Page 3 - Product Manual
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Medalist Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Medalist Pro 6450 (ST36450A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Medalist Pro 6451 (ST36451A...
Page 4 - © 1997 Seagate Technology, Inc. All rights reserved
© 1997 Seagate Technology, Inc. All rights reserved Publication Number: 32652-001, Rev. B, June 1997 Seagate, Seagate Technology, the Seagate logo, Medalist and theMedalist logo are registered trademarks of Seagate Technology, Inc.Other product names are trademarks or registered trademarks of theiro...
Page 5 - Contents; iii
Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Quick specification chart . . . . . . . . . . . . . . . . . . . . . . 3 1.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . 5 1.1....
Page 6 - iv
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 . . . . ...
Page 7 - Figures
Figures Figure 1. Typical startup current profile . . . . . . . . . . . . . . . . 8 Figure 2. ATA interface connector . . . . . . . . . . . . . . . . . 18 Figure 3. Connectors . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 4. Configuration settings . . . . . . . . . . . . . . . . . . . 20...
Page 9 - Introduction; Seagate
Introduction This manual describes the functional, mechanical and interface specifi-cations for the Medalist ® Pro 6450 and the Medalist Pro 6451 hard disc drives. The drives are referred to throughout this manual by their modelnumbers, ST36450A for the Medalist Pro 6450 and ST36451A for theMedalist...
Page 11 - Quick specification chart; Drive specification
Quick specification chart The following table serves as a quick reference for the drives’ perform-ance specifications. These and other specifications are discussed in“Specifications” on page 5. Drive specification ST36450A ST36451A Guaranteed capacity (Gbytes) (x10 9 bytes) 6.4 6.4 Guaranteed sector...
Page 14 - Note. See Figure 8 on page 37 and Figure 9 on page 38 for PIO timing
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...
Page 15 - Physical dimensions; The mounting dimensions are shown in Figure 6 on page 23.; Seek time
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 moveand ...
Page 16 - Start and stop times; Figure 1. Typical startup current profile
from the start of a read until the buffer segment is full or until anothercommand is received. Write immediate. The drive uses the write segment to store writecommands and data. After the drive receives all of the data for thecommand, it issues a write complete. Then, the drive writes the data tothe...
Page 17 - stays on for about 1 second.; The spindle motor reaches operating speed in about 4 seconds.; over track 0 and the drive is ready.; Caution. Do not move the drive until the motor has come to a complete; is inside the maximum data cylinder.; Power specifications
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 po...
Page 18 - Note. When recovering from Standby or Sleep mode, you must allow; The sleep mode implementation is the same as in Standby mode.
All measurements were taken at the drive power connector. A true RMSmeter is used to measure all modes except Standby. A DMM is used forStandby measurements. 1.11.1.1 Active mode During the Active mode, the drive is involved in spinup, seeking orread/write activities. The table on page 11 shows the ...
Page 19 - Environmental specifications
1.11.2 Power consumption In the table below, the values apply at the drive power connector. Currentwas 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 Current at +5V RMS amps ty...
Page 20 - Shock and vibration; Operating
1.13.2 Temperature gradient Operating 20 ° C per hour (36 ° F per hour) Nonoperating 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 8% to 80% noncon...
Page 22 - 86, Pentium, and PowerPC microprocessors; FCC verification
1.18 Electromagnetic Compliance for the European Union If this model has the CE Marking, it complies with the European Unionrequirements of the Electromagnetic Compatibility Directive 89/336/EECof 03 May 1989 as amended by Directive 92/31/EEC of 28 April 1992and Directive 93/68/EEC of 22 July 1993. ...
Page 24 - Sicherheitsanleitung; Das Gerrät ist ein Einbaugerät, das für eine maximale Umgebung-
Sicherheitsanleitung 1. Das Gerrät ist ein Einbaugerät, das für eine maximale Umgebung- stemperatur 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 derSchrauben im Chassis nicht mehr als 5,08 mm und...
Page 25 - Configuring and mounting the drive; Handling and static-discharge precautions; Handle the drive by its edges or frame only.
2.0 Configuring and mounting the drive This section contains the specifications and instructions for configuringand mounting the drive. 2.1 Handling and static-discharge precautions After you unpack the drive, and before you install it in a system, be carefulnot to damage it through mishandling. Obs...
Page 26 - Figure 2. ATA interface connector
2.2 I/O cable and connector The drive uses a 40-pin, male I/O connector with two rows of twenty pinseach and a notch for keying. Pin 20 is removed for keying purposes. Adrawing of the I/O connector is shown in Figure 2. Pin 1 is located nearthe 4-pin power connector when the I/O connector is mounted...
Page 27 - Options jumper block
2.4 Options jumper block The options jumper block (J5), shown in Figure 3, is used to configurethe drives for operation. It is the 8-pin dual header between the I/Oconnector and the power connector. Pin 1 is located next to the powerconnector and is farthest from the printed circuit board. It accept...
Page 28 - Master/slave configuration; Drive as slave. Place a jumper on pins 5 and 6.; One drive only
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-driveoperation. No jumpers are required for single-drive operation. The sparejumper on pins 6 and 8 does not affect drive opera...
Page 29 - Alternate capacity jumper; Place a jumper on pins 1 and 2 of the J5 options jumper block; Remote LED connection
2.4.2 Alternate capacity jumper This jumper lowers the drive capacity by setting the default translation to4.092 cylinders. Some BIOSs that only auto-detect may require thisjumper . Place a jumper on pins 1 and 2 of the J5 options jumper block to enable this option. When installing this jumper, you ...
Page 30 - Mounting the drive; You can mount the drive in any orientation.; Caution. Do not ins ert the bottom mounting sc rews more than; 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 typeof mounting holes used: either bottom mounting holes or side mountingholes. Refer to Figure 6 on page 23 for mounting dimensions. Bottom mounting holes. Insert ...
Page 31 - Figure 6. Mounting dimensions
A F D E K [1] [3] G C Inches ABC DE F G H J K L M 145.80 101.60 25.40 60.00 15.75 101.60 6.35 44.45 95.25 25.4 101.6 5.74 4.00 1.00 2.3620.6204.0000.250 1.7503.750 1.00 4.0000.143 ± 0.010± 0.010 + 0.021 – 0.009± 0.010± 0.020± 0.010+ 0.010– 0.005± 0.010± 0.010 ± 0.010± 0.010 ± 0.25± 0.25 + 0.53 – 0.2...
Page 33 - ATA Interface connector pin assignments; Seagate ATA Interface Reference
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 TimingExtension for Local Bus Attachments, Rev. 2.0 and SFF 8019: Identifydrives Data for drives Under 8 GB. The ATA commands that the drivessupport are l...
Page 34 - Figure 7. ATA interface connector pin assignments
Reset– Ground DD7DD8DD6DD9DD5 DD10 DD4 DD11 DD3 DD12 DD2 DD13 DD1 DD14 DD0 DD15 Ground (removed) DMARQ Ground DIOW– Ground DIOR– Ground IORDY CSEL DMACK– Ground INTRQ IOCS16– DA1 PDIAG– DA0DA2 CS1FX–CS3FX– DASP– Ground *Drive-to-drive signals Host 283439 Drive 0 (master) Drive 1 (slave) 283439 28343...
Page 35 - Command set; Command name
3.2 Command set This section lists all of the ATA commands the drives use. Only thecommands with unique implementation for the drives are discussed inthis manual. For information about the ATA interface, refer to Working Draft X3T10.2008D Rev. 6, Information Technology—AT Attachment-3Interface ATA-3...
Page 37 - Identify drive command (EC; Word
3.2.1 Identify drive command (EC H ) 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. Word Description Value 0 Configuration 045A H 1 Number of log...
Page 38 - Current valid
Word Description Value 53 Current valid ST36450A ST36451A 0003 H 0001 H words 54–58 and 64–70 are valid0007 H words 54–58, 64–70 and 85–85 are valid 54 Number of current logicalcylinders ST36450A = 13,328ST36451A = 13,328 55 Number of current logicalheads 15 56 Number of currentsectors 63 57–58 Curr...
Page 40 - Set Features command (EF; Write the Feature value to the Features register.
3.2.2 Set Features command (EF H ) The Set Features command (command code EF H ) allows you to enable and disable the multisegmented cache and Automatic Reallocationfeatures and to identify the transfer modes the drives use. The multiseg-mented buffer consists of Read Look-ahead and write-immediate ...
Page 41 - PIO and DMA Data-Transfer Modes
3.2.2.1 PIO and DMA Data-Transfer Modes You can set the multiword DMA mode and identify the PIO data-transfermechanism and transfer mode with the Set Features command. To setthe multiword DMA mode: 1. 1. Write Set Features command value 03 H (Set Data Transfer mode) to the Features register. 2. Writ...
Page 42 - Standby timer timeout period; Sector Count Register contents; Automatic Reallocation
3.2.3 Standby timer timeout period The Idle command and Standby command Sector Count registers areused to activate the Standby timer. The host can enable the Standbytimer by placing a value in the sector-count register of the Idle commandor Standby command. The value corresponds to a predetermined p...
Page 43 - Signal Line Definitions; Protocol Rules
You can disable both the Write Reallocation and write cache using value82 H . 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 SynchronousDMA protocol to provide...
Page 44 - Error Register
• During the entire burst, –CS0, –CS1, and –IOCS16 are in the highnegated state. DA2, DA1 and DA0 are driven low. • The drive begins driving and stops tristating IORDY when –DMACKis first asserted and SyncDMA is enabled. The drive must continue todrive IORDY until –DMACK is de-asserted and then tris...
Page 45 - Appendix. Timing diagrams; Time; Figure 8. Programmed I/O timing without IORDY
Appendix. Timing diagrams Without IORDY, the drives operate at programmed I/O timing specifica-tions, as shown below. Time Description Min Max T0 Cycle time 200 nsec — T1 Drives address (CS1FX–, CS3FX–,DA0, DA1 and DA2) valid and DIOR– and DIOW setup 30 nsec — T2 DIOW– or DIOR– pulse width 80 nsec —...
Page 46 - Figure 9. Programmed I/O timing with IORDY
When using IORDY, the drives operate at programmed timing specifica-tions, as shown below. Time Description Min Max T0 Cycle time 120 nsec — T1 Address valid until IOCS16– is asserted — 30 nsec T2 Drive address (CS1FX–, CS3FX–,DA0, DA1 and DA2) valid before DIOR–or DIOW– setup 25 nsec — T3 IORDY set...
Page 47 - Figure 10. Multiword DMA timing
The drives operate at multiword DMA mode 2 timing specifications, asshown below Time Description Min Max T0 Cycle time 120 nsec — TD DIOW– or DIOR– pulse width (16-bit) 70 nsec — TE DIOR– data access — — TF DIOR– data hold 5 nsec — TG DIOW– data setup 20 nsec — TH DIOW– data hold 10 nsec — TI DMACK–...
Page 48 - Figure 11. Sustained Synchronous DMA burst
The dives operates at sustained synchronous DMA burst timing specifi-cations, as shown below. Time Description Mode 0 Mode 1 Mode 2 Tcyc Cycle time 114 nsec 75 nsec 55 nsec T2cyc Two cycle times 235 nsec 156 nsec 117 nsec Tds Data setup time (at receiver) 15 nsec 10 nsec 7 nsec Tdh Data hold time (a...
