Seagate Medalist 630xe Product Manual
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Seagate Medalist 630xe Product Manual

Ata interface drive
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Medalist 630xe
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Medalist 850xe
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ATA Interface Drive
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Summary of Contents for Seagate Medalist 630xe

  • Page 1 ..Medalist 630xe ........
  • Page 3 ..Medalist 630xe ........
  • Page 4 Publication Number: 39301-201, Rev. A, June 1996 Supersedes Publication Number 36330-x xx 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 reg- istered trademarks of their owners.

  • Page 5: Table Of Contents

    Medalist 630xe and 850xe ATA Product Manual, June 1996 Contents Introduction ......1 Quick specification chart .
  • Page 6 Medalist 630xe and 850xe ATA Product Manual, June 1996 2.4.1 Single-drive or master with an ATA-compatible slave . 18 2.4.2 The drive as slave ....18 2.4.3 Master with a non-ATA-compatible slave...
  • Page 7 Medalist 630xe and 850xe ATA Product Manual, June 1996 Contents Figure 1. Typical startup current profile ....8 Figure 2. ST3850A Connectors and jumpers ... . 16 Figure 3.

  • Page 9: Introduction

    Introduction This manual describes the functional, mechanical and interface specifi- cations for the Medalist 630xe and the Medalist 850xe hard disc drives. The drives are referred to throughout this manual by their model num- bers, ST3630A for the Medalist 630xe and ST3850A for the Medalist 850xe.

  • Page 10: Quick Specification Chart

    Medalist 630xe and 850xe ATA Product Manual, June 1996 Quick specification chart The following table serves as a quick reference for the ST3630A and the ST3850A performance specifications. These and other specifications are discussed in the Specification summary section following the table.
  • Page 11 Medalist 630xe and 850xe ATA Product Manual, June 1996 Drive specification ST3630A ST3850A Seek power (typical) 5.23 W 5.23W Read/Write power (typical) 3.34W 3.34W Idle total power (typical) 1.985W 1.985W Standby(typical) 0.725W 0.725W ±5% ±5% Voltage tolerance (including noise): +5V ±5%...

  • Page 13: Specification Summary

    Medalist 630xe and 850xe ATA Product Manual, June 1996 1.0 Specification summary 1.1 Format configuration The drive is low-level formatted at the factory. You do not need to low-level format the drive. 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 630xe and 850xe ATA Product Manual, June 1996 1.2 Physical organization Model ST3630A ST3850A Heads Discs 1.3 Functional specifications Model ST3630A ST3850A Interface Internal data-transfer rate (Mbits/sec) 22.9 to 39.6 23.1 to 42.3 External data-transfer rate (Mbytes/sec) PIO Mode 11.1 (max)

  • Page 15: Seek Time

    Medalist 630xe and 850xe ATA Product Manual, June 1996 1.5 Seek time All performance measurements are taken using a 25-MHz 486 AT computer (or faster) with an 8.3-MHz I/O bus. The measurements are taken using nominal power at sea level and at 25°C ambient temperature.

  • Page 16: Power Specifications

    Medalist 630xe and 850xe ATA Product Manual, June 1996 Current mA 1,200 1,000 10.0 12.0 14.0 16.0 18.0 20.0 Time (seconds) Figure 1. Typical startup current profile 1.7 Power specifications Except during a write operation, you can apply power to the drive or remove power from the drive in any sequence without losing data or damaging the drive.
  • Page 17 Idle mode, and the Standby timer, if it is enabled, is initialized. If the Standby timer reaches zero before any drive activity is required, the drive goes into the Standby mode. See the Seagate ATA Interface Reference Manual , publication number 36111- xxx, for details.

  • Page 18: Voltage Tolerances

    Medalist 630xe and 850xe ATA Product Manual, June 1996 Current (amps) Mode Power (watts) +12V Spinup (peak) 1.25 0.35 Active Seeking (typ) 0.34 0.23 5.23 0.145 0.32 3.34 Read/write (typ) 0.13 0.085 1.985 Idle (typ) Standby (typ) 0.025 0.085 0.725...

  • Page 19: Environment

    Medalist 630xe and 850xe ATA Product Manual, June 1996 1.7.4 Environment The acceptable environmental conditions for the drive are specified below. The specifications in this section are defined as follows: • Operating specifications assume that the drive is powered up.

  • Page 20: Shock And Vibration

    Medalist 630xe and 850xe ATA Product Manual, June 1996 1.7.9 Shock and vibration Shock measurements are based on an 11 msec, half sine wave shock pulse that are not to be repeated more than twice per second. The specifications in the table below are defined as follows: •...

  • Page 21: Reliability

    Medalist 630xe and 850xe ATA Product Manual, June 1996 1.9 Reliability The MTBF and contact start-stop specifications assume nominal power at sea level with an ambient temperature of 25°C. Nonrecoverable errors 1 per 10 bits read MTBF 300,000 power-on hours...

  • Page 22: Fcc Verification

    Commission authorization, verification or certification of the device is required. Seagate Technology, Inc. has tested the drive in an enclosure as described above to ensure that the total assembly (enclosure, disc drive, motherboard, power supply, etc.) does comply with the limits for a Class B computing device, pursuant to Subpart J of Part 15 of the FCC rules.

  • Page 23: Configuration And Mounting

    Medalist 630xe and 850xe ATA Product Manual, June 1996 2.0 Configuration and mounting This section discusses the configuration and mounting specifications for the drives. Figure 2 on page 16 shows the location of the connectors on the drives. A brief discussion of the connectors, the master/slave jumper block settings and on mounting the drives follow.
  • Page 24 Medalist 630xe and 850xe ATA Product Manual, June 1996 4-pin power connector Circuit board +5V return +12V return +12V Pin 1 40-pin ATA interface connector 8-pin master/slave jumper block Figure 2. ST3850A Connectors and jumpers...

  • Page 25: The Ata Interface Connector

    Medalist 630xe and 850xe ATA Product Manual, June 1996 2.2 The ATA interface connector The drive uses a standard 40-pin interface connector with 2 rows of 20 male pins. Pin 20 is removed. The connector is shown in Figure 2.

  • Page 26: Single-Drive Or Master With An Ata-Compatible Slave

    Medalist 630xe and 850xe ATA Product Manual, June 1996 Spare jumper Single drive or 1 3 5 7 Master with an ATA-compatible slave 2 4 6 8 The drive is the slave Master with a non-ATA-compatible slave Cable select Figure 4. Master/slave jumper block settings 2.4.1 Single-drive or master with an ATA-compatible...

  • Page 27: Factory-Test Configuration

    Medalist 630xe and 850xe ATA Product Manual, June 1996 Slave CSEL not carried to pin 28 of this connector Master Pin 28 grounded at computer Computer Figure 5. Connecting cable-selected drives 2.4.5 Factory-test configuration Do not install jumpers on pins 5 and 6 and pins 7 and 8 at the same time.
  • Page 28 Medalist 630xe and 850xe ATA Product Manual, June 1996 Figure 6 shows the dimensions in inches. 0.15 ± 0.01 Six #6-32 UNC-2B mounting holes 1.000 max 0.250 ± 0.010 2.362 ± 0.010 4.000 ± 0.010 0.630 ± 0.025 0.030 5.77 max 2.375 ±...

  • Page 29: Ata Interface

    3.1 ATA interface connector pin assignments The signal name and direction for each I/O connector pin is shown in Figure 7 on page 22. For a description of each pin, see the Seagate ATA Interface Reference Manual , publication number 36111- xxx.
  • Page 30 Medalist 630xe and 850xe ATA Product Manual, June 1996 Drive pin # Host pin # and signal description Signal name Reset – Host Reset Ground Ground Host Data Bus Bit 7 Host Data Bus Bit 8 Host Data Bus Bit 6...

  • Page 31: Supported Ata Commands

    For a complete description of all ATA interface commands the drives use, refer to the Seagate ATA Interface Reference Manual , part number 36111- xxx . Additional information is provided by the Small Form Factor specification, SFF-8011 Rev 1.1, September 18,...
  • Page 32 Medalist 630xe and 850xe ATA Product Manual, June 1996 Parameters used Command Command name code (in hex) FR SC SN CY DH Active and Set Idle Timer Active Immediate Check Idle Mode Check Power Mode 98, E5 Execute Drive Diagnostics...

  • Page 33: Identify Drive Command (Ec H )

    The parameters for the drives are listed in the table below. For a complete description of the Identify Drive command, see the Seagate ATA Interface Reference Manual , publication number 36111- xxx .
  • Page 34 Medalist 630xe and 850xe ATA Product Manual, June 1996 continued from previous page Word Description Value Maximum sectors per 0010 interrupt on read/write multiple Double word I/O 0000 Not supported Capabilities 0B00 DMA, IORDY and LBA supported Reserved 0000 PIO timing mode...

  • Page 35: Format Track Command (50 H )

    Medalist 630xe and 850xe ATA Product Manual, June 1996 Word Description Value Advanced PIO ST3630A 0001 Mode 3 is supported ST3850A 0003H Modes 3 and 4 are supported Minimum multiword ST3630A = 150 nsec DMA transfer per word ST3850A = 120 nsec...

  • Page 36: Set Features Command (Ef H )

    Medalist 630xe and 850xe ATA Product Manual, June 1996 3.3.3 Set Features command (EF The host uses the Set Features command (EF ) to establish parameters that affect the execution of certain drive features. To use the command: 1. Write the Feature value to the Features register.
  • Page 37 Medalist 630xe and 850xe ATA Product Manual, June 1996 3.3.3.1 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.

  • Page 38: Set Multiple Mode Command (C6 H )

    Medalist 630xe and 850xe ATA Product Manual, June 1996 If the drive receives a Set Features command with a Mechanism and mode value of 00000 001 and the drive supports disabling of IORDY, then the drive sets its default PIO transfer mode and disables IORDY.

  • Page 39: Write Multiple Command (C5 H )

    Medalist 630xe and 850xe ATA Product Manual, June 1996 divisible by the block count, as many full blocks as possible are trans- ferred followed by the final, partial block. The partial block transfer is for n sectors, where n = remainder (sector count / block count)

  • Page 40: Onboard Drive Diagnostics

    Medalist 630xe and 850xe ATA Product Manual, June 1996 command ends with the sector in error, even if it was in the middle of a block. Subsequent blocks are not transferred in the event of an error. Interrupts are generated when DRQ is set at the beginning of each block or partial block.

  • Page 41: Supported Bios

    Medalist 630xe and 850xe ATA Product Manual, June 1996 3.6 Supported BIOS The drive uses 16 bytes of ECC with Read Long and Write Long commands. If the computer BIOS expects less than 16 bytes, some drive diagnostics may return false failures (typically time-out errors). If so, you must reconfigure the computer to receive 4 bytes of ECC.
  • Page 44 Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, California 95066, USA Publication Number: 39301-201, June 1996, Printed in USA...

This manual is also suitable for:

Medalist 850xe

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