Set
Spinpoint M8U-Internal Product Manual REV 3.4 94 INSTALLATION 6.5 UFI Command Set N2 Product doesn’t Support full of UFI Command. Support Command will explain in this chapter. 6.5.1 O v e r v i e w A UFI Device is a removable-media mass storage subsystem, which connects to a Host computer via its Un...
Page 105 - Response Data Format:; Vendor Identification
Spinpoint M8U-Internal Product Manual REV 3.4 97 INSTALLATION RMB: Removable Media Bit: this shall be set to one to indicate removable media. ISO/ECMA: These fields shall be zero for the UFI device. ANSI Version: must contain a zero to comply with this version of the Specification. Response Data For...
Page 106 - Logical Block Address
Spinpoint M8U-Internal Product Manual REV 3.4 98 INSTALLATION RelAdr: This bit should be set to zero. Logical Block Address should be set to zero. PMI: This bit should be set to zero. If the UFI device recognizes the formatted medium, the UFI device returns a READ CAPACITY Data (Table 6-34) to the h...
Page 107 - Capacity List Length
Spinpoint M8U-Internal Product Manual REV 3.4 99 INSTALLATION 6.5.5.1 Capacity List Upon receipt of this command block, the UFI device returns a Capacity List (Table 6-36) to the host on the Bulk In endpoint. - No media in FDU: Capacity List Header + Maximum Capacity Header - Media in FDU: Capacity ...
Page 108 - Table 6-39: Descriptor Code Definition; Number of Blocks; RelAdr
Spinpoint M8U-Internal Product Manual REV 3.4 100 INSTALLATION Table 6-39: Descriptor Code Definition Table 6-40: Formattable Capacity Descriptor The Number of Blocks field indicates the maximum (or fixed) number of addressable blocks for the given capacity descriptor. The Block Length specifies the...
Page 109 - CHAPTER 7 MAINTENANCE; General Information
Spinpoint M8U-Internal Product Manual REV 3.4 101 INSTALLATION CHAPTER 7 MAINTENANCE 7.1 General Information The Samsung Spinpoint M8U hard disk drive achieves high reliability through their mechanical design and extensive use of microelectronics. Their d e s i g n a l l o w s f a s t , e as y s u b...
Page 111 - Service and Repair
Spinpoint M8U-Internal Product Manual REV 3.4 103 INSTALLATION Fig. 7-4: H H D D D D h h a a n n d d l l i i n n g g g g u u i i d d e e - - Prevent Shocks! 7.3 Service and Repair To determine the warranty for a specific drive, use a web browser to access the following web page http://www.seagate.co...