..................................... Medalist Pro Family ..................................... Medalist Pro 6450 (ST36450A) ..................................... Medalist Pro 6451 (ST36451A) ..................................... ATA Interface Drives ..................................... Product Manual .....................................
................................ Medalist Family ................................ Medalist Pro 6450 (ST36450A) ................................ Medalist Pro 6451 (ST36451A) ................................ ATA Interface Drives ................................ Product Manual ................................
© 1997 Seagate Technology, Inc. All rights reserved Publication Number: 32652-001, Rev. B, June 1997 Seagate, Seagate Technology, the Seagate logo, Medalist and the Medalist logo are registered trademarks of Seagate Technology, Inc. Other product names are trademarks or registered trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications.
Medalist Pro 6450/6451 Product Manual, Rev. B iii Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Quick specification chart . . . . . . . . . . . . . . . . . . . . . . 3 1.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . 5 1.1.1 Standard configuration . . . . . . . . . . . . . . . . . . 5 1.2 Physical organization . . . . . . . . . . . . . . . . . . . . . 6 1.
iv Medalist Pro 6450/6451 Product Manual, Rev. B 1.19 FCC verification . . . . . . . . . . . . . . . . . . . . . . 14 2.0 Configuring and mounting the drive . . . . . . . . . . . . . 17 2.1 Handling and static-discharge precautions . . . . . . . . . 17 2.2 I/O cable and connector. . . . . . . . . . . . . . . . . . . 18 2.3 Power connector . . . . . . . . . . . . . . . . . . . . . . . 18 2.4 Options jumper block . . . . . . . . . . . . . . . . . . . . 19 2.4.1 Master/slave configuration . . . . . . . .
Medalist Pro 6450/6451 Product Manual, Rev. B v Figures Figure 1. Typical startup current profile . . . . . . . . . . . . . . . . 8 Figure 2. ATA interface connector . . . . . . . . . . . . . . . . . 18 Figure 3. Connectors . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 4. Configuration settings . . . . . . . . . . . . . . . . . . . 20 Figure 5. Connecting cable-selected drives . . . . . . . . . . . . . 22 Figure 6. Mounting dimensions . . . . . . . . . . . . . . . . . . . 23 Figure 7.
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Medalist Pro 6450/6451 Product Manual, Rev. B 1 Introduction This manual describes the functional, mechanical and interface specifications for the Medalist® Pro 6450 and the Medalist Pro 6451 hard disc drives. The drives are referred to throughout this manual by their model numbers, ST36450A for the Medalist Pro 6450 and ST36451A for the Medalist Pro 6451. Seagate® desktop products take a step into the future with the ST36450A and ST36451A.
2 Medalist Pro 6450/6451 Product Manual, Rev. B The ATA commands with specific applications for these drives and the Seagate-unique commands the drives use are discussed in Section 3.0 on page 25. A complete list of the commands the drives support are found in the table on page 27. The following is a summary of the drives’ features: Capacity • 6.
Medalist Pro 6450/6451 Product Manual, Rev. B 3 Quick specification chart The following table serves as a quick reference for the drives’ performance specifications. These and other specifications are discussed in “Specifications” on page 5. Drive specification ST36450A Guaranteed capacity (Gbytes) (x109 bytes) 6.4 ST36451A 6.
4 Medalist Pro 6450/6451 Product Manual, Rev. B continued from previous page Drive specification ST36450A ST36451A Height (inches max) 1.027 1.027 Width (inches max) 4.023 4.023 Depth (inches max) 5.787 5.787 Typical weight (lb) 1.5 1.5 Spinup current (max) 3.0A 3.0A Seek power (typical) 9.8W 9.8W Read/Write power and current (typical) 7.8W 7.8W Idle total power (typical) 7.8W 7.8W Standby/Sleep total power (typical) 2.0W 2.
Medalist Pro 6450/6451 Product Manual, Rev. B 5 1.0 Specifications 1.1 Formatted capacity Medalist Pro drives are low-level formatted at the factory. You cannot low-level format them. These drives support cylinder-head-sector (CHS) and logical-block addressing (LBA) translation modes. You can use the Identify drive (ECH) command to verify the address modes the drives support, the number of cylinders, sectors per track, total number of sectors, heads and other parameters.
6 Medalist Pro 6450/6451 Product Manual, Rev. B 1.2 Physical organization ST36450A ST36451A Read/write heads 10 10 Discs 5 5 1.3 Functional specifications ST36450A ST36451A Interface ATA-2 Ultra ATA Recording method PRML (8/9 ) PRML (8/9) External data burst transfer rate: PIO mode 4 (Mbytes per sec) DMA mode 2 (Mbytes per sec) Synchronous DMA mode 2 16.6 16.6 –– 16.6 16.6 33.3 Internal data-transfer rate (Mbits per sec) 63 to 116 63 to 116 Spindle speed (RPM) 5,397 ± 0.
Medalist Pro 6450/6451 Product Manual, Rev. B 7 1.4 Physical dimensions The mounting dimensions are shown in Figure 6 on page 23. Height, max 1.027 inch (26.09 mm) Width, max 4.025 inches (102.2 mm) Depth, max 5.787 inches (146.99 mm) Weight 1.5 lb (0.68 Kg) 1.5 Seek time Seek value is the interval between the time the actuator begins to move and the time the head has settled over the target track. Seek time is a true statistical average of at least 10,000 measurements of seek time.
8 Medalist Pro 6450/6451 Product Manual, Rev. B from the start of a read until the buffer segment is full or until another command is received. Write immediate. The drive uses the write segment to store write commands and data. After the drive receives all of the data for the command, it issues a write complete. Then, the drive writes the data to the disc. Write merging. The drive accepts contiguous write commands and executes them as one command. 1.
Medalist Pro 6450/6451 Product Manual, Rev. B 9 1.9 Power-up sequence 1. Power is applied to the drive. 2. When power is applied, the LED stays on for about 1 second. 3. The spindle motor reaches operating speed in about 4 seconds. 4. The magnetic actuator-lock releases the actuator. 5. The drive achieves final speed-control lock. 6. The heads position over track 0 and the drive is ready. 1.9.1 Power-down sequence Caution. Do not move the drive until the motor has come to a complete stop. 1.
10 Medalist Pro 6450/6451 Product Manual, Rev. B All measurements were taken at the drive power connector. A true RMS meter is used to measure all modes except Standby. A DMM is used for Standby measurements. 1.11.1.1 Active mode During the Active mode, the drive is involved in spinup, seeking or read/write activities. The table on page 11 shows the typical power-consumption rates for these activities. • Spinup.
Medalist Pro 6450/6451 Product Manual, Rev. B 11 1.11.2 Power consumption In the table below, the values apply at the drive power connector. Current was measured with an RMS DC ammeter. Spinup Seek Read/ write Idle Standby Current at +12V Amps max 3.0A — — — — RMS amps typ — 0.68 0.50 0.50 0.02 Watts typ — 8.1 6.0 6.0 0.25 RMS amps typ — 0.36 0.36 0.36 0.35 Watts typ — 1.8 1.8 1.8 1.75 — 9.8W 7.8W 7.8W 2.0W Current at +5V Power Total watts typ 1.
12 Medalist Pro 6450/6451 Product Manual, Rev. B 1.13.2 Temperature gradient Operating Nonoperating 20°C per hour (36°F per hour) 25°C per hour (45°F per hour) 1.13.3 Altitude Operating –1,000 ft. to 10,000 ft. (–305 m to 3,048 m) Nonoperating –1,000 ft. to 40,000 ft. (–305 m to 12,192 m) 1.13.4 Relative humidity Operating Maximum operating gradient Nonoperating 8% to 80% noncondensing Maximum wet bulb 29.4°C (85°F) 10% per hour 5% to 95% noncondensing Maximum wet bulb 35°C (95°F) 1.
Medalist Pro 6450/6451 Product Manual, Rev. B 13 1.15 Acoustics This table shows the overall A-weighted acoustic sound power and sound pressure levels for the drives. All measurements are generally consistent with ISO document 7779. Acoustic measurements are taken under essentially free-field conditions over a reflecting plane. The drive is oriented with the top cover up for all tests. Overall A-weighted Value Idle Seek Sound power, typ (bels) 3.6 4.3 4.0 4.
14 Medalist Pro 6450/6451 Product Manual, Rev. B 1.18 Electromagnetic Compliance for the European Union If this model has the CE Marking, it complies with the European Union requirements of the Electromagnetic Compatibility Directive 89/336/EEC of 03 May 1989 as amended by Directive 92/31/EEC of 28 April 1992 and Directive 93/68/EEC of 22 July 1993. Seagate uses an independent laboratory to confirm compliance to the above directives.
Medalist Pro 6450/6451 Product Manual, Rev. B 15 such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television, which can be determined by turning the equipment on and off, you are encouraged to try one or more of the following corrective measures: • Reorient the receiving antenna. • Move the device to one side or the other of the radio or TV.
16 Medalist Pro 6450/6451 Product Manual, Rev. B Sicherheitsanleitung 1. Das Gerrät ist ein Einbaugerät, das für eine maximale Umgebungstemperatur von 50°C vorgesehen ist. 2. Zur Befestigung des Laufwerks werden 4 Schrauben 6-32 UNC-2A benötigt. Bei seitlicher Befestigung darf die maximale Länge der Schrauben im Chassis nicht mehr als 5,08 mm und bei Befestigung an der Unterseite nicht mehr als 5,08 mm betragen. 3. Als Versorgungsspannugen werden benötigt: +5V æ 5% 0.55A +12Væ 5% 0.35A (2.0A fur ca.
Medalist Pro 6450/6451 Product Manual, Rev. B 17 2.0 Configuring and mounting the drive This section contains the specifications and instructions for configuring and mounting the drive. 2.1 Handling and static-discharge precautions After you unpack the drive, and before you install it in a system, be careful not to damage it through mishandling.
18 Medalist Pro 6450/6451 Product Manual, Rev. B 2.2 I/O cable and connector The drive uses a 40-pin, male I/O connector with two rows of twenty pins each and a notch for keying. Pin 20 is removed for keying purposes. A drawing of the I/O connector is shown in Figure 2. Pin 1 is located near the 4-pin power connector when the I/O connector is mounted. 0.100 ± 0.010 0.235 ± 0.025 pin 1 0.70 ± 0.010 0.025 ± 0.002 0.230 ± 0.003 0.025 ± 0.002 0.100 typ 0.160 0.070 ± 0.010 1.90 2.00 Figure 2.
Medalist Pro 6450/6451 Product Manual, Rev. B 19 2.4 Options jumper block The options jumper block (J5), shown in Figure 3, is used to configure the drives for operation. It is the 8-pin dual header between the I/O connector and the power connector. Pin 1 is located next to the power connector and is farthest from the printed circuit board. It accepts 0.1-inch jumpers. The options jumper block is used to: • Configure the drive for single-drive operation.
20 Medalist Pro 6450/6451 Product Manual, Rev. B Options jumper block (J5) Spare Jumper One drive only Drive is slave Master with an ATA-compatible slave Alternate Capacity (AC) Cable select Remote LED connection 7 5 3 1 8 6 4 2 Circuit Board Figure 4. Configuration Settings 2.4.1 Master/slave configuration Use the following settings to configure the drive as a master or a slave. One drive only. The drive is configured at the factory for single-drive operation.
Medalist Pro 6450/6451 Product Manual, Rev. B 2.4.2 21 Alternate capacity jumper This jumper lowers the drive capacity by setting the default translation to 4.092 cylinders. Some BIOSs that only auto-detect may require this jumper. Place a jumper on pins 1 and 2 of the J5 options jumper block to enable this option. When installing this jumper, you may need thirdparty partitioning software to achieve full capacity of the drive. 2.4.
22 Medalist Pro 6450/6451 Product Manual, Rev. B Slave CSEL not carried to pin 28 of this connector Master Pin 28 grounded at computer Computer Figure 5. Connecting cable-selected drives 2.5 Mounting the drive You can mount the drive in any orientation. Use the set of mounting guidelines below that are appropriate to the type of mounting holes used: either bottom mounting holes or side mounting holes. Refer to Figure 6 on page 23 for mounting dimensions. Bottom mounting holes.
Medalist Pro 6450/6451 Product Manual, Rev. B C [3] G 23 K D [1] F E A Notes. [1] Mounting holes three on each side, 6-32 UNC. Max screw length into side of drive 0.15 in. (3.81 mm). Screw tightening torque 6.0 in-lb (0.675 NM) max with minimum thread engagement of 0.12 in. (3.05 mm). [2] Mounting holes four on bottom, 6-32 UNC. Max screw length into bottom of drive 0.15 in. (3.81 mm). Screw tightening torque 6.0 in-lb (0.675 NM) max with minimum thread engagement of 0.12 in. (3.05 mm).
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Medalist Pro 6450/6451 Product Manual, Rev. B 25 3.0 ATA Interface The drives use an ATA-3 interface. The interface complies with ANSI ATA (AT Attachment) Interface X3T10 Rev. 6.0; SFF 8011: ATA Timing Extension for Local Bus Attachments, Rev. 2.0 and SFF 8019: Identify drives Data for drives Under 8 GB. The ATA commands that the drives support are listed on pages 27 and 28. Commands and features with specific applications for these drives are also discussed in this section.
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Medalist Pro 6450/6451 Product Manual, Rev. B 27 3.2 Command set This section lists all of the ATA commands the drives use. Only the commands with unique implementation for the drives are discussed in this manual. For information about the ATA interface, refer to Working Draft X3T10.2008D Rev. 6, Information Technology—AT Attachment-3 Interface ATA-3.
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Medalist Pro 6450/6451 Product Manual, Rev. B 3.2.1 29 Identify drive command (ECH) The Identify drive parameters for the drives are listed in the table below. Note. If the alternate capacity jumper is installed on the drive, the drive capacity is reduced in Word 1 to 4,092 cylinders.
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Medalist Pro 6450/6451 Product Manual, Rev.
32 3.2.2 Medalist Pro 6450/6451 Product Manual, Rev. B Set Features command (EFH) The Set Features command (command code EFH) allows you to enable and disable the multisegmented cache and Automatic Reallocation features and to identify the transfer modes the drives use. The multisegmented buffer consists of Read Look-ahead and write-immediate and write-merging features. The table below lists the features the drives support.
Medalist Pro 6450/6451 Product Manual, Rev. B 33 3.2.2.1 PIO and DMA Data-Transfer Modes You can set the multiword DMA mode and identify the PIO data-transfer mechanism and transfer mode with the Set Features command. To set the multiword DMA mode: 1. Write Set Features command value 03H (Set Data Transfer mode) to the Features register. 2. Write a transfer types value to the Sector Count register. The upper 5 bits of this value define the type of data transfer, and the lower 3 bits encode the mode value.
34 3.2.3 Medalist Pro 6450/6451 Product Manual, Rev. B Standby timer timeout period The Idle command and Standby command Sector Count registers are used to activate the Standby timer. The host can enable the Standby timer by placing a value in the sector-count register of the Idle command or Standby command. The value corresponds to a predetermined period of drive inactivity. The table below lists the values the Seagate drives use and their corresponding timeout period.
Medalist Pro 6450/6451 Product Manual, Rev. B 35 You can disable both the Write Reallocation and write cache using value 82H. These two features coexists as a pair and are enabled/disabled together. 3.3 Synchronous DMA Transfer 3.3.1 Signal Line Definitions Some existing ATA signal lines are redefined during the Synchronous DMA protocol to provide new functions.
36 Medalist Pro 6450/6451 Product Manual, Rev. B • During the entire burst, –CS0, –CS1, and –IOCS16 are in the high negated state. DA2, DA1 and DA0 are driven low. • The drive begins driving and stops tristating IORDY when –DMACK is first asserted and SyncDMA is enabled. The drive must continue to drive IORDY until –DMACK is de-asserted and then tristates IORDY within (Tiordyz) nanoseconds. • A device that supports a particular mode timing must support all slower modes 3.3.
Medalist Pro 6450/6451 Product Manual, Rev. B 37 Appendix. Timing diagrams Without IORDY, the drives operate at programmed I/O timing specifications, as shown below. Address valid DIOR− and DIOW− Write data valid Read data valid IOCS16− T7 T5 T3 T1 T6 T4 T2 T9 T8 T0 Figure 8.
38 Medalist Pro 6450/6451 Product Manual, Rev. B When using IORDY, the drives operate at programmed timing specifications, as shown below. Address valid IOCS16− DIOR− or DIOW− IORDY Write data valid Read data valid T1 T2 T3 T7 T8 T6 T9 T5 T4 T10 T11 T0 Figure 9.
Medalist Pro 6450/6451 Product Manual, Rev. B 39 The drives operate at multiword DMA mode 2 timing specifications, as shown below DMARQ DMACK− DIOR− or DIOW− Read data valid Write data valid TE TF TG TI TH TD TL TK TJ T0 Figure 10.
40 Medalist Pro 6450/6451 Product Manual, Rev. B The dives operates at sustained synchronous DMA burst timing specifications, as shown below. Strobe at Sender Data at Sender Tdvs Tdvs Tdvh Tdvh Tdvh Tcyc Tcyc T2cyc T2cyc Strobe at Receiver Data at Receiver Tds Tds Tdh Tdh Tdh Figure 11.
Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, California 95066, USA Publication Number: 32652-001, Rev.
