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Medalist SL Family
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Medalist 540sl, Medalist 851sl
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Medalist 1080sl, Medalist 1270sl
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ATA Interface Drives
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Product Manual
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Table of Contents
Related Manuals for Seagate Medalist SL
Summary of Contents for Seagate Medalist SL
- Page 1 ..Medalist SL Family ........
- Page 3 ..Medalist SL Family ........
- Page 4 Supersedes Publication Numbers 36331-1 xx and 36304- xxx Seagate, Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology, Inc. Medalist is a trademark of Seagate Technology, Inc. Other product names are trademarks or registered trademarks of their owners.
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Page 5: Table Of Contents
Medalist SL Family Product Manual, June 1996 Contents Introduction ......1 Quick specification chart ..... . 3 1.0 Specifications . - Page 6 Medalist SL Family Product Manual, June 1996 2.0 Configuring and mounting the drive ... . . 17 2.1 Handling and static-discharge precautions ..17 2.2 I/O connector...
- Page 7 Medalist SL Family Product Manual, June 1996 Figures Figure 1. Typical +12V startup current profile ... . Figure 2. ATA interface connector ....18 Figure 3.
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Page 9: Introduction
Idle or Standby modes. (A complete listing of the ATA commands the drives support is found in the table on page 27. The ATA commands that have Seagate- unique applications and the Seagate-unique commands the drives use are discussed in Section 3.0 on page 25.) - Page 10 Medalist SL Family Product Manual, June 1996 designer or integrator more room for air circulation, other peripherals or a smaller drive bay. In addition, the smaller size and a redesigned top cover have improved the acoustics for the 5,376-RPM drive. The idle acoustic sound level is 30 dBA.
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Page 11: Quick Specification Chart
Medalist SL Family Product Manual, June 1996 Quick specification chart The following table serves as a quick reference of performance specifi- cations for these drives. These and other specifications are discussed in the Specification summary section following the table. Drive specification... - Page 12 Medalist SL Family Product Manual, June 1996 continued from previous page Drive specification ST5540A ST5851A ST51080A ST51270A Power-on to ready (sec typical) Spinup current (typical) 1.1A Seek power (typical) 6.52W Read/Write power and current 4.9W (typical) Idle total power (typical) 3.36W...
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Page 13: Specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, at sea level and nominal power. 1.1 Formatted capacity Medalist SL drives are low-level formatted at the factory. You cannot low-level format them. You can operate the drive using many different address configurations, provided the number of sectors per track does not exceed 63. -
Page 14: Physical Organization
Medalist SL Family Product Manual, June 1996 ST51080A Cylinders 2,100 Heads Sectors Guaranteed sectors 2,116,800 2,116,800 Guaranteed capacity (bytes 1,083,801,600 1,083,801,600 ST51270A Cylinders 2,485 Heads Sectors Guaranteed sectors 2,504,880 2,504,880 Guaranteed capacity (bytes 1,282,498,560 1,282,498,560 1.1.2 Physical organization ST5540A ST5851A ST51080A... -
Page 15: Functional Specifications
Medalist SL Family Product Manual, June 1996 1.2 Functional specifications Model ST5540A ST5851A ST51080A ST51270A ATA-2 Interface Zone Bit Recording method RLL (1,7) External data burst-transfer rate: DMA mode 2 16.6 Mbytes per sec PIO mode 4 16.6 Mbytes per sec... -
Page 16: Start And Stop Times
Medalist SL Family Product Manual, June 1996 The specifications in the table below are defined as follows: • Track-to-track seek time is the average of all possible single-track seeks in both directions. • Average seek time is measured by executing seeks in both directions between random cylinders. -
Page 17: Power-Down Sequence
Medalist SL Family Product Manual, June 1996 Milliamps 1,200 1,000 Seconds Figure 1. Typical +12V startup current profile 1.6.2 Power-down sequence Caution. Do not move the drive until the motor has come to a complete stop. 1. The power is turned off. -
Page 18: Power Specifications
Medalist SL Family Product Manual, June 1996 1.7 Power specifications 1.7.1 Power consumption The drives support Active, Idle, Standby and Sleep power-management modes. The power-management commands the drives support are listed in the table on page 27. The table below shows the average typical power consumption rates for each power-management mode. -
Page 19: Voltage Tolerance
The drive enters Idle mode when the host issues an Idle command, Idle Immediate command or Idle and Set Idle Timer command. The Idle timer is a Seagate-unique feature and is disabled by the factory. It is discussed in Section 3.2.3 on page 33. -
Page 20: Input Noise
Medalist SL Family Product Manual, June 1996 1.7.3 Input noise +12V Input noise frequency 25 MHz 25 MHz (max) Input noise 100 mV 240 mV (max, peak-to-peak) 1.8 Environmental specifications 1.8.1 Ambient temperature 5 ° to 55 ° C (41 ° to 131 ° F) Operating –40 °... -
Page 21: Shock And Vibration
Medalist SL Family Product Manual, June 1996 1.8.5 Shock and vibration The drive is mounted for normal operation as recommended in Section 2.4 on page 23. Shock and vibration may be applied in the X, Y or Z axis. Episodes are not repeated more than twice per second. -
Page 22: Acoustics
Medalist SL Family Product Manual, June 1996 1.9 Acoustics This table shows the acoustic sound pressure level (no pure tones) when the drive is measured with a microphone from a distance of one meter. The drive is oriented with the cover up. -
Page 23: Agency Listings
ESD, EFT). 1.12 FCC verification The Medalist SL family ATA interface drives are intended to be contained solely within a personal computer or similar enclosure (not attached to an external device). As such, a drive is considered to be a subassembly even when individually marketed to the customer. - Page 24 Medalist SL Family Product Manual, June 1996 • Plug the equipment into a different outlet so that the receiver and computer are on different branch outlets. If necessary, you should consult your dealer or an experienced ra- dio/television technician for additional suggestions. You may find helpful...
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Page 25: Configuring And Mounting The Drive
Medalist SL Family Product Manual, June 1996 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 or static discharge. -
Page 26: I/O Connector
The options jumper block allows you to: • Configure the drive for single-drive operation. • Configure the drive as the master or slave. • Extend the time period the Seagate drive, as master, waits for the slave to respond with status acknowledgment during the boot cycle. -
Page 27: Figure 3. Drive Connectors
A spare jumper that can be used to configure the drive is attached to pins 2 and 4. This pin combination does not affect any drive function. If you need additional jumpers, use Seagate part number 13211-001 or an equivalent. -
Page 28: Figure 4. Options Jumper Block Settings
Medalist SL Family Product Manual, June 1996 Options jumper block Single drive or master with an ATA-compatible slave Drive is slave Drive is master with a non-ATA- compatible slave Cable select Circuit Board Figure 4. Options jumper block settings... -
Page 29: Master/Slave Configuration
Error register whether or not PDIAG– is asserted. If the jumper on pins 5 and 6 is removed, the Seagate master waits up to 5 seconds for the slave to assert PDIAG– and places 01 in the Error register if the signal is asserted or 81 if the signal is not asserted. -
Page 30: Cable-Select Option
Medalist SL Family Product Manual, June 1996 2.3.4 Cable-select option Computers that use the cable-select method for determining the master and slave drive do so by selecting or deselecting pin 28, CSEL, on the interface bus. Figure 5 shows a typical cable-select configuration. The... -
Page 31: Mounting The Drive
Medalist SL Family Product Manual, June 1996 2.4 Mounting the drive Mount the drive securely in the computer using either the bottom or side mounting holes as described below. Position the drive so that you do not strain or crimp the cables. Figure 6 on page 24 shows the drive’s dimensions and includes the side and the bottom mounting holes. -
Page 32: Figure 6. Mounting Dimensions
Medalist SL Family Product Manual, June 1996 In the following figure, all dimensions are in inches and millimeters (mm). Six 6-32 UNC-2B threaded holes Max screw insertion depth: 0.20 inches 0.748 max (19.000) 2.362 ± 0.010 0.250 ± 0.010 (59.995. ± 0.254) (6.350 ±... -
Page 33: Ata Interface
27 and 28 of this section. Commands and features with specific applica- tions for the drive are also discussed in this section. For more information on Seagate’s implementation of the ATA interface and commands, see the Seagate ATA Interface Manual, publication number 36111- xxx . -
Page 34: Figure 7. Ata Interface Connector Pin Assignments
Medalist SL Family Product Manual, June 1996 Drive Host Reset – Host Reset Ground Ground Host Data Bus Bit 7 Host Data Bus Bit 8 Host Data Bus Bit 6 Host Data Bus Bit 9 Host Data Bus Bit 5... -
Page 35: Command Set
This section lists all of the ATA commands the drives use. Commands whose implementation is specific for the drive are discussed in this manual. For information on Seagate’s implementation on the other supported commands, refer to the Seagate ATA Interface Reference Manual , publication number 36111- xxx . - Page 36 Medalist SL Family Product Manual, June 1996 continued from previous page Parameters used Command Command name code (in hex) FR SC SN CY DH Idle Immediate 95, F8, E1 Initialize Drive Parameters Read DMA C8, C9 — Read Long 22, 23...
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Page 37: Identify Drive Command (Ec H )
Medalist SL Family Product Manual, June 1996 3.2.1 Identify Drive command (EC The parameters for the drives are listed in the table below. The Seagate ATA Interface Reference Manual , publication number 36111- xxx , de- scribes the Identify Drive command in detail. - Page 38 Medalist SL Family Product Manual, June 1996 continued from previous page Word Description Value Maximum sectors 0010 R/W Multiple supported; per interrupt per R/W 16 sectors per block Multiple command Double word I/O 0000 Not supported Capabilities 0B01 IORDY, DMA, LBA...
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Page 39: Set Features Command (Ef H )
Medalist SL Family Product Manual, June 1996 Word Description Value Minimum multiword 120 nsec DMA transfer per word Recommended 120 nsec multiword DMA transfer per word Minimum PIO 180 nsec transfer without IORDY Minimum PIO 120 nsec transfer with IORDY... - Page 40 Medalist SL Family Product Manual, June 1996 To use the command: 1. Write the feature value to the Features register. 2. Write the Set Features command to the command register. Note. If the value in the Features register is not supported or is invalid, the drive posts an Aborted Command error (04).
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Page 41: Idle And Set Idle Timer (Fa H )
01000 3.2.3 Idle and Set Idle Timer (FA This is a Seagate-unique power command. It moves the drive immedi- ately to Idle mode. When the drive receives this command, it asserts Busy in the Host Status register, initiates entry into Idle mode, negates Busy and generates an interrupt. -
Page 42: Active And Set Idle Timer Command (Fb H )
Active mode. The drive is shipped with the timer disabled. 3.2.4 Active and Set Idle Timer command (FB This is a Seagate-unique power command. It moves the drive immedi- ately to Active mode. When the drive receives this command, it asserts Busy in the Host Status register, initiates entry into Active mode, negates Busy and generates an interrupt. -
Page 43: Appendix. Timing Diagrams
The drives are designed to comply with and can exceed the ATA-2 timing standards. Performance in excess of the ATA-2 standard depends on the capability of the host-system environment. See your Seagate repre- sentative for additional details. Without IORDY, the drive operates at programmed I/O timing specifica- tions, as shown below. -
Page 44: Figure 9. Programmed I/O Timing With Iordy
Medalist SL Family Product Manual, June 1996 When using IORDY, the drive operates at programmed timing specifica- tions, as shown below. Address valid Address valid IOCS16− IOCS16− DIOR− or DIOW− DIOR− or DIOW− IORDY IORDY Write data valid Write data valid... -
Page 45: Figure 10. Multiword Dma Timing
Medalist SL Family Product Manual, June 1996 The drive operates at multiword DMA mode 2 timing specifications, as shown below. DMARQ DMACK− DIOR− or DIOW− Read data valid Write data valid Figure 10. Multiword DMA timing Time Description Cycle time 120 nsec —... - Page 48 Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, California 95066, USA Publication Number: 36331-301, June 1996, Printed in USA...