Seagate MARATHON 810 Product Manual
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Seagate MARATHON 810 Product Manual

Seagate MARATHON 810 Product Manual

Ata interface drive
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Marathon 810
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ATA Interface Drive
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Summary of Contents for Seagate MARATHON 810

  • Page 1 ..Marathon 810 ........
  • Page 3 ..Marathon 810 (ST9816AG) ........
  • Page 4 Seagate, Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology, Inc. SafeRite and Marathon are trademarks of Seagate Technology, Inc. Other product names are reg- istered trademarks or trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications.

  • Page 5: Table Of Contents

    Marathon 810 (ST9816AG) Product Manual, August 1995 Contents Introduction ......1 Specification summary table ....2 1.0 Drive specifications .
  • Page 6 Marathon 810 (ST9816AG) Product Manual, August 1995 1.11.2 FCC verification ....13 2.0 Drive mounting and configuration ....15 2.1 Handling and static-discharge precautions .
  • Page 7 Marathon 810 (ST9816AG) Product Manual, August 1995 Figures Figure 1. Typical startup and operation current profile for the ST9816AG ..... . 8 Figure 2.

  • Page 9: Introduction

    Marathon 810 (ST9816AG) Product Manual, August 1995 Introduction The Marathon 810 (ST9816AG) provides high storage capacity in a small, low-profile hard disc drive. Key features: SafeRite shock protection Low power consumption Compact, MCC-compatible form-factor Quiet operation Advanced partial-response, maximum-likelihood (PRML) read channel Supports logical block addressing Supports PIO modes 0, 1, 2, 3 and 4, and DMA modes 0, 1 and 2.

  • Page 10: Specification Summary Table

    Marathon 810 (ST9816AG) Product Manual, August 1995 Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual. Drive Specification ST9816AG Guaranteed Capacity ( 10...
  • Page 11 Marathon 810 (ST9816AG) Product Manual, August 1995 Drive Specification ST9816AG Average latency (msec) 6.67 Power-on to ready (seconds, typical) Standby to ready (seconds, typical) Spinup power and current (typical) 3.50 watts, 0.700 amps Seek power and current (typical) 2.10 watts, 0.420 amps Read/Write power and current (typical) 2.10 watts, 0.420 amps...

  • Page 13: Drive Specifications

    Marathon 810 (ST9816AG) Product Manual, August 1995 1.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, at sea level, and nominal power. 1.1 Formatted capacity ST9816AG Guaranteed Mbytes 810.7 (1 Mbyte = 10 bytes)

  • Page 14: Recording And Interface Technology

    Marathon 810 (ST9816AG) Product Manual, August 1995 1.3 Recording and interface technology Interface Recording method RLL (1,7) Recording density (bits/inch) 90,000 Flux density (flux change/inch) 67,500 Track density (tracks/inch) 3,807 Areal density (Mbits/inch Spindle speed (RPM) 4,500 0.5%) Internal data-transfer rate (Mbits per sec max—ZBR)

  • Page 15: Seek Time

    Marathon 810 (ST9816AG) Product Manual, August 1995 1.5 Seek time All seek times are measured using a 25 MHz 486 AT computer (or faster) with a 8.3 MHz I/O bus. The measurements are taken with nominal power at sea level and 25°C ambient temperature. The specifications in the...

  • Page 16: Figure 1. Typical Startup And Operation Current Profile For The St9816Ag

    Marathon 810 (ST9816AG) Product Manual, August 1995 level. Active mode current and power are measured with a 32-msec delay between each operation and the drive in default logical geometry. Seeking power and currents are measured during one-third-stroke buff- ered seeks. Read/Write power and current are measured with the heads on track, based on a 16-sector write followed by a 32-msec delay, then a 16-sector read followed by a 32-msec delay.

  • Page 17: Power Recovery

    Marathon 810 (ST9816AG) Product Manual, August 1995 1.7.2 Power recovery Except during execution of a write command, the drive’s power can be interrupted without adversely affecting the drive or previously written data. If power is removed while the drive is performing a write operation, the integrity of the data being written cannot be guaranteed.

  • Page 18: Environmental Tolerances

    Marathon 810 (ST9816AG) Product Manual, August 1995 is system-dependent and is usually established using the system setup utility. In Standby mode, the buffer remains enabled, the heads are parked and the spindle is at rest. The drive accepts all commands and returns to Active mode any time disc access is necessary.

  • Page 19: Altitude

    Marathon 810 (ST9816AG) Product Manual, August 1995 1.8.4 Altitude Operating –300 m to 3,040 m (–1,000 ft to 10,000 ft) Nonoperating –300 m to 12,190 m (–1,000 ft to 40,000 ft) 1.8.5 Shock All shock specifications assume that the drive is mounted in an approved orientation with the input levels at the drive mounting screws.

  • Page 20: Drive Acoustics

    Marathon 810 (ST9816AG) Product Manual, August 1995 1.8.6.2 Nonoperating vibration The following table lists the maximum nonoperating vibration that the drive may experience without incurring physical damage or degradation in performance when put into operation. 5–22 Hz 0.162-inch displacement (double amplitude) 22–450 Hz...

  • Page 21: Agency Certification

    Communications Commission authorization, verification or certification of the device is required. Seagate Technology, Inc. has tested this device in enclosures as de- scribed 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 22 Marathon 810 (ST9816AG) Product Manual, August 1995 Commission: How to Identify and Resolve Radio-Television Interference Problems . This booklet is available from the Superintendent of Docu- ments, US Government Printing Office, Washington, DC 20402. Refer to publication number 004-000-00345-4.

  • Page 23: Drive Mounting And Configuration

    Marathon 810 (ST9816AG) Product Manual, August 1995 2.0 Drive mounting and configuration 2.1 Handling and static-discharge precautions After unpacking, and before installation, the drive may be exposed to potential handling and ESD hazards. It is mandatory that you observe standard static-discharge precautions. A grounded wrist-strap is pre- ferred.

  • Page 24: Figure 2. Connector And Master/Slave Jumper Setup For The St9816Ag

    Marathon 810 (ST9816AG) Product Manual, August 1995 Note. Drive is shown with circuit board up. Master/slave Pin 1 configuration jumpers Pin 20 removed for keying Circuit board Drive is master; slave may be detected using DASP– signal Drive is master; Seagate slave drive present Drive is slave;...

  • Page 25: Remote Led Configuration

    Marathon 810 (ST9816AG) Product Manual, August 1995 Jumper Jumper for pins for pins A and B C and D Configuration Removed Removed Drive is master; slave drive may be detected using DASP– signal. CSEL is ignored. Removed Installed Drive is master; slave drive is present. CSEL is ignored.

  • Page 26: Figure 3. Mounting Dimensions For The St9816Ag

    Marathon 810 (ST9816AG) Product Manual, August 1995 Dimensions are in inches (mm) 0.747 ± 0.007 (18.97 ± 0.18) 4.010 (101.85) max. (head/disc assembly) 0.118 ± 0.010 (3.00 ± 0.25) 0.000 0.152 ± 0.005 4X 3 mm × 0.5 mm (3.86 ± 0.13) ×...

  • Page 27: Ata Interface Connector

    Marathon 810 (ST9816AG) Product Manual, August 1995 2.5 ATA interface connector The drive connector is a 44-conductor connector with 2 rows of 22 male pins on 0.079-inch (2-mm) centers (see Figures 4 and 5). The mating cable connector is a 44-conductor, nonshielded connector with 2 rows of 22 female contacts on 0.079-inch (2-mm) centers.

  • Page 29: Ata Interface

    Marathon 810 (ST9816AG) Product Manual, August 1995 3.0 ATA interface The ST9816AG uses the industry-standard ATA interface. It supports both 8-bit and 16-bit data transfers. It supports ATA programmed in- put/output (PIO) modes 0, 1, 2, 3 and 4, ATA single-word DMA modes 0, 1 and 2, and ATA multiword DMA modes 0, 1 and 2.

  • Page 30: Figure 5. I/O Pins And Associated Ata Signals Supported By The St9816Ag

    Marathon 810 (ST9816AG) Product Manual, August 1995 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 Host Data Bus Bit 9...

  • Page 31: Ata Interface Commands

    Marathon 810 (ST9816AG) Product Manual, August 1995 3.2 ATA Interface commands 3.2.1 Supported ATA commands The following table lists ATA-standard and Seagate-specific drive com- mands that the ST9816AG supports. For a detailed description of the ATA commands, refer to the Draft Proposed ATA-2 Standard.
  • Page 32 Marathon 810 (ST9816AG) Product Manual, August 1995 Command Supported by Command name code ST9816AG Write DMA (w/retry) Write DMA (no retry) Write Long (w/retry) Write Long (no retry) Write Multiple Write Same Write Sectors (w/retry) Write Sectors (no retry) Write Verify...

  • Page 33: Identify Drive Command

    Marathon 810 (ST9816AG) Product Manual, August 1995 The following commands contain drive-specific features or are not de- scribed in the Draft Proposed ATA-2 Standard. 3.2.2 Identify Drive command The Identify Drive command (command code EC ) transfers information about the drive to the host after power up. The data is organized as a single 512-byte block of data, whose contents are shown in the table below.
  • Page 34 Marathon 810 (ST9816AG) Product Manual, August 1995 Word Description ST9816AG Drive model number: (40 ASCII characters, 27–46 padded with blanks to end of string) ST9816AG Maximum sectors per interrupt on read/write 0010 multiple Double word I/O (not supported) 0000 Standby timer (ATA compliant), IORDY...
  • Page 35 Marathon 810 (ST9816AG) Product Manual, August 1995 Word Description ST9816AG Minimum PIO cycle time without IORDY flow 016B control (363 nsec) Minimum PIO cycle time with IORDY flow 0078 control (120 nsec) 69–127 ATA reserved 0000 128–159 Seagate reserved xxxx 160–255 ATA reserved...

  • Page 36: Set Features Command

    Marathon 810 (ST9816AG) Product Manual, August 1995 3.2.3 Set Features command This command controls the implementation of various features that the drive supports. When the drive receives this command, it sets BSY, checks the contents of the Features register, clears BSY and generates an interrupt.

  • Page 37: Appendix. Compatibility Notes

    Marathon 810 (ST9816AG) Product Manual, August 1995 Appendix. Compatibility notes ECC testing When an ST9816AG performs hardware-based ECC error correction on-the-fly, the drive does not report an ECC error. This allows ECC correction without degrading drive performance. Some older drive diag- nostic programs test ECC features by creating small data errors and then checking to see if they are reported.
  • Page 38 Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, California 95066, USA Publication Number: 36300-101, August 1995, Printed in USA...

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